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-rw-r--r--fs/nfs/Kconfig16
-rw-r--r--fs/nfs/blocklayout/blocklayout.c59
-rw-r--r--fs/nfs/blocklayout/blocklayout.h4
-rw-r--r--fs/nfs/blocklayout/blocklayoutdev.c35
-rw-r--r--fs/nfs/callback.c4
-rw-r--r--fs/nfs/callback.h2
-rw-r--r--fs/nfs/callback_proc.c25
-rw-r--r--fs/nfs/callback_xdr.c24
-rw-r--r--fs/nfs/client.c11
-rw-r--r--fs/nfs/delegation.c2
-rw-r--r--fs/nfs/fscache-index.c4
-rw-r--r--fs/nfs/idmap.c25
-rw-r--r--fs/nfs/inode.c16
-rw-r--r--fs/nfs/internal.h10
-rw-r--r--fs/nfs/nfs4_fs.h32
-rw-r--r--fs/nfs/nfs4filelayout.c33
-rw-r--r--fs/nfs/nfs4proc.c113
-rw-r--r--fs/nfs/nfs4renewd.c12
-rw-r--r--fs/nfs/nfs4state.c6
-rw-r--r--fs/nfs/objlayout/objio_osd.c28
-rw-r--r--fs/nfs/objlayout/pnfs_osd_xdr_cli.c3
-rw-r--r--fs/nfs/pnfs.c52
-rw-r--r--fs/nfs/pnfs.h5
-rw-r--r--fs/nfs/read.c40
-rw-r--r--fs/nfs/super.c42
-rw-r--r--fs/nfs/unlink.c4
-rw-r--r--fs/nfs/write.c75
27 files changed, 312 insertions, 370 deletions
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index be020771c6b4..dbcd82126aed 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -79,12 +79,9 @@ config NFS_V4_1
depends on NFS_FS && NFS_V4 && EXPERIMENTAL
select SUNRPC_BACKCHANNEL
select PNFS_FILE_LAYOUT
- select PNFS_BLOCK
- select MD
- select BLK_DEV_DM
help
This option enables support for minor version 1 of the NFSv4 protocol
- (RFC 5661 and RFC 5663) in the kernel's NFS client.
+ (RFC 5661) in the kernel's NFS client.
If unsure, say N.
@@ -93,16 +90,13 @@ config PNFS_FILE_LAYOUT
config PNFS_BLOCK
tristate
+ depends on NFS_FS && NFS_V4_1 && BLK_DEV_DM
+ default m
config PNFS_OBJLAYOUT
- tristate "Provide support for the pNFS Objects Layout Driver for NFSv4.1 pNFS (EXPERIMENTAL)"
+ tristate
depends on NFS_FS && NFS_V4_1 && SCSI_OSD_ULD
- help
- Say M here if you want your pNFS client to support the Objects Layout Driver.
- Requires the SCSI osd initiator library (SCSI_OSD_INITIATOR) and
- upper level driver (SCSI_OSD_ULD).
-
- If unsure, say N.
+ default m
config ROOT_NFS
bool "Root file system on NFS"
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index e56564d2ef95..281ae95932c9 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -36,6 +36,7 @@
#include <linux/namei.h>
#include <linux/bio.h> /* struct bio */
#include <linux/buffer_head.h> /* various write calls */
+#include <linux/prefetch.h>
#include "blocklayout.h"
@@ -175,17 +176,6 @@ retry:
return bio;
}
-static void bl_set_lo_fail(struct pnfs_layout_segment *lseg)
-{
- if (lseg->pls_range.iomode == IOMODE_RW) {
- dprintk("%s Setting layout IOMODE_RW fail bit\n", __func__);
- set_bit(lo_fail_bit(IOMODE_RW), &lseg->pls_layout->plh_flags);
- } else {
- dprintk("%s Setting layout IOMODE_READ fail bit\n", __func__);
- set_bit(lo_fail_bit(IOMODE_READ), &lseg->pls_layout->plh_flags);
- }
-}
-
/* This is basically copied from mpage_end_io_read */
static void bl_end_io_read(struct bio *bio, int err)
{
@@ -205,7 +195,7 @@ static void bl_end_io_read(struct bio *bio, int err)
if (!uptodate) {
if (!rdata->pnfs_error)
rdata->pnfs_error = -EIO;
- bl_set_lo_fail(rdata->lseg);
+ pnfs_set_lo_fail(rdata->lseg);
}
bio_put(bio);
put_parallel(par);
@@ -302,6 +292,7 @@ bl_read_pagelist(struct nfs_read_data *rdata)
bl_end_io_read, par);
if (IS_ERR(bio)) {
rdata->pnfs_error = PTR_ERR(bio);
+ bio = NULL;
goto out;
}
}
@@ -369,7 +360,7 @@ static void bl_end_io_write_zero(struct bio *bio, int err)
if (!uptodate) {
if (!wdata->pnfs_error)
wdata->pnfs_error = -EIO;
- bl_set_lo_fail(wdata->lseg);
+ pnfs_set_lo_fail(wdata->lseg);
}
bio_put(bio);
put_parallel(par);
@@ -385,7 +376,7 @@ static void bl_end_io_write(struct bio *bio, int err)
if (!uptodate) {
if (!wdata->pnfs_error)
wdata->pnfs_error = -EIO;
- bl_set_lo_fail(wdata->lseg);
+ pnfs_set_lo_fail(wdata->lseg);
}
bio_put(bio);
put_parallel(par);
@@ -542,6 +533,11 @@ bl_write_pagelist(struct nfs_write_data *wdata, int sync)
fill_invalid_ext:
dprintk("%s need to zero %d pages\n", __func__, npg_zero);
for (;npg_zero > 0; npg_zero--) {
+ if (bl_is_sector_init(be->be_inval, isect)) {
+ dprintk("isect %llu already init\n",
+ (unsigned long long)isect);
+ goto next_page;
+ }
/* page ref released in bl_end_io_write_zero */
index = isect >> PAGE_CACHE_SECTOR_SHIFT;
dprintk("%s zero %dth page: index %lu isect %llu\n",
@@ -561,8 +557,7 @@ fill_invalid_ext:
* PageUptodate: It was read before
* sector_initialized: already written out
*/
- if (PageDirty(page) || PageWriteback(page) ||
- bl_is_sector_init(be->be_inval, isect)) {
+ if (PageDirty(page) || PageWriteback(page)) {
print_page(page);
unlock_page(page);
page_cache_release(page);
@@ -591,6 +586,7 @@ fill_invalid_ext:
bl_end_io_write_zero, par);
if (IS_ERR(bio)) {
wdata->pnfs_error = PTR_ERR(bio);
+ bio = NULL;
goto out;
}
/* FIXME: This should be done in bi_end_io */
@@ -639,6 +635,7 @@ next_page:
bl_end_io_write, par);
if (IS_ERR(bio)) {
wdata->pnfs_error = PTR_ERR(bio);
+ bio = NULL;
goto out;
}
isect += PAGE_CACHE_SECTORS;
@@ -804,7 +801,7 @@ nfs4_blk_get_deviceinfo(struct nfs_server *server, const struct nfs_fh *fh,
struct nfs4_deviceid *d_id)
{
struct pnfs_device *dev;
- struct pnfs_block_dev *rv = NULL;
+ struct pnfs_block_dev *rv;
u32 max_resp_sz;
int max_pages;
struct page **pages = NULL;
@@ -822,18 +819,20 @@ nfs4_blk_get_deviceinfo(struct nfs_server *server, const struct nfs_fh *fh,
dev = kmalloc(sizeof(*dev), GFP_NOFS);
if (!dev) {
dprintk("%s kmalloc failed\n", __func__);
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
pages = kzalloc(max_pages * sizeof(struct page *), GFP_NOFS);
if (pages == NULL) {
kfree(dev);
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
for (i = 0; i < max_pages; i++) {
pages[i] = alloc_page(GFP_NOFS);
- if (!pages[i])
+ if (!pages[i]) {
+ rv = ERR_PTR(-ENOMEM);
goto out_free;
+ }
}
memcpy(&dev->dev_id, d_id, sizeof(*d_id));
@@ -846,8 +845,10 @@ nfs4_blk_get_deviceinfo(struct nfs_server *server, const struct nfs_fh *fh,
dprintk("%s: dev_id: %s\n", __func__, dev->dev_id.data);
rc = nfs4_proc_getdeviceinfo(server, dev);
dprintk("%s getdevice info returns %d\n", __func__, rc);
- if (rc)
+ if (rc) {
+ rv = ERR_PTR(rc);
goto out_free;
+ }
rv = nfs4_blk_decode_device(server, dev);
out_free:
@@ -865,7 +866,7 @@ bl_set_layoutdriver(struct nfs_server *server, const struct nfs_fh *fh)
struct pnfs_devicelist *dlist = NULL;
struct pnfs_block_dev *bdev;
LIST_HEAD(block_disklist);
- int status = 0, i;
+ int status, i;
dprintk("%s enter\n", __func__);
@@ -897,8 +898,8 @@ bl_set_layoutdriver(struct nfs_server *server, const struct nfs_fh *fh)
for (i = 0; i < dlist->num_devs; i++) {
bdev = nfs4_blk_get_deviceinfo(server, fh,
&dlist->dev_id[i]);
- if (!bdev) {
- status = -ENODEV;
+ if (IS_ERR(bdev)) {
+ status = PTR_ERR(bdev);
goto out_error;
}
spin_lock(&b_mt_id->bm_lock);
@@ -959,7 +960,7 @@ static struct pnfs_layoutdriver_type blocklayout_type = {
};
static const struct rpc_pipe_ops bl_upcall_ops = {
- .upcall = bl_pipe_upcall,
+ .upcall = rpc_pipe_generic_upcall,
.downcall = bl_pipe_downcall,
.destroy_msg = bl_pipe_destroy_msg,
};
@@ -988,17 +989,20 @@ static int __init nfs4blocklayout_init(void)
mnt,
NFS_PIPE_DIRNAME, 0, &path);
if (ret)
- goto out_remove;
+ goto out_putrpc;
bl_device_pipe = rpc_mkpipe(path.dentry, "blocklayout", NULL,
&bl_upcall_ops, 0);
+ path_put(&path);
if (IS_ERR(bl_device_pipe)) {
ret = PTR_ERR(bl_device_pipe);
- goto out_remove;
+ goto out_putrpc;
}
out:
return ret;
+out_putrpc:
+ rpc_put_mount();
out_remove:
pnfs_unregister_layoutdriver(&blocklayout_type);
return ret;
@@ -1011,6 +1015,7 @@ static void __exit nfs4blocklayout_exit(void)
pnfs_unregister_layoutdriver(&blocklayout_type);
rpc_unlink(bl_device_pipe);
+ rpc_put_mount();
}
MODULE_ALIAS("nfs-layouttype4-3");
diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h
index f27d827960a3..42acf7ef5992 100644
--- a/fs/nfs/blocklayout/blocklayout.h
+++ b/fs/nfs/blocklayout/blocklayout.h
@@ -150,7 +150,7 @@ BLK_LSEG2EXT(struct pnfs_layout_segment *lseg)
}
struct bl_dev_msg {
- int status;
+ int32_t status;
uint32_t major, minor;
};
@@ -169,8 +169,6 @@ extern wait_queue_head_t bl_wq;
#define BL_DEVICE_REQUEST_ERR 0x2 /* User level process fails */
/* blocklayoutdev.c */
-ssize_t bl_pipe_upcall(struct file *, struct rpc_pipe_msg *,
- char __user *, size_t);
ssize_t bl_pipe_downcall(struct file *, const char __user *, size_t);
void bl_pipe_destroy_msg(struct rpc_pipe_msg *);
struct block_device *nfs4_blkdev_get(dev_t dev);
diff --git a/fs/nfs/blocklayout/blocklayoutdev.c b/fs/nfs/blocklayout/blocklayoutdev.c
index a83b393fb01c..d08ba9107fde 100644
--- a/fs/nfs/blocklayout/blocklayoutdev.c
+++ b/fs/nfs/blocklayout/blocklayoutdev.c
@@ -79,28 +79,6 @@ int nfs4_blkdev_put(struct block_device *bdev)
return blkdev_put(bdev, FMODE_READ);
}
-/*
- * Shouldn't there be a rpc_generic_upcall() to do this for us?
- */
-ssize_t bl_pipe_upcall(struct file *filp, struct rpc_pipe_msg *msg,
- char __user *dst, size_t buflen)
-{
- char *data = (char *)msg->data + msg->copied;
- size_t mlen = min(msg->len - msg->copied, buflen);
- unsigned long left;
-
- left = copy_to_user(dst, data, mlen);
- if (left == mlen) {
- msg->errno = -EFAULT;
- return -EFAULT;
- }
-
- mlen -= left;
- msg->copied += mlen;
- msg->errno = 0;
- return mlen;
-}
-
static struct bl_dev_msg bl_mount_reply;
ssize_t bl_pipe_downcall(struct file *filp, const char __user *src,
@@ -131,7 +109,7 @@ struct pnfs_block_dev *
nfs4_blk_decode_device(struct nfs_server *server,
struct pnfs_device *dev)
{
- struct pnfs_block_dev *rv = NULL;
+ struct pnfs_block_dev *rv;
struct block_device *bd = NULL;
struct rpc_pipe_msg msg;
struct bl_msg_hdr bl_msg = {
@@ -141,7 +119,7 @@ nfs4_blk_decode_device(struct nfs_server *server,
uint8_t *dataptr;
DECLARE_WAITQUEUE(wq, current);
struct bl_dev_msg *reply = &bl_mount_reply;
- int offset, len, i;
+ int offset, len, i, rc;
dprintk("%s CREATING PIPEFS MESSAGE\n", __func__);
dprintk("%s: deviceid: %s, mincount: %d\n", __func__, dev->dev_id.data,
@@ -168,8 +146,10 @@ nfs4_blk_decode_device(struct nfs_server *server,
dprintk("%s CALLING USERSPACE DAEMON\n", __func__);
add_wait_queue(&bl_wq, &wq);
- if (rpc_queue_upcall(bl_device_pipe->d_inode, &msg) < 0) {
+ rc = rpc_queue_upcall(bl_device_pipe->d_inode, &msg);
+ if (rc < 0) {
remove_wait_queue(&bl_wq, &wq);
+ rv = ERR_PTR(rc);
goto out;
}
@@ -187,8 +167,9 @@ nfs4_blk_decode_device(struct nfs_server *server,
bd = nfs4_blkdev_get(MKDEV(reply->major, reply->minor));
if (IS_ERR(bd)) {
- dprintk("%s failed to open device : %ld\n",
- __func__, PTR_ERR(bd));
+ rc = PTR_ERR(bd);
+ dprintk("%s failed to open device : %d\n", __func__, rc);
+ rv = ERR_PTR(rc);
goto out;
}
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index e3d294269058..516f3375e067 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -125,7 +125,7 @@ nfs4_callback_up(struct svc_serv *serv)
else
goto out_err;
- return svc_prepare_thread(serv, &serv->sv_pools[0]);
+ return svc_prepare_thread(serv, &serv->sv_pools[0], NUMA_NO_NODE);
out_err:
if (ret == 0)
@@ -199,7 +199,7 @@ nfs41_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt)
INIT_LIST_HEAD(&serv->sv_cb_list);
spin_lock_init(&serv->sv_cb_lock);
init_waitqueue_head(&serv->sv_cb_waitq);
- rqstp = svc_prepare_thread(serv, &serv->sv_pools[0]);
+ rqstp = svc_prepare_thread(serv, &serv->sv_pools[0], NUMA_NO_NODE);
if (IS_ERR(rqstp)) {
svc_xprt_put(serv->sv_bc_xprt);
serv->sv_bc_xprt = NULL;
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index b257383bb565..07df5f1d85e5 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -38,6 +38,7 @@ enum nfs4_callback_opnum {
struct cb_process_state {
__be32 drc_status;
struct nfs_client *clp;
+ int slotid;
};
struct cb_compound_hdr_arg {
@@ -166,7 +167,6 @@ extern unsigned nfs4_callback_layoutrecall(
void *dummy, struct cb_process_state *cps);
extern void nfs4_check_drain_bc_complete(struct nfs4_session *ses);
-extern void nfs4_cb_take_slot(struct nfs_client *clp);
struct cb_devicenotifyitem {
uint32_t cbd_notify_type;
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 74780f9f852c..43926add945b 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -348,7 +348,7 @@ validate_seqid(struct nfs4_slot_table *tbl, struct cb_sequenceargs * args)
/* Normal */
if (likely(args->csa_sequenceid == slot->seq_nr + 1)) {
slot->seq_nr++;
- return htonl(NFS4_OK);
+ goto out_ok;
}
/* Replay */
@@ -367,11 +367,14 @@ validate_seqid(struct nfs4_slot_table *tbl, struct cb_sequenceargs * args)
/* Wraparound */
if (args->csa_sequenceid == 1 && (slot->seq_nr + 1) == 0) {
slot->seq_nr = 1;
- return htonl(NFS4_OK);
+ goto out_ok;
}
/* Misordered request */
return htonl(NFS4ERR_SEQ_MISORDERED);
+out_ok:
+ tbl->highest_used_slotid = args->csa_slotid;
+ return htonl(NFS4_OK);
}
/*
@@ -433,26 +436,37 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
struct cb_sequenceres *res,
struct cb_process_state *cps)
{
+ struct nfs4_slot_table *tbl;
struct nfs_client *clp;
int i;
__be32 status = htonl(NFS4ERR_BADSESSION);
- cps->clp = NULL;
-
clp = nfs4_find_client_sessionid(args->csa_addr, &args->csa_sessionid);
if (clp == NULL)
goto out;
+ tbl = &clp->cl_session->bc_slot_table;
+
+ spin_lock(&tbl->slot_tbl_lock);
/* state manager is resetting the session */
if (test_bit(NFS4_SESSION_DRAINING, &clp->cl_session->session_state)) {
- status = NFS4ERR_DELAY;
+ spin_unlock(&tbl->slot_tbl_lock);
+ status = htonl(NFS4ERR_DELAY);
+ /* Return NFS4ERR_BADSESSION if we're draining the session
+ * in order to reset it.
+ */
+ if (test_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state))
+ status = htonl(NFS4ERR_BADSESSION);
goto out;
}
status = validate_seqid(&clp->cl_session->bc_slot_table, args);
+ spin_unlock(&tbl->slot_tbl_lock);
if (status)
goto out;
+ cps->slotid = args->csa_slotid;
+
/*
* Check for pending referring calls. If a match is found, a
* related callback was received before the response to the original
@@ -469,7 +483,6 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
res->csr_slotid = args->csa_slotid;
res->csr_highestslotid = NFS41_BC_MAX_CALLBACKS - 1;
res->csr_target_highestslotid = NFS41_BC_MAX_CALLBACKS - 1;
- nfs4_cb_take_slot(clp);
out:
cps->clp = clp; /* put in nfs4_callback_compound */
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index c6c86a77e043..918ad647afea 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -754,26 +754,15 @@ static void nfs4_callback_free_slot(struct nfs4_session *session)
* Let the state manager know callback processing done.
* A single slot, so highest used slotid is either 0 or -1
*/
- tbl->highest_used_slotid--;
+ tbl->highest_used_slotid = -1;
nfs4_check_drain_bc_complete(session);
spin_unlock(&tbl->slot_tbl_lock);
}
-static void nfs4_cb_free_slot(struct nfs_client *clp)
+static void nfs4_cb_free_slot(struct cb_process_state *cps)
{
- if (clp && clp->cl_session)
- nfs4_callback_free_slot(clp->cl_session);
-}
-
-/* A single slot, so highest used slotid is either 0 or -1 */
-void nfs4_cb_take_slot(struct nfs_client *clp)
-{
- struct nfs4_slot_table *tbl = &clp->cl_session->bc_slot_table;
-
- spin_lock(&tbl->slot_tbl_lock);
- tbl->highest_used_slotid++;
- BUG_ON(tbl->highest_used_slotid != 0);
- spin_unlock(&tbl->slot_tbl_lock);
+ if (cps->slotid != -1)
+ nfs4_callback_free_slot(cps->clp->cl_session);
}
#else /* CONFIG_NFS_V4_1 */
@@ -784,7 +773,7 @@ preprocess_nfs41_op(int nop, unsigned int op_nr, struct callback_op **op)
return htonl(NFS4ERR_MINOR_VERS_MISMATCH);
}
-static void nfs4_cb_free_slot(struct nfs_client *clp)
+static void nfs4_cb_free_slot(struct cb_process_state *cps)
{
}
#endif /* CONFIG_NFS_V4_1 */
@@ -866,6 +855,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
struct cb_process_state cps = {
.drc_status = 0,
.clp = NULL,
+ .slotid = -1,
};
unsigned int nops = 0;
@@ -906,7 +896,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
*hdr_res.status = status;
*hdr_res.nops = htonl(nops);
- nfs4_cb_free_slot(cps.clp);
+ nfs4_cb_free_slot(&cps);
nfs_put_client(cps.clp);
dprintk("%s: done, status = %u\n", __func__, ntohl(status));
return rpc_success;
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 5833fbbf59b0..873bf00d51a2 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -336,11 +336,12 @@ static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,
const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sa1;
const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sa2;
- if (ipv6_addr_scope(&sin1->sin6_addr) == IPV6_ADDR_SCOPE_LINKLOCAL &&
- sin1->sin6_scope_id != sin2->sin6_scope_id)
+ if (!ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr))
return 0;
+ else if (ipv6_addr_type(&sin1->sin6_addr) & IPV6_ADDR_LINKLOCAL)
+ return sin1->sin6_scope_id == sin2->sin6_scope_id;
- return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr);
+ return 1;
}
#else /* !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE) */
static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,
@@ -1867,6 +1868,10 @@ static int nfs_server_list_show(struct seq_file *m, void *v)
/* display one transport per line on subsequent lines */
clp = list_entry(v, struct nfs_client, cl_share_link);
+ /* Check if the client is initialized */
+ if (clp->cl_cons_state != NFS_CS_READY)
+ return 0;
+
seq_printf(m, "v%u %s %s %3d %s\n",
clp->rpc_ops->version,
rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_HEX_ADDR),
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 321a66bc3846..7f2654069806 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -240,7 +240,7 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
sizeof(delegation->stateid.data));
delegation->type = res->delegation_type;
delegation->maxsize = res->maxsize;
- delegation->change_attr = nfsi->change_attr;
+ delegation->change_attr = inode->i_version;
delegation->cred = get_rpccred(cred);
delegation->inode = inode;
delegation->flags = 1<<NFS_DELEGATION_REFERENCED;
diff --git a/fs/nfs/fscache-index.c b/fs/nfs/fscache-index.c
index 5b1006480bc2..7cf2c4699b08 100644
--- a/fs/nfs/fscache-index.c
+++ b/fs/nfs/fscache-index.c
@@ -212,7 +212,7 @@ static uint16_t nfs_fscache_inode_get_aux(const void *cookie_netfs_data,
auxdata.ctime = nfsi->vfs_inode.i_ctime;
if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
- auxdata.change_attr = nfsi->change_attr;
+ auxdata.change_attr = nfsi->vfs_inode.i_version;
if (bufmax > sizeof(auxdata))
bufmax = sizeof(auxdata);
@@ -244,7 +244,7 @@ enum fscache_checkaux nfs_fscache_inode_check_aux(void *cookie_netfs_data,
auxdata.ctime = nfsi->vfs_inode.i_ctime;
if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
- auxdata.change_attr = nfsi->change_attr;
+ auxdata.change_attr = nfsi->vfs_inode.i_version;
if (memcmp(data, &auxdata, datalen) != 0)
return FSCACHE_CHECKAUX_OBSOLETE;
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index f20801ae0a16..47d1c6ff2d8e 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -336,8 +336,6 @@ struct idmap {
struct idmap_hashtable idmap_group_hash;
};
-static ssize_t idmap_pipe_upcall(struct file *, struct rpc_pipe_msg *,
- char __user *, size_t);
static ssize_t idmap_pipe_downcall(struct file *, const char __user *,
size_t);
static void idmap_pipe_destroy_msg(struct rpc_pipe_msg *);
@@ -345,7 +343,7 @@ static void idmap_pipe_destroy_msg(struct rpc_pipe_msg *);
static unsigned int fnvhash32(const void *, size_t);
static const struct rpc_pipe_ops idmap_upcall_ops = {
- .upcall = idmap_pipe_upcall,
+ .upcall = rpc_pipe_generic_upcall,
.downcall = idmap_pipe_downcall,
.destroy_msg = idmap_pipe_destroy_msg,
};
@@ -595,27 +593,6 @@ nfs_idmap_name(struct idmap *idmap, struct idmap_hashtable *h,
return ret;
}
-/* RPC pipefs upcall/downcall routines */
-static ssize_t
-idmap_pipe_upcall(struct file *filp, struct rpc_pipe_msg *msg,
- char __user *dst, size_t buflen)
-{
- char *data = (char *)msg->data + msg->copied;
- size_t mlen = min(msg->len, buflen);
- unsigned long left;
-
- left = copy_to_user(dst, data, mlen);
- if (left == mlen) {
- msg->errno = -EFAULT;
- return -EFAULT;
- }
-
- mlen -= left;
- msg->copied += mlen;
- msg->errno = 0;
- return mlen;
-}
-
static ssize_t
idmap_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
{
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index fe1203797b2b..4dc6d078f108 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -318,7 +318,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
memset(&inode->i_atime, 0, sizeof(inode->i_atime));
memset(&inode->i_mtime, 0, sizeof(inode->i_mtime));
memset(&inode->i_ctime, 0, sizeof(inode->i_ctime));
- nfsi->change_attr = 0;
+ inode->i_version = 0;
inode->i_size = 0;
inode->i_nlink = 0;
inode->i_uid = -2;
@@ -344,7 +344,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
| NFS_INO_INVALID_ACCESS
| NFS_INO_INVALID_ACL;
if (fattr->valid & NFS_ATTR_FATTR_CHANGE)
- nfsi->change_attr = fattr->change_attr;
+ inode->i_version = fattr->change_attr;
else if (nfs_server_capable(inode, NFS_CAP_CHANGE_ATTR))
nfsi->cache_validity |= NFS_INO_INVALID_ATTR
| NFS_INO_INVALID_DATA;
@@ -897,8 +897,8 @@ static unsigned long nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr
if ((fattr->valid & NFS_ATTR_FATTR_PRECHANGE)
&& (fattr->valid & NFS_ATTR_FATTR_CHANGE)
- && nfsi->change_attr == fattr->pre_change_attr) {
- nfsi->change_attr = fattr->change_attr;
+ && inode->i_version == fattr->pre_change_attr) {
+ inode->i_version = fattr->change_attr;
if (S_ISDIR(inode->i_mode))
nfsi->cache_validity |= NFS_INO_INVALID_DATA;
ret |= NFS_INO_INVALID_ATTR;
@@ -952,7 +952,7 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
return -EIO;
if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) != 0 &&
- nfsi->change_attr != fattr->change_attr)
+ inode->i_version != fattr->change_attr)
invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
/* Verify a few of the more important attributes */
@@ -1163,7 +1163,7 @@ int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fa
}
if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) != 0 &&
(fattr->valid & NFS_ATTR_FATTR_PRECHANGE) == 0) {
- fattr->pre_change_attr = NFS_I(inode)->change_attr;
+ fattr->pre_change_attr = inode->i_version;
fattr->valid |= NFS_ATTR_FATTR_PRECHANGE;
}
if ((fattr->valid & NFS_ATTR_FATTR_CTIME) != 0 &&
@@ -1244,13 +1244,13 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
/* More cache consistency checks */
if (fattr->valid & NFS_ATTR_FATTR_CHANGE) {
- if (nfsi->change_attr != fattr->change_attr) {
+ if (inode->i_version != fattr->change_attr) {
dprintk("NFS: change_attr change on server for file %s/%ld\n",
inode->i_sb->s_id, inode->i_ino);
invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
if (S_ISDIR(inode->i_mode))
nfs_force_lookup_revalidate(inode);
- nfsi->change_attr = fattr->change_attr;
+ inode->i_version = fattr->change_attr;
}
} else if (server->caps & NFS_CAP_CHANGE_ATTR)
invalid |= save_cache_validity;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index ab12913dd473..c1a1bd8ddf1c 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -457,13 +457,3 @@ unsigned int nfs_page_array_len(unsigned int base, size_t len)
PAGE_SIZE - 1) >> PAGE_SHIFT;
}
-/*
- * Helper for restarting RPC calls in the possible presence of NFSv4.1
- * sessions.
- */
-static inline int nfs_restart_rpc(struct rpc_task *task, const struct nfs_client *clp)
-{
- if (nfs4_has_session(clp))
- return rpc_restart_call_prepare(task);
- return rpc_restart_call(task);
-}
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 1ec1a85fa71c..693ae22f8731 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -13,30 +13,6 @@
struct idmap;
-/*
- * In a seqid-mutating op, this macro controls which error return
- * values trigger incrementation of the seqid.
- *
- * from rfc 3010:
- * The client MUST monotonically increment the sequence number for the
- * CLOSE, LOCK, LOCKU, OPEN, OPEN_CONFIRM, and OPEN_DOWNGRADE
- * operations. This is true even in the event that the previous
- * operation that used the sequence number received an error. The only
- * exception to this rule is if the previous operation received one of
- * the following errors: NFSERR_STALE_CLIENTID, NFSERR_STALE_STATEID,
- * NFSERR_BAD_STATEID, NFSERR_BAD_SEQID, NFSERR_BADXDR,
- * NFSERR_RESOURCE, NFSERR_NOFILEHANDLE.
- *
- */
-#define seqid_mutating_err(err) \
-(((err) != NFSERR_STALE_CLIENTID) && \
- ((err) != NFSERR_STALE_STATEID) && \
- ((err) != NFSERR_BAD_STATEID) && \
- ((err) != NFSERR_BAD_SEQID) && \
- ((err) != NFSERR_BAD_XDR) && \
- ((err) != NFSERR_RESOURCE) && \
- ((err) != NFSERR_NOFILEHANDLE))
-
enum nfs4_client_state {
NFS4CLNT_MANAGER_RUNNING = 0,
NFS4CLNT_CHECK_LEASE,
@@ -56,6 +32,9 @@ enum nfs4_session_state {
NFS4_SESSION_DRAINING,
};
+#define NFS4_RENEW_TIMEOUT 0x01
+#define NFS4_RENEW_DELEGATION_CB 0x02
+
struct nfs4_minor_version_ops {
u32 minor_version;
@@ -225,7 +204,7 @@ struct nfs4_state_recovery_ops {
};
struct nfs4_state_maintenance_ops {
- int (*sched_state_renewal)(struct nfs_client *, struct rpc_cred *);
+ int (*sched_state_renewal)(struct nfs_client *, struct rpc_cred *, unsigned);
struct rpc_cred * (*get_state_renewal_cred_locked)(struct nfs_client *);
int (*renew_lease)(struct nfs_client *, struct rpc_cred *);
};
@@ -237,8 +216,6 @@ extern const struct inode_operations nfs4_dir_inode_operations;
extern int nfs4_proc_setclientid(struct nfs_client *, u32, unsigned short, struct rpc_cred *, struct nfs4_setclientid_res *);
extern int nfs4_proc_setclientid_confirm(struct nfs_client *, struct nfs4_setclientid_res *arg, struct rpc_cred *);
extern int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred);
-extern int nfs4_proc_async_renew(struct nfs_client *, struct rpc_cred *);
-extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *);
extern int nfs4_init_clientid(struct nfs_client *, struct rpc_cred *);
extern int nfs41_init_clientid(struct nfs_client *, struct rpc_cred *);
extern int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc);
@@ -349,6 +326,7 @@ extern void nfs4_close_sync(struct nfs4_state *, fmode_t);
extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t);
extern void nfs4_schedule_lease_recovery(struct nfs_client *);
extern void nfs4_schedule_state_manager(struct nfs_client *);
+extern void nfs4_schedule_path_down_recovery(struct nfs_client *clp);
extern void nfs4_schedule_stateid_recovery(const struct nfs_server *, struct nfs4_state *);
extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags);
extern void nfs41_handle_recall_slot(struct nfs_client *clp);
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index e8915d4840ad..09119418402f 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -77,19 +77,6 @@ filelayout_get_dserver_offset(struct pnfs_layout_segment *lseg, loff_t offset)
BUG();
}
-/* For data server errors we don't recover from */
-static void
-filelayout_set_lo_fail(struct pnfs_layout_segment *lseg)
-{
- if (lseg->pls_range.iomode == IOMODE_RW) {
- dprintk("%s Setting layout IOMODE_RW fail bit\n", __func__);
- set_bit(lo_fail_bit(IOMODE_RW), &lseg->pls_layout->plh_flags);
- } else {
- dprintk("%s Setting layout IOMODE_READ fail bit\n", __func__);
- set_bit(lo_fail_bit(IOMODE_READ), &lseg->pls_layout->plh_flags);
- }
-}
-
static int filelayout_async_handle_error(struct rpc_task *task,
struct nfs4_state *state,
struct nfs_client *clp,
@@ -135,7 +122,6 @@ static int filelayout_async_handle_error(struct rpc_task *task,
static int filelayout_read_done_cb(struct rpc_task *task,
struct nfs_read_data *data)
{
- struct nfs_client *clp = data->ds_clp;
int reset = 0;
dprintk("%s DS read\n", __func__);
@@ -145,11 +131,10 @@ static int filelayout_read_done_cb(struct rpc_task *task,
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
- filelayout_set_lo_fail(data->lseg);
+ pnfs_set_lo_fail(data->lseg);
nfs4_reset_read(task, data);
- clp = NFS_SERVER(data->inode)->nfs_client;
}
- nfs_restart_rpc(task, clp);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
@@ -216,17 +201,13 @@ static int filelayout_write_done_cb(struct rpc_task *task,
if (filelayout_async_handle_error(task, data->args.context->state,
data->ds_clp, &reset) == -EAGAIN) {
- struct nfs_client *clp;
-
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
- filelayout_set_lo_fail(data->lseg);
+ pnfs_set_lo_fail(data->lseg);
nfs4_reset_write(task, data);
- clp = NFS_SERVER(data->inode)->nfs_client;
- } else
- clp = data->ds_clp;
- nfs_restart_rpc(task, clp);
+ }
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
@@ -256,9 +237,9 @@ static int filelayout_commit_done_cb(struct rpc_task *task,
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
prepare_to_resend_writes(data);
- filelayout_set_lo_fail(data->lseg);
+ pnfs_set_lo_fail(data->lseg);
} else
- nfs_restart_rpc(task, data->ds_clp);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 8c77039e7a81..d2ae413c986a 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -73,9 +73,6 @@ static int _nfs4_proc_open(struct nfs4_opendata *data);
static int _nfs4_recover_proc_open(struct nfs4_opendata *data);
static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *, struct nfs4_state *);
-static int _nfs4_proc_lookup(struct rpc_clnt *client, struct inode *dir,
- const struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr);
static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs_fattr *fattr, struct iattr *sattr,
@@ -753,9 +750,9 @@ static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo)
spin_lock(&dir->i_lock);
nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA;
- if (!cinfo->atomic || cinfo->before != nfsi->change_attr)
+ if (!cinfo->atomic || cinfo->before != dir->i_version)
nfs_force_lookup_revalidate(dir);
- nfsi->change_attr = cinfo->after;
+ dir->i_version = cinfo->after;
spin_unlock(&dir->i_lock);
}
@@ -1596,8 +1593,14 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
int status;
status = nfs4_run_open_task(data, 0);
- if (status != 0 || !data->rpc_done)
+ if (!data->rpc_done)
+ return status;
+ if (status != 0) {
+ if (status == -NFS4ERR_BADNAME &&
+ !(o_arg->open_flags & O_CREAT))
+ return -ENOENT;
return status;
+ }
if (o_arg->open_flags & O_CREAT) {
update_changeattr(dir, &o_res->cinfo);
@@ -2408,14 +2411,15 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
return status;
}
-static int _nfs4_proc_lookupfh(struct rpc_clnt *clnt, struct nfs_server *server,
- const struct nfs_fh *dirfh, const struct qstr *name,
- struct nfs_fh *fhandle, struct nfs_fattr *fattr)
+static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
+ const struct qstr *name, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr)
{
+ struct nfs_server *server = NFS_SERVER(dir);
int status;
struct nfs4_lookup_arg args = {
.bitmask = server->attr_bitmask,
- .dir_fh = dirfh,
+ .dir_fh = NFS_FH(dir),
.name = name,
};
struct nfs4_lookup_res res = {
@@ -2431,40 +2435,8 @@ static int _nfs4_proc_lookupfh(struct rpc_clnt *clnt, struct nfs_server *server,
nfs_fattr_init(fattr);
- dprintk("NFS call lookupfh %s\n", name->name);
- status = nfs4_call_sync(clnt, server, &msg, &args.seq_args, &res.seq_res, 0);
- dprintk("NFS reply lookupfh: %d\n", status);
- return status;
-}
-
-static int nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
- struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
-{
- struct nfs4_exception exception = { };
- int err;
- do {
- err = _nfs4_proc_lookupfh(server->client, server, dirfh, name, fhandle, fattr);
- /* FIXME: !!!! */
- if (err == -NFS4ERR_MOVED) {
- err = -EREMOTE;
- break;
- }
- err = nfs4_handle_exception(server, err, &exception);
- } while (exception.retry);
- return err;
-}
-
-static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
- const struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
-{
- int status;
-
dprintk("NFS call lookup %s\n", name->name);
- status = _nfs4_proc_lookupfh(clnt, NFS_SERVER(dir), NFS_FH(dir), name, fhandle, fattr);
- if (status == -NFS4ERR_MOVED)
- status = nfs4_get_referral(dir, name, fattr, fhandle);
+ status = nfs4_call_sync(clnt, server, &msg, &args.seq_args, &res.seq_res, 0);
dprintk("NFS reply lookup: %d\n", status);
return status;
}
@@ -2485,11 +2457,20 @@ static int nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qst
struct nfs4_exception exception = { };
int err;
do {
- err = nfs4_handle_exception(NFS_SERVER(dir),
- _nfs4_proc_lookup(clnt, dir, name, fhandle, fattr),
- &exception);
- if (err == -EPERM)
+ int status;
+
+ status = _nfs4_proc_lookup(clnt, dir, name, fhandle, fattr);
+ switch (status) {
+ case -NFS4ERR_BADNAME:
+ return -ENOENT;
+ case -NFS4ERR_MOVED:
+ err = nfs4_get_referral(dir, name, fattr, fhandle);
+ break;
+ case -NFS4ERR_WRONGSEC:
nfs_fixup_secinfo_attributes(fattr, fhandle);
+ }
+ err = nfs4_handle_exception(NFS_SERVER(dir),
+ status, &exception);
} while (exception.retry);
return err;
}
@@ -3210,7 +3191,7 @@ static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_read_data *data)
struct nfs_server *server = NFS_SERVER(data->inode);
if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
- nfs_restart_rpc(task, server->nfs_client);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
@@ -3260,7 +3241,7 @@ static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_write_data *data
struct inode *inode = data->inode;
if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
- nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
if (task->tk_status >= 0) {
@@ -3317,7 +3298,7 @@ static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_write_data *dat
struct inode *inode = data->inode;
if (nfs4_async_handle_error(task, NFS_SERVER(inode), NULL) == -EAGAIN) {
- nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
nfs_refresh_inode(inode, data->res.fattr);
@@ -3374,9 +3355,13 @@ static void nfs4_renew_done(struct rpc_task *task, void *calldata)
if (task->tk_status < 0) {
/* Unless we're shutting down, schedule state recovery! */
- if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) != 0)
+ if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) == 0)
+ return;
+ if (task->tk_status != NFS4ERR_CB_PATH_DOWN) {
nfs4_schedule_lease_recovery(clp);
- return;
+ return;
+ }
+ nfs4_schedule_path_down_recovery(clp);
}
do_renew_lease(clp, timestamp);
}
@@ -3386,7 +3371,7 @@ static const struct rpc_call_ops nfs4_renew_ops = {
.rpc_release = nfs4_renew_release,
};
-int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
+static int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred, unsigned renew_flags)
{
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW],
@@ -3395,9 +3380,11 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
};
struct nfs4_renewdata *data;
+ if (renew_flags == 0)
+ return 0;
if (!atomic_inc_not_zero(&clp->cl_count))
return -EIO;
- data = kmalloc(sizeof(*data), GFP_KERNEL);
+ data = kmalloc(sizeof(*data), GFP_NOFS);
if (data == NULL)
return -ENOMEM;
data->client = clp;
@@ -3406,7 +3393,7 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
&nfs4_renew_ops, data);
}
-int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
+static int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
{
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW],
@@ -3851,7 +3838,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
default:
if (nfs4_async_handle_error(task, data->res.server, NULL) ==
-EAGAIN) {
- nfs_restart_rpc(task, data->res.server->nfs_client);
+ rpc_restart_call_prepare(task);
return;
}
}
@@ -4105,8 +4092,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
break;
default:
if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
- nfs_restart_rpc(task,
- calldata->server->nfs_client);
+ rpc_restart_call_prepare(task);
}
}
@@ -4939,7 +4925,7 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata)
task->tk_status = 0;
/* fall through */
case -NFS4ERR_RETRY_UNCACHED_REP:
- nfs_restart_rpc(task, data->clp);
+ rpc_restart_call_prepare(task);
return;
}
dprintk("<-- %s\n", __func__);
@@ -5504,11 +5490,13 @@ static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_
return rpc_run_task(&task_setup_data);
}
-static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cred)
+static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cred, unsigned renew_flags)
{
struct rpc_task *task;
int ret = 0;
+ if ((renew_flags & NFS4_RENEW_TIMEOUT) == 0)
+ return 0;
task = _nfs41_proc_sequence(clp, cred);
if (IS_ERR(task))
ret = PTR_ERR(task);
@@ -5778,7 +5766,7 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata)
server = NFS_SERVER(lrp->args.inode);
if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
- nfs_restart_rpc(task, lrp->clp);
+ rpc_restart_call_prepare(task);
return;
}
spin_lock(&lo->plh_inode->i_lock);
@@ -5949,7 +5937,7 @@ nfs4_layoutcommit_done(struct rpc_task *task, void *calldata)
}
if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
- nfs_restart_rpc(task, server->nfs_client);
+ rpc_restart_call_prepare(task);
return;
}
@@ -6262,7 +6250,6 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
.getroot = nfs4_proc_get_root,
.getattr = nfs4_proc_getattr,
.setattr = nfs4_proc_setattr,
- .lookupfh = nfs4_proc_lookupfh,
.lookup = nfs4_proc_lookup,
.access = nfs4_proc_access,
.readlink = nfs4_proc_readlink,
diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c
index df8e7f3ca56d..dc484c0eae7f 100644
--- a/fs/nfs/nfs4renewd.c
+++ b/fs/nfs/nfs4renewd.c
@@ -60,6 +60,7 @@ nfs4_renew_state(struct work_struct *work)
struct rpc_cred *cred;
long lease;
unsigned long last, now;
+ unsigned renew_flags = 0;
ops = clp->cl_mvops->state_renewal_ops;
dprintk("%s: start\n", __func__);
@@ -72,18 +73,23 @@ nfs4_renew_state(struct work_struct *work)
last = clp->cl_last_renewal;
now = jiffies;
/* Are we close to a lease timeout? */
- if (time_after(now, last + lease/3)) {
+ if (time_after(now, last + lease/3))
+ renew_flags |= NFS4_RENEW_TIMEOUT;
+ if (nfs_delegations_present(clp))
+ renew_flags |= NFS4_RENEW_DELEGATION_CB;
+
+ if (renew_flags != 0) {
cred = ops->get_state_renewal_cred_locked(clp);
spin_unlock(&clp->cl_lock);
if (cred == NULL) {
- if (!nfs_delegations_present(clp)) {
+ if (!(renew_flags & NFS4_RENEW_DELEGATION_CB)) {
set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
goto out;
}
nfs_expire_all_delegations(clp);
} else {
/* Queue an asynchronous RENEW. */
- ops->sched_state_renewal(clp, cred);
+ ops->sched_state_renewal(clp, cred, renew_flags);
put_rpccred(cred);
goto out_exp;
}
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 72ab97ef3d61..39914be40b03 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1038,6 +1038,12 @@ void nfs4_schedule_lease_recovery(struct nfs_client *clp)
nfs4_schedule_state_manager(clp);
}
+void nfs4_schedule_path_down_recovery(struct nfs_client *clp)
+{
+ nfs_handle_cb_pathdown(clp);
+ nfs4_schedule_state_manager(clp);
+}
+
static int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state)
{
diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
index 9383ca7245bc..d0cda12fddc3 100644
--- a/fs/nfs/objlayout/objio_osd.c
+++ b/fs/nfs/objlayout/objio_osd.c
@@ -479,7 +479,6 @@ static int _io_check(struct objio_state *ios, bool is_write)
for (i = 0; i < ios->numdevs; i++) {
struct osd_sense_info osi;
struct osd_request *or = ios->per_dev[i].or;
- unsigned dev;
int ret;
if (!or)
@@ -500,9 +499,8 @@ static int _io_check(struct objio_state *ios, bool is_write)
continue; /* we recovered */
}
- dev = ios->per_dev[i].dev;
- objlayout_io_set_result(&ios->ol_state, dev,
- &ios->layout->comps[dev].oc_object_id,
+ objlayout_io_set_result(&ios->ol_state, i,
+ &ios->layout->comps[i].oc_object_id,
osd_pri_2_pnfs_err(osi.osd_err_pri),
ios->per_dev[i].offset,
ios->per_dev[i].length,
@@ -589,22 +587,19 @@ static void _calc_stripe_info(struct objio_state *ios, u64 file_offset,
}
static int _add_stripe_unit(struct objio_state *ios, unsigned *cur_pg,
- unsigned pgbase, struct _objio_per_comp *per_dev, int cur_len,
+ unsigned pgbase, struct _objio_per_comp *per_dev, int len,
gfp_t gfp_flags)
{
unsigned pg = *cur_pg;
+ int cur_len = len;
struct request_queue *q =
osd_request_queue(_io_od(ios, per_dev->dev));
- per_dev->length += cur_len;
-
if (per_dev->bio == NULL) {
- unsigned stripes = ios->layout->num_comps /
- ios->layout->mirrors_p1;
- unsigned pages_in_stripe = stripes *
+ unsigned pages_in_stripe = ios->layout->group_width *
(ios->layout->stripe_unit / PAGE_SIZE);
unsigned bio_size = (ios->ol_state.nr_pages + pages_in_stripe) /
- stripes;
+ ios->layout->group_width;
if (BIO_MAX_PAGES_KMALLOC < bio_size)
bio_size = BIO_MAX_PAGES_KMALLOC;
@@ -632,6 +627,7 @@ static int _add_stripe_unit(struct objio_state *ios, unsigned *cur_pg,
}
BUG_ON(cur_len);
+ per_dev->length += len;
*cur_pg = pg;
return 0;
}
@@ -650,7 +646,7 @@ static int _prepare_one_group(struct objio_state *ios, u64 length,
int ret = 0;
while (length) {
- struct _objio_per_comp *per_dev = &ios->per_dev[dev];
+ struct _objio_per_comp *per_dev = &ios->per_dev[dev - first_dev];
unsigned cur_len, page_off = 0;
if (!per_dev->length) {
@@ -670,8 +666,8 @@ static int _prepare_one_group(struct objio_state *ios, u64 length,
cur_len = stripe_unit;
}
- if (max_comp < dev)
- max_comp = dev;
+ if (max_comp < dev - first_dev)
+ max_comp = dev - first_dev;
} else {
cur_len = stripe_unit;
}
@@ -806,7 +802,7 @@ static int _read_mirrors(struct objio_state *ios, unsigned cur_comp)
struct _objio_per_comp *per_dev = &ios->per_dev[cur_comp];
unsigned dev = per_dev->dev;
struct pnfs_osd_object_cred *cred =
- &ios->layout->comps[dev];
+ &ios->layout->comps[cur_comp];
struct osd_obj_id obj = {
.partition = cred->oc_object_id.oid_partition_id,
.id = cred->oc_object_id.oid_object_id,
@@ -904,7 +900,7 @@ static int _write_mirrors(struct objio_state *ios, unsigned cur_comp)
for (; cur_comp < last_comp; ++cur_comp, ++dev) {
struct osd_request *or = NULL;
struct pnfs_osd_object_cred *cred =
- &ios->layout->comps[dev];
+ &ios->layout->comps[cur_comp];
struct osd_obj_id obj = {
.partition = cred->oc_object_id.oid_partition_id,
.id = cred->oc_object_id.oid_object_id,
diff --git a/fs/nfs/objlayout/pnfs_osd_xdr_cli.c b/fs/nfs/objlayout/pnfs_osd_xdr_cli.c
index 16fc758e9123..b3918f7ac34d 100644
--- a/fs/nfs/objlayout/pnfs_osd_xdr_cli.c
+++ b/fs/nfs/objlayout/pnfs_osd_xdr_cli.c
@@ -170,6 +170,9 @@ int pnfs_osd_xdr_decode_layout_map(struct pnfs_osd_layout *layout,
p = _osd_xdr_decode_data_map(p, &layout->olo_map);
layout->olo_comps_index = be32_to_cpup(p++);
layout->olo_num_comps = be32_to_cpup(p++);
+ dprintk("%s: olo_comps_index=%d olo_num_comps=%d\n", __func__,
+ layout->olo_comps_index, layout->olo_num_comps);
+
iter->total_comps = layout->olo_num_comps;
return 0;
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index e550e8836c37..ee73d9a4f700 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1168,23 +1168,17 @@ EXPORT_SYMBOL_GPL(pnfs_generic_pg_test);
/*
* Called by non rpc-based layout drivers
*/
-int
-pnfs_ld_write_done(struct nfs_write_data *data)
+void pnfs_ld_write_done(struct nfs_write_data *data)
{
- int status;
-
- if (!data->pnfs_error) {
+ if (likely(!data->pnfs_error)) {
pnfs_set_layoutcommit(data);
data->mds_ops->rpc_call_done(&data->task, data);
- data->mds_ops->rpc_release(data);
- return 0;
+ } else {
+ put_lseg(data->lseg);
+ data->lseg = NULL;
+ dprintk("pnfs write error = %d\n", data->pnfs_error);
}
-
- dprintk("%s: pnfs_error=%d, retry via MDS\n", __func__,
- data->pnfs_error);
- status = nfs_initiate_write(data, NFS_CLIENT(data->inode),
- data->mds_ops, NFS_FILE_SYNC);
- return status ? : -EAGAIN;
+ data->mds_ops->rpc_release(data);
}
EXPORT_SYMBOL_GPL(pnfs_ld_write_done);
@@ -1268,23 +1262,17 @@ EXPORT_SYMBOL_GPL(pnfs_generic_pg_writepages);
/*
* Called by non rpc-based layout drivers
*/
-int
-pnfs_ld_read_done(struct nfs_read_data *data)
+void pnfs_ld_read_done(struct nfs_read_data *data)
{
- int status;
-
- if (!data->pnfs_error) {
+ if (likely(!data->pnfs_error)) {
__nfs4_read_done_cb(data);
data->mds_ops->rpc_call_done(&data->task, data);
- data->mds_ops->rpc_release(data);
- return 0;
+ } else {
+ put_lseg(data->lseg);
+ data->lseg = NULL;
+ dprintk("pnfs write error = %d\n", data->pnfs_error);
}
-
- dprintk("%s: pnfs_error=%d, retry via MDS\n", __func__,
- data->pnfs_error);
- status = nfs_initiate_read(data, NFS_CLIENT(data->inode),
- data->mds_ops);
- return status ? : -EAGAIN;
+ data->mds_ops->rpc_release(data);
}
EXPORT_SYMBOL_GPL(pnfs_ld_read_done);
@@ -1381,6 +1369,18 @@ static void pnfs_list_write_lseg(struct inode *inode, struct list_head *listp)
}
}
+void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg)
+{
+ if (lseg->pls_range.iomode == IOMODE_RW) {
+ dprintk("%s Setting layout IOMODE_RW fail bit\n", __func__);
+ set_bit(lo_fail_bit(IOMODE_RW), &lseg->pls_layout->plh_flags);
+ } else {
+ dprintk("%s Setting layout IOMODE_READ fail bit\n", __func__);
+ set_bit(lo_fail_bit(IOMODE_READ), &lseg->pls_layout->plh_flags);
+ }
+}
+EXPORT_SYMBOL_GPL(pnfs_set_lo_fail);
+
void
pnfs_set_layoutcommit(struct nfs_write_data *wdata)
{
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 01cbfd54f3cb..1509530cb111 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -178,6 +178,7 @@ int pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc);
void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *, struct nfs_page *);
int pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc);
bool pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, struct nfs_page *req);
+void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg);
int pnfs_layout_process(struct nfs4_layoutget *lgp);
void pnfs_free_lseg_list(struct list_head *tmp_list);
void pnfs_destroy_layout(struct nfs_inode *);
@@ -200,8 +201,8 @@ void pnfs_set_layoutcommit(struct nfs_write_data *wdata);
void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data);
int pnfs_layoutcommit_inode(struct inode *inode, bool sync);
int _pnfs_return_layout(struct inode *);
-int pnfs_ld_write_done(struct nfs_write_data *);
-int pnfs_ld_read_done(struct nfs_read_data *);
+void pnfs_ld_write_done(struct nfs_write_data *);
+void pnfs_ld_read_done(struct nfs_read_data *);
struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino,
struct nfs_open_context *ctx,
loff_t pos,
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 2171c043ab08..8b48ec63f722 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -35,16 +35,13 @@ static const struct rpc_call_ops nfs_read_partial_ops;
static const struct rpc_call_ops nfs_read_full_ops;
static struct kmem_cache *nfs_rdata_cachep;
-static mempool_t *nfs_rdata_mempool;
-
-#define MIN_POOL_READ (32)
struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
{
- struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_KERNEL);
+ struct nfs_read_data *p;
+ p = kmem_cache_zalloc(nfs_rdata_cachep, GFP_KERNEL);
if (p) {
- memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
p->npages = pagecount;
if (pagecount <= ARRAY_SIZE(p->page_array))
@@ -52,7 +49,7 @@ struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
else {
p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_KERNEL);
if (!p->pagevec) {
- mempool_free(p, nfs_rdata_mempool);
+ kmem_cache_free(nfs_rdata_cachep, p);
p = NULL;
}
}
@@ -64,7 +61,7 @@ void nfs_readdata_free(struct nfs_read_data *p)
{
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
- mempool_free(p, nfs_rdata_mempool);
+ kmem_cache_free(nfs_rdata_cachep, p);
}
void nfs_readdata_release(struct nfs_read_data *rdata)
@@ -276,7 +273,6 @@ nfs_async_read_error(struct list_head *head)
while (!list_empty(head)) {
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
- SetPageError(req->wb_page);
nfs_readpage_release(req);
}
}
@@ -322,7 +318,6 @@ static int nfs_pagein_multi(struct nfs_pageio_descriptor *desc, struct list_head
offset += len;
} while(nbytes != 0);
atomic_set(&req->wb_complete, requests);
- ClearPageError(page);
desc->pg_rpc_callops = &nfs_read_partial_ops;
return ret;
out_bad:
@@ -331,7 +326,6 @@ out_bad:
list_del(&data->list);
nfs_readdata_free(data);
}
- SetPageError(page);
nfs_readpage_release(req);
return -ENOMEM;
}
@@ -357,7 +351,6 @@ static int nfs_pagein_one(struct nfs_pageio_descriptor *desc, struct list_head *
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_list_add_request(req, &data->pages);
- ClearPageError(req->wb_page);
*pages++ = req->wb_page;
}
req = nfs_list_entry(data->pages.next);
@@ -435,7 +428,7 @@ static void nfs_readpage_retry(struct rpc_task *task, struct nfs_read_data *data
argp->offset += resp->count;
argp->pgbase += resp->count;
argp->count -= resp->count;
- nfs_restart_rpc(task, NFS_SERVER(data->inode)->nfs_client);
+ rpc_restart_call_prepare(task);
}
/*
@@ -462,10 +455,10 @@ static void nfs_readpage_release_partial(void *calldata)
int status = data->task.tk_status;
if (status < 0)
- SetPageError(page);
+ set_bit(PG_PARTIAL_READ_FAILED, &req->wb_flags);
if (atomic_dec_and_test(&req->wb_complete)) {
- if (!PageError(page))
+ if (!test_bit(PG_PARTIAL_READ_FAILED, &req->wb_flags))
SetPageUptodate(page);
nfs_readpage_release(req);
}
@@ -541,13 +534,23 @@ static void nfs_readpage_result_full(struct rpc_task *task, void *calldata)
static void nfs_readpage_release_full(void *calldata)
{
struct nfs_read_data *data = calldata;
+ struct nfs_pageio_descriptor pgio;
+ if (data->pnfs_error) {
+ nfs_pageio_init_read_mds(&pgio, data->inode);
+ pgio.pg_recoalesce = 1;
+ }
while (!list_empty(&data->pages)) {
struct nfs_page *req = nfs_list_entry(data->pages.next);
nfs_list_remove_request(req);
- nfs_readpage_release(req);
+ if (!data->pnfs_error)
+ nfs_readpage_release(req);
+ else
+ nfs_pageio_add_request(&pgio, req);
}
+ if (data->pnfs_error)
+ nfs_pageio_complete(&pgio);
nfs_readdata_release(calldata);
}
@@ -648,7 +651,6 @@ readpage_async_filler(void *data, struct page *page)
return 0;
out_error:
error = PTR_ERR(new);
- SetPageError(page);
out_unlock:
unlock_page(page);
return error;
@@ -711,16 +713,10 @@ int __init nfs_init_readpagecache(void)
if (nfs_rdata_cachep == NULL)
return -ENOMEM;
- nfs_rdata_mempool = mempool_create_slab_pool(MIN_POOL_READ,
- nfs_rdata_cachep);
- if (nfs_rdata_mempool == NULL)
- return -ENOMEM;
-
return 0;
}
void nfs_destroy_readpagecache(void)
{
- mempool_destroy(nfs_rdata_mempool);
kmem_cache_destroy(nfs_rdata_cachep);
}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index b961ceac66b4..480b3b6bf71e 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -733,18 +733,22 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
return 0;
}
+
+#ifdef CONFIG_NFS_V4
#ifdef CONFIG_NFS_V4_1
-void show_sessions(struct seq_file *m, struct nfs_server *server)
+static void show_sessions(struct seq_file *m, struct nfs_server *server)
{
if (nfs4_has_session(server->nfs_client))
seq_printf(m, ",sessions");
}
#else
-void show_sessions(struct seq_file *m, struct nfs_server *server) {}
+static void show_sessions(struct seq_file *m, struct nfs_server *server) {}
+#endif
#endif
+#ifdef CONFIG_NFS_V4
#ifdef CONFIG_NFS_V4_1
-void show_pnfs(struct seq_file *m, struct nfs_server *server)
+static void show_pnfs(struct seq_file *m, struct nfs_server *server)
{
seq_printf(m, ",pnfs=");
if (server->pnfs_curr_ld)
@@ -752,9 +756,10 @@ void show_pnfs(struct seq_file *m, struct nfs_server *server)
else
seq_printf(m, "not configured");
}
-#else /* CONFIG_NFS_V4_1 */
-void show_pnfs(struct seq_file *m, struct nfs_server *server) {}
-#endif /* CONFIG_NFS_V4_1 */
+#else
+static void show_pnfs(struct seq_file *m, struct nfs_server *server) {}
+#endif
+#endif
static int nfs_show_devname(struct seq_file *m, struct vfsmount *mnt)
{
@@ -2035,9 +2040,6 @@ static inline void nfs_initialise_sb(struct super_block *sb)
sb->s_blocksize = nfs_block_bits(server->wsize,
&sb->s_blocksize_bits);
- if (server->flags & NFS_MOUNT_NOAC)
- sb->s_flags |= MS_SYNCHRONOUS;
-
sb->s_bdi = &server->backing_dev_info;
nfs_super_set_maxbytes(sb, server->maxfilesize);
@@ -2249,6 +2251,10 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type,
if (server->flags & NFS_MOUNT_UNSHARED)
compare_super = NULL;
+ /* -o noac implies -o sync */
+ if (server->flags & NFS_MOUNT_NOAC)
+ sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+
/* Get a superblock - note that we may end up sharing one that already exists */
s = sget(fs_type, compare_super, nfs_set_super, &sb_mntdata);
if (IS_ERR(s)) {
@@ -2361,6 +2367,10 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
if (server->flags & NFS_MOUNT_UNSHARED)
compare_super = NULL;
+ /* -o noac implies -o sync */
+ if (server->flags & NFS_MOUNT_NOAC)
+ sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+
/* Get a superblock - note that we may end up sharing one that already exists */
s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata);
if (IS_ERR(s)) {
@@ -2628,6 +2638,10 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
if (server->flags & NFS4_MOUNT_UNSHARED)
compare_super = NULL;
+ /* -o noac implies -o sync */
+ if (server->flags & NFS_MOUNT_NOAC)
+ sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+
/* Get a superblock - note that we may end up sharing one that already exists */
s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
if (IS_ERR(s)) {
@@ -2789,7 +2803,7 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
goto out_put_mnt_ns;
ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
- export_path, LOOKUP_FOLLOW, &path);
+ export_path, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path);
nfs_referral_loop_unprotect();
put_mnt_ns(ns_private);
@@ -2916,6 +2930,10 @@ nfs4_xdev_mount(struct file_system_type *fs_type, int flags,
if (server->flags & NFS4_MOUNT_UNSHARED)
compare_super = NULL;
+ /* -o noac implies -o sync */
+ if (server->flags & NFS_MOUNT_NOAC)
+ sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+
/* Get a superblock - note that we may end up sharing one that already exists */
s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
if (IS_ERR(s)) {
@@ -3003,6 +3021,10 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
if (server->flags & NFS4_MOUNT_UNSHARED)
compare_super = NULL;
+ /* -o noac implies -o sync */
+ if (server->flags & NFS_MOUNT_NOAC)
+ sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+
/* Get a superblock - note that we may end up sharing one that already exists */
s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
if (IS_ERR(s)) {
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index b2fbbde58e44..4f9319a2e567 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -87,7 +87,7 @@ static void nfs_async_unlink_done(struct rpc_task *task, void *calldata)
struct inode *dir = data->dir;
if (!NFS_PROTO(dir)->unlink_done(task, dir))
- nfs_restart_rpc(task, NFS_SERVER(dir)->nfs_client);
+ rpc_restart_call_prepare(task);
}
/**
@@ -369,7 +369,7 @@ static void nfs_async_rename_done(struct rpc_task *task, void *calldata)
struct dentry *new_dentry = data->new_dentry;
if (!NFS_PROTO(old_dir)->rename_done(task, old_dir, new_dir)) {
- nfs_restart_rpc(task, NFS_SERVER(old_dir)->nfs_client);
+ rpc_restart_call_prepare(task);
return;
}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index b39b37f80913..2219c88d96b2 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -390,7 +390,7 @@ static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
error = radix_tree_insert(&nfsi->nfs_page_tree, req->wb_index, req);
BUG_ON(error);
if (!nfsi->npages && nfs_have_delegation(inode, FMODE_WRITE))
- nfsi->change_attr++;
+ inode->i_version++;
set_bit(PG_MAPPED, &req->wb_flags);
SetPagePrivate(req->wb_page);
set_page_private(req->wb_page, (unsigned long)req);
@@ -428,7 +428,6 @@ static void
nfs_mark_request_dirty(struct nfs_page *req)
{
__set_page_dirty_nobuffers(req->wb_page);
- __mark_inode_dirty(req->wb_page->mapping->host, I_DIRTY_DATASYNC);
}
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
@@ -762,6 +761,8 @@ int nfs_updatepage(struct file *file, struct page *page,
status = nfs_writepage_setup(ctx, page, offset, count);
if (status < 0)
nfs_set_pageerror(page);
+ else
+ __set_page_dirty_nobuffers(page);
dprintk("NFS: nfs_updatepage returns %d (isize %lld)\n",
status, (long long)i_size_read(inode));
@@ -958,7 +959,7 @@ static int nfs_flush_multi(struct nfs_pageio_descriptor *desc, struct list_head
if (!data)
goto out_bad;
data->pagevec[0] = page;
- nfs_write_rpcsetup(req, data, wsize, offset, desc->pg_ioflags);
+ nfs_write_rpcsetup(req, data, len, offset, desc->pg_ioflags);
list_add(&data->list, res);
requests++;
nbytes -= len;
@@ -1010,7 +1011,6 @@ static int nfs_flush_one(struct nfs_pageio_descriptor *desc, struct list_head *r
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_list_add_request(req, &data->pages);
- ClearPageError(req->wb_page);
*pages++ = req->wb_page;
}
req = nfs_list_entry(data->pages.next);
@@ -1165,7 +1165,13 @@ static void nfs_writeback_done_full(struct rpc_task *task, void *calldata)
static void nfs_writeback_release_full(void *calldata)
{
struct nfs_write_data *data = calldata;
- int status = data->task.tk_status;
+ int ret, status = data->task.tk_status;
+ struct nfs_pageio_descriptor pgio;
+
+ if (data->pnfs_error) {
+ nfs_pageio_init_write_mds(&pgio, data->inode, FLUSH_STABLE);
+ pgio.pg_recoalesce = 1;
+ }
/* Update attributes as result of writeback. */
while (!list_empty(&data->pages)) {
@@ -1181,6 +1187,11 @@ static void nfs_writeback_release_full(void *calldata)
req->wb_bytes,
(long long)req_offset(req));
+ if (data->pnfs_error) {
+ dprintk(", pnfs error = %d\n", data->pnfs_error);
+ goto next;
+ }
+
if (status < 0) {
nfs_set_pageerror(page);
nfs_context_set_write_error(req->wb_context, status);
@@ -1200,7 +1211,19 @@ remove_request:
next:
nfs_clear_page_tag_locked(req);
nfs_end_page_writeback(page);
+ if (data->pnfs_error) {
+ lock_page(page);
+ nfs_pageio_cond_complete(&pgio, page->index);
+ ret = nfs_page_async_flush(&pgio, page, 0);
+ if (ret) {
+ nfs_set_pageerror(page);
+ dprintk("rewrite to MDS error = %d\n", ret);
+ }
+ unlock_page(page);
+ }
}
+ if (data->pnfs_error)
+ nfs_pageio_complete(&pgio);
nfs_writedata_release(calldata);
}
@@ -1281,7 +1304,7 @@ void nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
*/
argp->stable = NFS_FILE_SYNC;
}
- nfs_restart_rpc(task, server->nfs_client);
+ rpc_restart_call_prepare(task);
return;
}
if (time_before(complain, jiffies)) {
@@ -1553,6 +1576,10 @@ static int nfs_commit_unstable_pages(struct inode *inode, struct writeback_contr
int flags = FLUSH_SYNC;
int ret = 0;
+ /* no commits means nothing needs to be done */
+ if (!nfsi->ncommit)
+ return ret;
+
if (wbc->sync_mode == WB_SYNC_NONE) {
/* Don't commit yet if this is a non-blocking flush and there
* are a lot of outstanding writes for this mapping.
@@ -1686,34 +1713,20 @@ out_error:
int nfs_migrate_page(struct address_space *mapping, struct page *newpage,
struct page *page)
{
- struct nfs_page *req;
- int ret;
+ /*
+ * If PagePrivate is set, then the page is currently associated with
+ * an in-progress read or write request. Don't try to migrate it.
+ *
+ * FIXME: we could do this in principle, but we'll need a way to ensure
+ * that we can safely release the inode reference while holding
+ * the page lock.
+ */
+ if (PagePrivate(page))
+ return -EBUSY;
nfs_fscache_release_page(page, GFP_KERNEL);
- req = nfs_find_and_lock_request(page, false);
- ret = PTR_ERR(req);
- if (IS_ERR(req))
- goto out;
-
- ret = migrate_page(mapping, newpage, page);
- if (!req)
- goto out;
- if (ret)
- goto out_unlock;
- page_cache_get(newpage);
- spin_lock(&mapping->host->i_lock);
- req->wb_page = newpage;
- SetPagePrivate(newpage);
- set_page_private(newpage, (unsigned long)req);
- ClearPagePrivate(page);
- set_page_private(page, 0);
- spin_unlock(&mapping->host->i_lock);
- page_cache_release(page);
-out_unlock:
- nfs_clear_page_tag_locked(req);
-out:
- return ret;
+ return migrate_page(mapping, newpage, page);
}
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 15:22:16 +0100