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authorMartin Brandenburg <martin@omnibond.com>2016-01-04 21:05:28 +0100
committerMike Marshall <hubcap@omnibond.com>2016-01-04 22:21:46 +0100
commit7d2214858f137ff5fe20d0fdc2823c12b4b54f46 (patch)
treec269ab6ecb76f691dc20623ea0ffac2ba46ff736
parentorangefs: Don't pollute global namespace (diff)
downloadlinux-7d2214858f137ff5fe20d0fdc2823c12b4b54f46.tar.xz
linux-7d2214858f137ff5fe20d0fdc2823c12b4b54f46.zip
orangefs: Fix some more global namespace pollution.
This only changes the names of things, so there is no functional change. Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
-rw-r--r--fs/orangefs/devorangefs-req.c4
-rw-r--r--fs/orangefs/dir.c23
-rw-r--r--fs/orangefs/orangefs-bufmap.c10
-rw-r--r--fs/orangefs/orangefs-bufmap.h6
-rw-r--r--fs/orangefs/orangefs-dev-proto.h32
-rw-r--r--fs/orangefs/waitqueue.c8
6 files changed, 33 insertions, 50 deletions
diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c
index 5a9c53eb115f..e3bb15e344ed 100644
--- a/fs/orangefs/devorangefs-req.c
+++ b/fs/orangefs/devorangefs-req.c
@@ -600,7 +600,7 @@ static int orangefs_devreq_release(struct inode *inode, struct file *file)
__func__);
mutex_lock(&devreq_mutex);
- if (get_bufmap_init())
+ if (orangefs_get_bufmap_init())
orangefs_bufmap_finalize();
open_access_count--;
@@ -693,7 +693,7 @@ static long dispatch_ioctl_command(unsigned int command, unsigned long arg)
(struct ORANGEFS_dev_map_desc __user *)
arg,
sizeof(struct ORANGEFS_dev_map_desc));
- if (get_bufmap_init()) {
+ if (orangefs_get_bufmap_init()) {
return -EINVAL;
} else {
return ret ?
diff --git a/fs/orangefs/dir.c b/fs/orangefs/dir.c
index c043894fc2bd..58558e37fb8a 100644
--- a/fs/orangefs/dir.c
+++ b/fs/orangefs/dir.c
@@ -52,7 +52,11 @@ static long decode_dirents(char *ptr, size_t size,
readdir->dirent_array[i].d_name = buf + 4;
readdir->dirent_array[i].d_length = len;
- len = roundup8(4 + len + 1);
+ /*
+ * Round 4 + len + 1, which is the encoded size plus the string
+ * plus the null terminator to the nearest eight byte boundry.
+ */
+ len = ((4 + len + 1) + 7) & ~7;
if (size < len + 16)
goto Einval;
size -= len + 16;
@@ -109,7 +113,7 @@ static void readdir_handle_dtor(struct orangefs_bufmap *bufmap,
rhandle->readdir_response.dirent_array = NULL;
if (rhandle->buffer_index >= 0) {
- readdir_index_put(bufmap, rhandle->buffer_index);
+ orangefs_readdir_index_put(bufmap, rhandle->buffer_index);
rhandle->buffer_index = -1;
}
if (rhandle->dents_buf) {
@@ -175,7 +179,8 @@ static int orangefs_readdir(struct file *file, struct dir_context *ctx)
new_op->uses_shared_memory = 1;
new_op->upcall.req.readdir.refn = orangefs_inode->refn;
- new_op->upcall.req.readdir.max_dirent_count = MAX_DIRENT_COUNT_READDIR;
+ new_op->upcall.req.readdir.max_dirent_count =
+ ORANGEFS_MAX_DIRENT_COUNT_READDIR;
gossip_debug(GOSSIP_DIR_DEBUG,
"%s: upcall.req.readdir.refn.khandle: %pU\n",
@@ -185,9 +190,9 @@ static int orangefs_readdir(struct file *file, struct dir_context *ctx)
new_op->upcall.req.readdir.token = *ptoken;
get_new_buffer_index:
- ret = readdir_index_get(&bufmap, &buffer_index);
+ ret = orangefs_readdir_index_get(&bufmap, &buffer_index);
if (ret < 0) {
- gossip_lerr("orangefs_readdir: readdir_index_get() failure (%d)\n",
+ gossip_lerr("orangefs_readdir: orangefs_readdir_index_get() failure (%d)\n",
ret);
goto out_free_op;
}
@@ -211,14 +216,14 @@ get_new_buffer_index:
gossip_debug(GOSSIP_DIR_DEBUG,
"%s: Getting new buffer_index for retry of readdir..\n",
__func__);
- readdir_index_put(bufmap, buffer_index);
+ orangefs_readdir_index_put(bufmap, buffer_index);
goto get_new_buffer_index;
}
if (ret == -EIO && op_state_purged(new_op)) {
gossip_err("%s: Client is down. Aborting readdir call.\n",
__func__);
- readdir_index_put(bufmap, buffer_index);
+ orangefs_readdir_index_put(bufmap, buffer_index);
goto out_free_op;
}
@@ -226,7 +231,7 @@ get_new_buffer_index:
gossip_debug(GOSSIP_DIR_DEBUG,
"Readdir request failed. Status:%d\n",
new_op->downcall.status);
- readdir_index_put(bufmap, buffer_index);
+ orangefs_readdir_index_put(bufmap, buffer_index);
if (ret >= 0)
ret = new_op->downcall.status;
goto out_free_op;
@@ -241,7 +246,7 @@ get_new_buffer_index:
gossip_err("orangefs_readdir: Could not decode trailer buffer into a readdir response %d\n",
ret);
ret = bytes_decoded;
- readdir_index_put(bufmap, buffer_index);
+ orangefs_readdir_index_put(bufmap, buffer_index);
goto out_free_op;
}
diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c
index 888aa28136ee..15baecb8094d 100644
--- a/fs/orangefs/orangefs-bufmap.c
+++ b/fs/orangefs/orangefs-bufmap.c
@@ -115,14 +115,14 @@ static DECLARE_WAIT_QUEUE_HEAD(bufmap_waitq);
static DECLARE_WAIT_QUEUE_HEAD(readdir_waitq);
/*
- * get_bufmap_init
+ * orangefs_get_bufmap_init
*
* If bufmap_init is 1, then the shared memory system, including the
* buffer_index_array, is available. Otherwise, it is not.
*
* returns the value of bufmap_init
*/
-int get_bufmap_init(void)
+int orangefs_get_bufmap_init(void)
{
return __orangefs_bufmap ? 1 : 0;
}
@@ -473,7 +473,7 @@ void orangefs_bufmap_put(struct orangefs_bufmap *bufmap, int buffer_index)
}
/*
- * readdir_index_get()
+ * orangefs_readdir_index_get()
*
* gets a free descriptor, will sleep until one becomes
* available if necessary.
@@ -483,7 +483,7 @@ void orangefs_bufmap_put(struct orangefs_bufmap *bufmap, int buffer_index)
*
* returns 0 on success, -errno on failure
*/
-int readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index)
+int orangefs_readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index)
{
struct orangefs_bufmap *bufmap = orangefs_bufmap_ref();
struct slot_args slargs;
@@ -505,7 +505,7 @@ int readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index)
return ret;
}
-void readdir_index_put(struct orangefs_bufmap *bufmap, int buffer_index)
+void orangefs_readdir_index_put(struct orangefs_bufmap *bufmap, int buffer_index)
{
struct slot_args slargs;
diff --git a/fs/orangefs/orangefs-bufmap.h b/fs/orangefs/orangefs-bufmap.h
index 112ec33a1b86..dff55e2857c5 100644
--- a/fs/orangefs/orangefs-bufmap.h
+++ b/fs/orangefs/orangefs-bufmap.h
@@ -15,7 +15,7 @@ int orangefs_bufmap_shift_query(void);
int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc *user_desc);
-int get_bufmap_init(void);
+int orangefs_get_bufmap_init(void);
void orangefs_bufmap_finalize(void);
@@ -23,9 +23,9 @@ int orangefs_bufmap_get(struct orangefs_bufmap **mapp, int *buffer_index);
void orangefs_bufmap_put(struct orangefs_bufmap *bufmap, int buffer_index);
-int readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index);
+int orangefs_readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index);
-void readdir_index_put(struct orangefs_bufmap *bufmap, int buffer_index);
+void orangefs_readdir_index_put(struct orangefs_bufmap *bufmap, int buffer_index);
int orangefs_bufmap_copy_from_iovec(struct orangefs_bufmap *bufmap,
struct iov_iter *iter,
diff --git a/fs/orangefs/orangefs-dev-proto.h b/fs/orangefs/orangefs-dev-proto.h
index dc1951dd7045..5a8725a88eac 100644
--- a/fs/orangefs/orangefs-dev-proto.h
+++ b/fs/orangefs/orangefs-dev-proto.h
@@ -51,35 +51,13 @@
#define ORANGEFS_MAX_DEBUG_ARRAY_LEN 0x00000800
/*
- * MAX_DIRENT_COUNT cannot be larger than ORANGEFS_REQ_LIMIT_LISTATTR.
- * The value of ORANGEFS_REQ_LIMIT_LISTATTR has been changed from 113 to 60
- * to accomodate an attribute object with mirrored handles.
- * MAX_DIRENT_COUNT is replaced by MAX_DIRENT_COUNT_READDIR and
- * MAX_DIRENT_COUNT_READDIRPLUS, since readdir doesn't trigger a listattr
- * but readdirplus might.
-*/
-#define MAX_DIRENT_COUNT_READDIR 0x00000060
-#define MAX_DIRENT_COUNT_READDIRPLUS 0x0000003C
+ * The maximum number of directory entries in a single request is 96.
+ * XXX: Why can this not be higher. The client-side code can handle up to 512.
+ * XXX: What happens if we expect more than the client can return?
+ */
+#define ORANGEFS_MAX_DIRENT_COUNT_READDIR 96
#include "upcall.h"
#include "downcall.h"
-/*
- * These macros differ from proto macros in that they don't do any
- * byte-swappings and are used to ensure that kernel-clientcore interactions
- * don't cause any unaligned accesses etc on 64 bit machines
- */
-#ifndef roundup4
-#define roundup4(x) (((x)+3) & ~3)
-#endif
-
-#ifndef roundup8
-#define roundup8(x) (((x)+7) & ~7)
-#endif
-
-struct read_write_x {
- __s64 off;
- __s64 len;
-};
-
#endif
diff --git a/fs/orangefs/waitqueue.c b/fs/orangefs/waitqueue.c
index e1415e3882ba..751c3c640a52 100644
--- a/fs/orangefs/waitqueue.c
+++ b/fs/orangefs/waitqueue.c
@@ -180,7 +180,7 @@ retry_servicing:
goto retry_servicing;
/* op uses shared memory */
- if (get_bufmap_init() == 0) {
+ if (orangefs_get_bufmap_init() == 0) {
/*
* This operation uses the shared memory system AND
* the system is not yet ready. This situation occurs
@@ -194,7 +194,7 @@ retry_servicing:
"Client core in-service status(%d).\n",
is_daemon_in_service());
gossip_debug(GOSSIP_WAIT_DEBUG, "bufmap_init:%d.\n",
- get_bufmap_init());
+ orangefs_get_bufmap_init());
gossip_debug(GOSSIP_WAIT_DEBUG,
"operation's status is 0x%0x.\n",
op->op_state);
@@ -222,13 +222,13 @@ retry_servicing:
ret);
gossip_debug(GOSSIP_WAIT_DEBUG,
"Is shared memory available? (%d).\n",
- get_bufmap_init());
+ orangefs_get_bufmap_init());
spin_lock_irqsave(&op->lock, irqflags);
finish_wait(&orangefs_bufmap_init_waitq, &wait_entry);
spin_unlock_irqrestore(&op->lock, irqflags);
- if (get_bufmap_init() == 0) {
+ if (orangefs_get_bufmap_init() == 0) {
gossip_err("%s:The shared memory system has not started in %d seconds after the client core restarted. Aborting user's request(%s).\n",
__func__,
ORANGEFS_BUFMAP_WAIT_TIMEOUT_SECS,