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authorMike Christie <mchristi@redhat.com>2016-06-05 21:31:43 +0200
committerJens Axboe <axboe@fb.com>2016-06-07 21:41:38 +0200
commit2a222ca992c35aee1e83af428f3dd26a3f5d5d94 (patch)
treea5ff0a4f59f8fc44a276dd054ea04314eec1a043 /fs/nilfs2
parentblock: add REQ_OP definitions and helpers (diff)
downloadlinux-2a222ca992c35aee1e83af428f3dd26a3f5d5d94.tar.xz
linux-2a222ca992c35aee1e83af428f3dd26a3f5d5d94.zip
fs: have submit_bh users pass in op and flags separately
This has submit_bh users pass in the operation and flags separately, so submit_bh_wbc can setup the bio op and bi_rw flags on the bio that is submitted. Signed-off-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/nilfs2')
-rw-r--r--fs/nilfs2/btnode.c6
-rw-r--r--fs/nilfs2/btnode.h2
-rw-r--r--fs/nilfs2/btree.c6
-rw-r--r--fs/nilfs2/gcinode.c5
-rw-r--r--fs/nilfs2/mdt.c11
5 files changed, 17 insertions, 13 deletions
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 0576033699bc..4cca998ec7a0 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -62,7 +62,7 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr)
}
int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
- sector_t pblocknr, int mode,
+ sector_t pblocknr, int mode, int mode_flags,
struct buffer_head **pbh, sector_t *submit_ptr)
{
struct buffer_head *bh;
@@ -95,7 +95,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
}
}
- if (mode == READA) {
+ if (mode_flags & REQ_RAHEAD) {
if (pblocknr != *submit_ptr + 1 || !trylock_buffer(bh)) {
err = -EBUSY; /* internal code */
brelse(bh);
@@ -114,7 +114,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
bh->b_blocknr = pblocknr; /* set block address for read */
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
- submit_bh(mode, bh);
+ submit_bh(mode, mode_flags, bh);
bh->b_blocknr = blocknr; /* set back to the given block address */
*submit_ptr = pblocknr;
err = 0;
diff --git a/fs/nilfs2/btnode.h b/fs/nilfs2/btnode.h
index 2cc1b80e18f7..4e8aaa1aeb65 100644
--- a/fs/nilfs2/btnode.h
+++ b/fs/nilfs2/btnode.h
@@ -43,7 +43,7 @@ void nilfs_btnode_cache_clear(struct address_space *);
struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
__u64 blocknr);
int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t, int,
- struct buffer_head **, sector_t *);
+ int, struct buffer_head **, sector_t *);
void nilfs_btnode_delete(struct buffer_head *);
int nilfs_btnode_prepare_change_key(struct address_space *,
struct nilfs_btnode_chkey_ctxt *);
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index eccb1c89ccbb..982d1e3df3a5 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -476,7 +476,8 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr,
sector_t submit_ptr = 0;
int ret;
- ret = nilfs_btnode_submit_block(btnc, ptr, 0, READ, &bh, &submit_ptr);
+ ret = nilfs_btnode_submit_block(btnc, ptr, 0, REQ_OP_READ, 0, &bh,
+ &submit_ptr);
if (ret) {
if (ret != -EEXIST)
return ret;
@@ -492,7 +493,8 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr,
n > 0 && i < ra->ncmax; n--, i++) {
ptr2 = nilfs_btree_node_get_ptr(ra->node, i, ra->ncmax);
- ret = nilfs_btnode_submit_block(btnc, ptr2, 0, READA,
+ ret = nilfs_btnode_submit_block(btnc, ptr2, 0,
+ REQ_OP_READ, REQ_RAHEAD,
&ra_bh, &submit_ptr);
if (likely(!ret || ret == -EEXIST))
brelse(ra_bh);
diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c
index 693aded72498..e9148f94d696 100644
--- a/fs/nilfs2/gcinode.c
+++ b/fs/nilfs2/gcinode.c
@@ -101,7 +101,7 @@ int nilfs_gccache_submit_read_data(struct inode *inode, sector_t blkoff,
bh->b_blocknr = pbn;
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
- submit_bh(READ, bh);
+ submit_bh(REQ_OP_READ, 0, bh);
if (vbn)
bh->b_blocknr = vbn;
out:
@@ -138,7 +138,8 @@ int nilfs_gccache_submit_read_node(struct inode *inode, sector_t pbn,
int ret;
ret = nilfs_btnode_submit_block(&NILFS_I(inode)->i_btnode_cache,
- vbn ? : pbn, pbn, READ, out_bh, &pbn);
+ vbn ? : pbn, pbn, REQ_OP_READ, 0,
+ out_bh, &pbn);
if (ret == -EEXIST) /* internal code (cache hit) */
ret = 0;
return ret;
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 3417d859a03c..0d7b71fbeff8 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -121,7 +121,7 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block,
static int
nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff,
- int mode, struct buffer_head **out_bh)
+ int mode, int mode_flags, struct buffer_head **out_bh)
{
struct buffer_head *bh;
__u64 blknum = 0;
@@ -135,7 +135,7 @@ nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff,
if (buffer_uptodate(bh))
goto out;
- if (mode == READA) {
+ if (mode_flags & REQ_RAHEAD) {
if (!trylock_buffer(bh)) {
ret = -EBUSY;
goto failed_bh;
@@ -157,7 +157,7 @@ nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff,
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
- submit_bh(mode, bh);
+ submit_bh(mode, mode_flags, bh);
ret = 0;
trace_nilfs2_mdt_submit_block(inode, inode->i_ino, blkoff, mode);
@@ -181,7 +181,7 @@ static int nilfs_mdt_read_block(struct inode *inode, unsigned long block,
int i, nr_ra_blocks = NILFS_MDT_MAX_RA_BLOCKS;
int err;
- err = nilfs_mdt_submit_block(inode, block, READ, &first_bh);
+ err = nilfs_mdt_submit_block(inode, block, REQ_OP_READ, 0, &first_bh);
if (err == -EEXIST) /* internal code */
goto out;
@@ -191,7 +191,8 @@ static int nilfs_mdt_read_block(struct inode *inode, unsigned long block,
if (readahead) {
blkoff = block + 1;
for (i = 0; i < nr_ra_blocks; i++, blkoff++) {
- err = nilfs_mdt_submit_block(inode, blkoff, READA, &bh);
+ err = nilfs_mdt_submit_block(inode, blkoff, REQ_OP_READ,
+ REQ_RAHEAD, &bh);
if (likely(!err || err == -EEXIST))
brelse(bh);
else if (err != -EBUSY)