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authorChristoph Hellwig <hch@lst.de>2019-06-29 04:31:37 +0200
committerDarrick J. Wong <darrick.wong@oracle.com>2019-06-30 18:05:17 +0200
commitfe64e0d26b1c8096073661851edc99d6370f5e96 (patch)
tree0664e1bab2c40ddb80e551d48ff367fb55730a17
parentxfs: allow merging ioends over append boundaries (diff)
downloadlinux-fe64e0d26b1c8096073661851edc99d6370f5e96.tar.xz
linux-fe64e0d26b1c8096073661851edc99d6370f5e96.zip
xfs: simplify xfs_ioend_can_merge
Compare the block layer status directly instead of converting it to an errno first. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
-rw-r--r--fs/xfs/xfs_aops.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 84fca91dacf1..326294a4918f 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -285,13 +285,9 @@ done:
static bool
xfs_ioend_can_merge(
struct xfs_ioend *ioend,
- int ioend_error,
struct xfs_ioend *next)
{
- int next_error;
-
- next_error = blk_status_to_errno(next->io_bio->bi_status);
- if (ioend_error != next_error)
+ if (ioend->io_bio->bi_status != next->io_bio->bi_status)
return false;
if ((ioend->io_fork == XFS_COW_FORK) ^ (next->io_fork == XFS_COW_FORK))
return false;
@@ -329,17 +325,11 @@ xfs_ioend_try_merge(
struct list_head *more_ioends)
{
struct xfs_ioend *next_ioend;
- int ioend_error;
-
- if (list_empty(more_ioends))
- return;
-
- ioend_error = blk_status_to_errno(ioend->io_bio->bi_status);
while (!list_empty(more_ioends)) {
next_ioend = list_first_entry(more_ioends, struct xfs_ioend,
io_list);
- if (!xfs_ioend_can_merge(ioend, ioend_error, next_ioend))
+ if (!xfs_ioend_can_merge(ioend, next_ioend))
break;
list_move_tail(&next_ioend->io_list, &ioend->io_list);
ioend->io_size += next_ioend->io_size;