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authorJoseph Qi <joseph.qi@huawei.com>2015-04-14 15:43:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 16:48:57 -0700
commit7e9b19551c8249baf380cbd274633ee4af95bc99 (patch)
treef6db9b069eb265aabab06c16f40dd436b0ff82c1
parentbdd86215b393b743be34b854299c6cda7cbb361c (diff)
downloadop-kernel-dev-7e9b19551c8249baf380cbd274633ee4af95bc99.zip
op-kernel-dev-7e9b19551c8249baf380cbd274633ee4af95bc99.tar.gz
ocfs2: no need get dinode bh when zeroing extend
Since di_bh won't be used when zeroing extend, set it to NULL. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/ocfs2/aops.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 0c2848a..2a618dd 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -706,7 +706,7 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb,
}
if (append_write) {
- ret = ocfs2_inode_lock(inode, &di_bh, 1);
+ ret = ocfs2_inode_lock(inode, NULL, 1);
if (ret < 0) {
mlog_errno(ret);
goto clean_orphan;
@@ -720,7 +720,6 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb,
if (ret < 0) {
mlog_errno(ret);
ocfs2_inode_unlock(inode, 1);
- brelse(di_bh);
goto clean_orphan;
}
@@ -728,13 +727,10 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb,
if (is_overwrite < 0) {
mlog_errno(is_overwrite);
ocfs2_inode_unlock(inode, 1);
- brelse(di_bh);
goto clean_orphan;
}
ocfs2_inode_unlock(inode, 1);
- brelse(di_bh);
- di_bh = NULL;
}
written = __blockdev_direct_IO(WRITE, iocb, inode, inode->i_sb->s_bdev,
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