提交 7e9b1955 编写于 作者: J Joseph Qi 提交者: Linus Torvalds

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: NJoseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 bdd86215
...@@ -706,7 +706,7 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb, ...@@ -706,7 +706,7 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb,
} }
if (append_write) { if (append_write) {
ret = ocfs2_inode_lock(inode, &di_bh, 1); ret = ocfs2_inode_lock(inode, NULL, 1);
if (ret < 0) { if (ret < 0) {
mlog_errno(ret); mlog_errno(ret);
goto clean_orphan; goto clean_orphan;
...@@ -720,7 +720,6 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb, ...@@ -720,7 +720,6 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb,
if (ret < 0) { if (ret < 0) {
mlog_errno(ret); mlog_errno(ret);
ocfs2_inode_unlock(inode, 1); ocfs2_inode_unlock(inode, 1);
brelse(di_bh);
goto clean_orphan; goto clean_orphan;
} }
...@@ -728,13 +727,10 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb, ...@@ -728,13 +727,10 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb,
if (is_overwrite < 0) { if (is_overwrite < 0) {
mlog_errno(is_overwrite); mlog_errno(is_overwrite);
ocfs2_inode_unlock(inode, 1); ocfs2_inode_unlock(inode, 1);
brelse(di_bh);
goto clean_orphan; goto clean_orphan;
} }
ocfs2_inode_unlock(inode, 1); ocfs2_inode_unlock(inode, 1);
brelse(di_bh);
di_bh = NULL;
} }
written = __blockdev_direct_IO(WRITE, iocb, inode, inode->i_sb->s_bdev, written = __blockdev_direct_IO(WRITE, iocb, inode, inode->i_sb->s_bdev,
......
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