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authorGang He <ghe@suse.com>2018-01-31 16:15:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 17:18:35 -0800
commitc4c2416ab0d656539cca5de4ae0a2ba8ec3d9eca (patch)
tree043ac9760184a10a566f6ba415d37e5df93fa802 /fs/ocfs2/mmap.c
parentac604d3cdb20a12d67131d20095c4c7905aeb722 (diff)
ocfs2: nowait aio support
Return EAGAIN if any of the following checks fail for direct I/O: - Cannot get the related locks immediately - Blocks are not allocated at the write location, it will trigger block allocation and block IO operations. [ghe@suse.com: v4] Link: http://lkml.kernel.org/r/1516007283-29932-4-git-send-email-ghe@suse.com [ghe@suse.com: v2] Link: http://lkml.kernel.org/r/1511944612-9629-4-git-send-email-ghe@suse.com Link: http://lkml.kernel.org/r/1511775987-841-4-git-send-email-ghe@suse.com Signed-off-by: Gang He <ghe@suse.com> Reviewed-by: Alex Chen <alex.chen@huawei.com> Cc: Mark Fasheh <mfasheh@versity.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Joseph Qi <jiangqi903@gmail.com> Cc: Changwei Ge <ge.changwei@h3c.com> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2/mmap.c')
-rw-r--r--fs/ocfs2/mmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 098f5c712569..fb9a20e3d608 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -184,7 +184,7 @@ int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
int ret = 0, lock_level = 0;
ret = ocfs2_inode_lock_atime(file_inode(file),
- file->f_path.mnt, &lock_level);
+ file->f_path.mnt, &lock_level, 1);
if (ret < 0) {
mlog_errno(ret);
goto out;