diff options
| author | Gang He <ghe@suse.com> | 2018-01-31 16:15:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-31 17:18:35 -0800 |
| commit | c4c2416ab0d656539cca5de4ae0a2ba8ec3d9eca (patch) | |
| tree | 043ac9760184a10a566f6ba415d37e5df93fa802 /fs/ocfs2/mmap.c | |
| parent | ac604d3cdb20a12d67131d20095c4c7905aeb722 (diff) | |
| download | linux-c4c2416ab0d656539cca5de4ae0a2ba8ec3d9eca.tar.gz | |
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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c index 098f5c71256966..fb9a20e3d60850 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; |