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authorGang He <ghe@suse.com>2018-02-01 01:15:25 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-01 02:18:35 +0100
commitc4c2416ab0d656539cca5de4ae0a2ba8ec3d9eca (patch)
tree043ac9760184a10a566f6ba415d37e5df93fa802 /fs/ocfs2/dlmglue.h
parentocfs2: add ocfs2_overwrite_io() (diff)
downloadlinux-c4c2416ab0d656539cca5de4ae0a2ba8ec3d9eca.tar.xz
linux-c4c2416ab0d656539cca5de4ae0a2ba8ec3d9eca.zip
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/dlmglue.h')
-rw-r--r--fs/ocfs2/dlmglue.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h
index 34139a3d7118..256e0a9067b8 100644
--- a/fs/ocfs2/dlmglue.h
+++ b/fs/ocfs2/dlmglue.h
@@ -146,7 +146,7 @@ int ocfs2_try_open_lock(struct inode *inode, int write);
void ocfs2_open_unlock(struct inode *inode);
int ocfs2_inode_lock_atime(struct inode *inode,
struct vfsmount *vfsmnt,
- int *level);
+ int *level, int wait);
int ocfs2_inode_lock_full_nested(struct inode *inode,
struct buffer_head **ret_bh,
int ex,