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-rw-r--r--fs/xfs/linux-2.6/xfs_file.c6
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl.c4
-rw-r--r--fs/xfs/xfs_vnodeops.c3
-rw-r--r--fs/xfs/xfs_vnodeops.h1
4 files changed, 12 insertions, 2 deletions
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index a55c1b46b21..52aadfbed13 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -896,6 +896,7 @@ xfs_file_fallocate(
xfs_flock64_t bf;
xfs_inode_t *ip = XFS_I(inode);
int cmd = XFS_IOC_RESVSP;
+ int attr_flags = XFS_ATTR_NOLOCK;
if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
return -EOPNOTSUPP;
@@ -918,7 +919,10 @@ xfs_file_fallocate(
goto out_unlock;
}
- error = -xfs_change_file_space(ip, cmd, &bf, 0, XFS_ATTR_NOLOCK);
+ if (file->f_flags & O_DSYNC)
+ attr_flags |= XFS_ATTR_SYNC;
+
+ error = -xfs_change_file_space(ip, cmd, &bf, 0, attr_flags);
if (error)
goto out_unlock;
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 0ca0e3c024d..acca2c5ca3f 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -624,6 +624,10 @@ xfs_ioc_space(
if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
attr_flags |= XFS_ATTR_NONBLOCK;
+
+ if (filp->f_flags & O_DSYNC)
+ attr_flags |= XFS_ATTR_SYNC;
+
if (ioflags & IO_INVIS)
attr_flags |= XFS_ATTR_DMI;
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 37d8146ee15..c48b4217ec4 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -2831,7 +2831,8 @@ xfs_change_file_space(
ip->i_d.di_flags &= ~XFS_DIFLAG_PREALLOC;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- xfs_trans_set_sync(tp);
+ if (attr_flags & XFS_ATTR_SYNC)
+ xfs_trans_set_sync(tp);
error = xfs_trans_commit(tp, 0);
diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h
index f6702927eee..3bcd23353d6 100644
--- a/fs/xfs/xfs_vnodeops.h
+++ b/fs/xfs/xfs_vnodeops.h
@@ -18,6 +18,7 @@ int xfs_setattr(struct xfs_inode *ip, struct iattr *vap, int flags);
#define XFS_ATTR_NONBLOCK 0x02 /* return EAGAIN if operation would block */
#define XFS_ATTR_NOLOCK 0x04 /* Don't grab any conflicting locks */
#define XFS_ATTR_NOACL 0x08 /* Don't call xfs_acl_chmod */
+#define XFS_ATTR_SYNC 0x10 /* synchronous operation required */
int xfs_readlink(struct xfs_inode *ip, char *link);
int xfs_release(struct xfs_inode *ip);