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Diffstat (limited to 'fs/xfs/xfs_file.c')
-rw-r--r--fs/xfs/xfs_file.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index a29f78a663ca..3d1b95124744 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1008,6 +1008,21 @@ xfs_file_fadvise(
return ret;
}
+/* Does this file, inode, or mount want synchronous writes? */
+static inline bool xfs_file_sync_writes(struct file *filp)
+{
+ struct xfs_inode *ip = XFS_I(file_inode(filp));
+
+ if (ip->i_mount->m_flags & XFS_MOUNT_WSYNC)
+ return true;
+ if (filp->f_flags & (__O_SYNC | O_DSYNC))
+ return true;
+ if (IS_SYNC(file_inode(filp)))
+ return true;
+
+ return false;
+}
+
STATIC loff_t
xfs_file_remap_range(
struct file *file_in,
@@ -1065,7 +1080,7 @@ xfs_file_remap_range(
if (ret)
goto out_unlock;
- if (mp->m_flags & XFS_MOUNT_WSYNC)
+ if (xfs_file_sync_writes(file_in) || xfs_file_sync_writes(file_out))
xfs_log_force_inode(dest);
out_unlock:
xfs_iunlock2_io_mmap(src, dest);