xfs: consolidate superblock logging functions

We now have several superblock loggin functions that are identical
except for the transaction reservation and whether it shoul dbe a
synchronous transaction or not. Consolidate these all into a single
function, a single reserveration and a sync flag and call it
xfs_sync_sb().

Also, xfs_mod_sb() is not really a modification function - it's the
operation of logging the superblock buffer. hence change the name of
it to reflect this.

Note that we have to change the mp->m_update_flags that are passed
around at mount time to a boolean simply to indicate a superblock
update is needed.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 28b341bf1555..a5b2ff822653 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -162,8 +162,7 @@ typedef struct xfs_mount {
         struct delayed_work     m_reclaim_work; /* background inode reclaim */
         struct delayed_work     m_eofblocks_work; /* background eof blocks
                                                      trimming */
-        __int64_t               m_update_flags; /* sb flags we need to update
-                                                   on the next remount,rw */
+        bool                    m_update_sb;    /* sb needs update in mount */
         int64_t                 m_low_space[XFS_LOWSP_MAX];
                                                 /* low free space thresholds */
         struct xfs_kobj         m_kobj;