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xfs: consolidate superblock logging functions

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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>
This commit is contained in:
Dave Chinner
2015-01-22 09:10:31 +11:00
committed by Dave Chinner
parent 4d11a40239
commit 61e63ecb57
15 changed files with 101 additions and 181 deletions
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7
fs/xfs/xfs_qm_syscalls.c
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@@ -92,7 +92,7 @@ xfs_qm_scall_quotaoff(
mutex_unlock(&q->qi_quotaofflock);
/* XXX what to do if error ? Revert back to old vals incore ? */
return xfs_qm_write_sb_changes(mp);
return xfs_sync_sb(mp, false);
}
dqtype = 0;
@@ -369,7 +369,8 @@ xfs_qm_scall_quotaon(
if ((qf & flags) == flags)
return -EEXIST;
if ((error = xfs_qm_write_sb_changes(mp)))
error = xfs_sync_sb(mp, false);
if (error)
return error;
/*
* If we aren't trying to switch on quota enforcement, we are done.
@@ -796,7 +797,7 @@ xfs_qm_log_quotaoff(
mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL;
spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp);
xfs_log_sb(tp);
/*
* We have to make sure that the transaction is secure on disk before we