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xfs: merge _xfs_log_force and xfs_log_force

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Switch to a single interface for flushing the whole log, which gives
consistent trace point coverage, and removes the unused log_flushed
argument for the previous _xfs_log_force callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig
2018-03-13 23:15:28 -07:00
committed by Darrick J. Wong
parent 2b56c2857f
commit 60e5bb7844
4 changed files with 8 additions and 29 deletions
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26
fs/xfs/xfs_log.c
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@@ -869,7 +869,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
return 0;
}
error = _xfs_log_force(mp, XFS_LOG_SYNC, NULL);
error = xfs_log_force(mp, XFS_LOG_SYNC);
ASSERT(error || !(XLOG_FORCED_SHUTDOWN(log)));
#ifdef DEBUG
@@ -3304,16 +3304,16 @@ xlog_state_switch_iclogs(
* not in the active nor dirty state.
*/
int
_xfs_log_force(
xfs_log_force(
struct xfs_mount *mp,
uint flags,
int *log_flushed)
uint flags)
{
struct xlog *log = mp->m_log;
struct xlog_in_core *iclog;
xfs_lsn_t lsn;
XFS_STATS_INC(mp, xs_log_force);
trace_xfs_log_force(mp, 0, _RET_IP_);
xlog_cil_force(log);
@@ -3362,8 +3362,6 @@ _xfs_log_force(
if (xlog_state_release_iclog(log, iclog))
return -EIO;
if (log_flushed)
*log_flushed = 1;
spin_lock(&log->l_icloglock);
if (be64_to_cpu(iclog->ic_header.h_lsn) == lsn &&
iclog->ic_state != XLOG_STATE_DIRTY)
@@ -3415,20 +3413,6 @@ no_sleep:
return 0;
}
/*
* Wrapper for _xfs_log_force(), to be used when caller doesn't care
* about errors or whether the log was flushed or not. This is the normal
* interface to use when trying to unpin items or move the log forward.
*/
void
xfs_log_force(
xfs_mount_t *mp,
uint flags)
{
trace_xfs_log_force(mp, 0, _RET_IP_);
_xfs_log_force(mp, flags, NULL);
}
/*
* Force the in-core log to disk for a specific LSN.
*
@@ -4035,7 +4019,7 @@ xfs_log_force_umount(
* to guarantee this.
*/
if (!logerror)
_xfs_log_force(mp, XFS_LOG_SYNC, NULL);
xfs_log_force(mp, XFS_LOG_SYNC);
/*
* mark the filesystem and the as in a shutdown state and wake