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xfs: remove unused deferred ops committed field 

dop_committed is set when deferred item processing rolls the
transaction at least once, but is only ever accessed in tracepoints.
The transaction roll/commit events are already available via
independent tracepoints, so remove the otherwise unused field.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Brian Foster 2018-07-24 13:43:09 -07:00 committed by Darrick J. Wong
parent 03f4e4b26c
commit 83200bfac6
3 changed files with 2 additions and 8 deletions
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1
fs/xfs/libxfs/xfs_defer.c
View File

@ -249,7 +249,6 @@ xfs_defer_trans_roll(
xfs_defer_trans_abort(*tp, dop, error);
return error;
}
dop->dop_committed = true;
/* Rejoin the joined inodes. */
for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++)

1
fs/xfs/libxfs/xfs_defer.h
View File

@ -49,7 +49,6 @@ enum xfs_defer_ops_type {
#define XFS_DEFER_OPS_NR_BUFS 2 /* join up to two buffers */
struct xfs_defer_ops {
bool dop_committed; /* did any trans commit? */
bool dop_low; /* alloc in low mode */
struct list_head dop_intake; /* unlogged pending work */
struct list_head dop_pending; /* logged pending work */

8
fs/xfs/xfs_trace.h
View File

@ -2229,14 +2229,12 @@ DECLARE_EVENT_CLASS(xfs_defer_class,
TP_fast_assign(
__entry->dev = mp ? mp->m_super->s_dev : 0;
__entry->dop = dop;
__entry->committed = dop->dop_committed;
__entry->low = dop->dop_low;
__entry->caller_ip = caller_ip;
),
TP_printk("dev %d:%d ops %p committed %d low %d, caller %pS",
TP_printk("dev %d:%d ops %p low %d, caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->dop,
__entry->committed,
__entry->low,
(char *)__entry->caller_ip)
)
@ -2259,14 +2257,12 @@ DECLARE_EVENT_CLASS(xfs_defer_error_class,
TP_fast_assign(
__entry->dev = mp ? mp->m_super->s_dev : 0;
__entry->dop = dop;
__entry->committed = dop->dop_committed;
__entry->low = dop->dop_low;
__entry->error = error;
),
TP_printk("dev %d:%d ops %p committed %d low %d err %d",
TP_printk("dev %d:%d ops %p low %d err %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->dop,
__entry->committed,
__entry->low,
__entry->error)
)