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xfs: rename xfs_trans ->t_agfl_dfops to ->t_dfops 

The ->t_agfl_dfops field is currently used to defer agfl block frees
from associated transaction contexts. While all known problematic
contexts have already been updated to use ->t_agfl_dfops, the
broader goal is defer agfl frees from all callers that already use a
deferred operations structure. Further, the transaction field
facilitates a good amount of code clean up where the transaction and
dfops have historically been passed down through the stack
separately.

Rename the field to something more generic to prepare to use it as
such throughout XFS. This patch does not change behavior.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-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:
Brian Foster 2018-07-11 22:26:07 -07:00 committed by Darrick J. Wong
parent 8a74938649
commit 6aa6718439
6 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/xfs/libxfs/xfs_alloc.c
View File

@ -2323,8 +2323,8 @@ xfs_alloc_fix_freelist(
goto out_agbp_relse;
/* defer agfl frees if dfops is provided */
if (tp->t_agfl_dfops) {
xfs_defer_agfl_block(mp, tp->t_agfl_dfops, args->agno,
if (tp->t_dfops) {
xfs_defer_agfl_block(mp, tp->t_dfops, args->agno,
bno, &targs.oinfo);
} else {
error = xfs_free_agfl_block(tp, args->agno, bno, agbp,

8
fs/xfs/libxfs/xfs_defer.c
View File

@ -350,9 +350,9 @@ xfs_defer_finish(
* Note that this code can go away once all dfops users attach to the
* associated tp.
*/
ASSERT(!(*tp)->t_agfl_dfops || ((*tp)->t_agfl_dfops == dop));
orig_dop = (*tp)->t_agfl_dfops;
(*tp)->t_agfl_dfops = dop;
ASSERT(!(*tp)->t_dfops || ((*tp)->t_dfops == dop));
orig_dop = (*tp)->t_dfops;
(*tp)->t_dfops = dop;
/* Until we run out of pending work to finish... */
while (xfs_defer_has_unfinished_work(dop)) {
@ -425,7 +425,7 @@ xfs_defer_finish(
}
out:
(*tp)->t_agfl_dfops = orig_dop;
(*tp)->t_dfops = orig_dop;
if (error)
trace_xfs_defer_finish_error((*tp)->t_mountp, dop, error);
else

10
fs/xfs/xfs_inode.c
View File

@ -1196,7 +1196,7 @@ xfs_create(
unlock_dp_on_error = true;
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
tp->t_dfops = &dfops;
/*
* Reserve disk quota and the inode.
@ -1452,7 +1452,7 @@ xfs_link(
}
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
tp->t_dfops = &dfops;
/*
* Handle initial link state of O_TMPFILE inode
@ -1813,7 +1813,7 @@ xfs_inactive_ifree(
xfs_trans_ijoin(tp, ip, 0);
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
tp->t_dfops = &dfops;
error = xfs_ifree(tp, ip, &dfops);
if (error) {
/*
@ -2659,7 +2659,7 @@ xfs_remove(
goto out_trans_cancel;
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
tp->t_dfops = &dfops;
error = xfs_dir_removename(tp, dp, name, ip->i_ino,
&first_block, &dfops, resblks);
if (error) {
@ -3027,7 +3027,7 @@ xfs_rename(
}
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
tp->t_dfops = &dfops;
/* RENAME_EXCHANGE is unique from here on. */
if (flags & RENAME_EXCHANGE)

2
fs/xfs/xfs_symlink.c
View File

@ -247,7 +247,7 @@ xfs_symlink(
* bmapi or the directory create code.
*/
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
tp->t_dfops = &dfops;
/*
* Allocate an inode for the symlink.

6
fs/xfs/xfs_trans.c
View File

@ -118,7 +118,7 @@ xfs_trans_dup(
ntp->t_rtx_res = tp->t_rtx_res - tp->t_rtx_res_used;
tp->t_rtx_res = tp->t_rtx_res_used;
ntp->t_pflags = tp->t_pflags;
ntp->t_agfl_dfops = tp->t_agfl_dfops;
ntp->t_dfops = tp->t_dfops;
xfs_trans_dup_dqinfo(tp, ntp);
@ -914,8 +914,8 @@ __xfs_trans_commit(
int error = 0;
int sync = tp->t_flags & XFS_TRANS_SYNC;
ASSERT(!tp->t_agfl_dfops ||
!xfs_defer_has_unfinished_work(tp->t_agfl_dfops) || regrant);
ASSERT(!tp->t_dfops ||
!xfs_defer_has_unfinished_work(tp->t_dfops) || regrant);
trace_xfs_trans_commit(tp, _RET_IP_);

2
fs/xfs/xfs_trans.h
View File

@ -105,7 +105,7 @@ typedef struct xfs_trans {
struct xlog_ticket *t_ticket; /* log mgr ticket */
struct xfs_mount *t_mountp; /* ptr to fs mount struct */
struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
struct xfs_defer_ops *t_agfl_dfops; /* optional agfl fixup dfops */
struct xfs_defer_ops *t_dfops; /* dfops reference */
unsigned int t_flags; /* misc flags */
int64_t t_icount_delta; /* superblock icount change */
int64_t t_ifree_delta; /* superblock ifree change */