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xfs: use direct calls for dquot IO completion

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Similar to inodes, we can call the dquot IO completion functions
directly from the buffer completion code, removing another user of
log item callbacks for IO completion processing.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@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:
Dave Chinner 2020-06-29 14:48:59 -07:00 committed by Darrick J. Wong
parent aac855ab1a
commit 6f5de1808e
3 changed files with 40 additions and 5 deletions
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18
fs/xfs/xfs_buf_item.c
View File

@ -15,6 +15,9 @@
#include "xfs_buf_item.h"
#include "xfs_inode.h"
#include "xfs_inode_item.h"
#include "xfs_quota.h"
#include "xfs_dquot_item.h"
#include "xfs_dquot.h"
#include "xfs_trans_priv.h"
#include "xfs_trace.h"
#include "xfs_log.h"
@ -1209,7 +1212,20 @@ void
xfs_buf_dquot_iodone(
struct xfs_buf *bp)
{
xfs_buf_run_callbacks(bp);
struct xfs_buf_log_item *blip = bp->b_log_item;
struct xfs_log_item *lip;
if (xfs_buf_had_callback_errors(bp))
return;
/* a newly allocated dquot buffer might have a log item attached */
if (blip) {
lip = &blip->bli_item;
lip->li_cb(bp, lip);
bp->b_log_item = NULL;
}
xfs_dquot_done(bp);
xfs_buf_ioend_finish(bp);
}

18
fs/xfs/xfs_dquot.c
View File

@ -1048,9 +1048,8 @@ xfs_qm_dqrele(
* from the AIL if it has not been re-logged, and unlocking the dquot's
* flush lock. This behavior is very similar to that of inodes..
*/
STATIC void
static void
xfs_qm_dqflush_done(
struct xfs_buf *bp,
struct xfs_log_item *lip)
{
struct xfs_dq_logitem *qip = (struct xfs_dq_logitem *)lip;
@ -1091,6 +1090,18 @@ xfs_qm_dqflush_done(
xfs_dqfunlock(dqp);
}
void
xfs_dquot_done(
struct xfs_buf *bp)
{
struct xfs_log_item *lip, *n;
list_for_each_entry_safe(lip, n, &bp->b_li_list, li_bio_list) {
list_del_init(&lip->li_bio_list);
xfs_qm_dqflush_done(lip);
}
}
/*
* Write a modified dquot to disk.
* The dquot must be locked and the flush lock too taken by caller.
@ -1180,8 +1191,7 @@ xfs_qm_dqflush(
* AIL and release the flush lock once the dquot is synced to disk.
*/
bp->b_flags |= _XBF_DQUOTS;
xfs_buf_attach_iodone(bp, xfs_qm_dqflush_done,
&dqp->q_logitem.qli_item);
xfs_buf_attach_iodone(bp, NULL, &dqp->q_logitem.qli_item);
/*
* If the buffer is pinned then push on the log so we won't

9
fs/xfs/xfs_quota.h
View File

@ -13,6 +13,7 @@
*/
struct xfs_trans;
struct xfs_buf;
/*
* This check is done typically without holding the inode lock;
@ -107,6 +108,8 @@ extern void xfs_qm_mount_quotas(struct xfs_mount *);
extern void xfs_qm_unmount(struct xfs_mount *);
extern void xfs_qm_unmount_quotas(struct xfs_mount *);
void xfs_dquot_done(struct xfs_buf *);
#else
static inline int
xfs_qm_vop_dqalloc(struct xfs_inode *ip, kuid_t kuid, kgid_t kgid,
@ -148,6 +151,12 @@ static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp,
#define xfs_qm_mount_quotas(mp)
#define xfs_qm_unmount(mp)
#define xfs_qm_unmount_quotas(mp)
static inline void xfs_dquot_done(struct xfs_buf *bp)
{
return;
}
#endif /* CONFIG_XFS_QUOTA */
#define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \