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-rw-r--r--fs/xfs/xfs_bmap_item.c4
-rw-r--r--fs/xfs/xfs_buf_item.c4
-rw-r--r--fs/xfs/xfs_dquot.c7
-rw-r--r--fs/xfs/xfs_dquot_item.c2
-rw-r--r--fs/xfs/xfs_extfree_item.c4
-rw-r--r--fs/xfs/xfs_icache.c3
-rw-r--r--fs/xfs/xfs_icreate_item.c2
-rw-r--r--fs/xfs/xfs_inode.c4
-rw-r--r--fs/xfs/xfs_inode_item.c8
-rw-r--r--fs/xfs/xfs_log.c2
-rw-r--r--fs/xfs/xfs_qm.c2
-rw-r--r--fs/xfs/xfs_refcount_item.c4
-rw-r--r--fs/xfs/xfs_rmap_item.c4
-rw-r--r--fs/xfs/xfs_trace.h6
-rw-r--r--fs/xfs/xfs_trans.c4
-rw-r--r--fs/xfs/xfs_trans.h19
-rw-r--r--fs/xfs/xfs_trans_ail.c9
-rw-r--r--fs/xfs/xfs_trans_buf.c2
-rw-r--r--fs/xfs/xfs_trans_priv.h10
19 files changed, 52 insertions, 48 deletions
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 2203465e63ea..618bb71535c8 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -160,7 +160,7 @@ STATIC void
xfs_bui_item_unlock(
struct xfs_log_item *lip)
{
- if (lip->li_flags & XFS_LI_ABORTED)
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags))
xfs_bui_release(BUI_ITEM(lip));
}
@@ -305,7 +305,7 @@ xfs_bud_item_unlock(
{
struct xfs_bud_log_item *budp = BUD_ITEM(lip);
- if (lip->li_flags & XFS_LI_ABORTED) {
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags)) {
xfs_bui_release(budp->bud_buip);
kmem_zone_free(xfs_bud_zone, budp);
}
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 82ad270e390e..df62082f2204 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -568,13 +568,15 @@ xfs_buf_item_unlock(
{
struct xfs_buf_log_item *bip = BUF_ITEM(lip);
struct xfs_buf *bp = bip->bli_buf;
- bool aborted = !!(lip->li_flags & XFS_LI_ABORTED);
+ bool aborted;
bool hold = !!(bip->bli_flags & XFS_BLI_HOLD);
bool dirty = !!(bip->bli_flags & XFS_BLI_DIRTY);
#if defined(DEBUG) || defined(XFS_WARN)
bool ordered = !!(bip->bli_flags & XFS_BLI_ORDERED);
#endif
+ aborted = test_bit(XFS_LI_ABORTED, &lip->li_flags);
+
/* Clear the buffer's association with this transaction. */
bp->b_transp = NULL;
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index d0880c1add41..4ca9c39879ae 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -913,9 +913,9 @@ xfs_qm_dqflush_done(
* since it's cheaper, and then we recheck while
* holding the lock before removing the dquot from the AIL.
*/
- if ((lip->li_flags & XFS_LI_IN_AIL) &&
+ if (test_bit(XFS_LI_IN_AIL, &lip->li_flags) &&
((lip->li_lsn == qip->qli_flush_lsn) ||
- (lip->li_flags & XFS_LI_FAILED))) {
+ test_bit(XFS_LI_FAILED, &lip->li_flags))) {
/* xfs_trans_ail_delete() drops the AIL lock. */
spin_lock(&ailp->ail_lock);
@@ -926,8 +926,7 @@ xfs_qm_dqflush_done(
* Clear the failed state since we are about to drop the
* flush lock
*/
- if (lip->li_flags & XFS_LI_FAILED)
- xfs_clear_li_failed(lip);
+ xfs_clear_li_failed(lip);
spin_unlock(&ailp->ail_lock);
}
}
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 4b331e354da7..57df98122156 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -173,7 +173,7 @@ xfs_qm_dquot_logitem_push(
* The buffer containing this item failed to be written back
* previously. Resubmit the buffer for IO
*/
- if (lip->li_flags & XFS_LI_FAILED) {
+ if (test_bit(XFS_LI_FAILED, &lip->li_flags)) {
if (!xfs_buf_trylock(bp))
return XFS_ITEM_LOCKED;
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index b5b1e567b9f4..70b7d48af6d6 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -168,7 +168,7 @@ STATIC void
xfs_efi_item_unlock(
struct xfs_log_item *lip)
{
- if (lip->li_flags & XFS_LI_ABORTED)
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags))
xfs_efi_release(EFI_ITEM(lip));
}
@@ -402,7 +402,7 @@ xfs_efd_item_unlock(
{
struct xfs_efd_log_item *efdp = EFD_ITEM(lip);
- if (lip->li_flags & XFS_LI_ABORTED) {
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags)) {
xfs_efi_release(efdp->efd_efip);
xfs_efd_item_free(efdp);
}
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 817899961f48..9deff136c5b9 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -107,7 +107,8 @@ xfs_inode_free_callback(
xfs_idestroy_fork(ip, XFS_COW_FORK);
if (ip->i_itemp) {
- ASSERT(!(ip->i_itemp->ili_item.li_flags & XFS_LI_IN_AIL));
+ ASSERT(!test_bit(XFS_LI_IN_AIL,
+ &ip->i_itemp->ili_item.li_flags));
xfs_inode_item_destroy(ip);
ip->i_itemp = NULL;
}
diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c
index 865ad1373e5e..a99a0f8aa528 100644
--- a/fs/xfs/xfs_icreate_item.c
+++ b/fs/xfs/xfs_icreate_item.c
@@ -91,7 +91,7 @@ xfs_icreate_item_unlock(
{
struct xfs_icreate_item *icp = ICR_ITEM(lip);
- if (icp->ic_item.li_flags & XFS_LI_ABORTED)
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags))
kmem_zone_free(xfs_icreate_zone, icp);
return;
}
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index d9b91606d2a3..42781bae6794 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -498,7 +498,7 @@ again:
if (!try_lock) {
for (j = (i - 1); j >= 0 && !try_lock; j--) {
lp = (xfs_log_item_t *)ips[j]->i_itemp;
- if (lp && (lp->li_flags & XFS_LI_IN_AIL))
+ if (lp && test_bit(XFS_LI_IN_AIL, &lp->li_flags))
try_lock++;
}
}
@@ -598,7 +598,7 @@ xfs_lock_two_inodes(
* and try again.
*/
lp = (xfs_log_item_t *)ip0->i_itemp;
- if (lp && (lp->li_flags & XFS_LI_IN_AIL)) {
+ if (lp && test_bit(XFS_LI_IN_AIL, &lp->li_flags)) {
if (!xfs_ilock_nowait(ip1, xfs_lock_inumorder(ip1_mode, 1))) {
xfs_iunlock(ip0, ip0_mode);
if ((++attempts % 5) == 0)
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 34b91b789702..3e5b8574818e 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -518,7 +518,7 @@ xfs_inode_item_push(
* The buffer containing this item failed to be written back
* previously. Resubmit the buffer for IO.
*/
- if (lip->li_flags & XFS_LI_FAILED) {
+ if (test_bit(XFS_LI_FAILED, &lip->li_flags)) {
if (!xfs_buf_trylock(bp))
return XFS_ITEM_LOCKED;
@@ -729,14 +729,14 @@ xfs_iflush_done(
*/
iip = INODE_ITEM(blip);
if ((iip->ili_logged && blip->li_lsn == iip->ili_flush_lsn) ||
- (blip->li_flags & XFS_LI_FAILED))
+ test_bit(XFS_LI_FAILED, &blip->li_flags))
need_ail++;
}
/* make sure we capture the state of the initial inode. */
iip = INODE_ITEM(lip);
if ((iip->ili_logged && lip->li_lsn == iip->ili_flush_lsn) ||
- lip->li_flags & XFS_LI_FAILED)
+ test_bit(XFS_LI_FAILED, &lip->li_flags))
need_ail++;
/*
@@ -803,7 +803,7 @@ xfs_iflush_abort(
xfs_inode_log_item_t *iip = ip->i_itemp;
if (iip) {
- if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
+ if (test_bit(XFS_LI_IN_AIL, &iip->ili_item.li_flags)) {
xfs_trans_ail_remove(&iip->ili_item,
stale ? SHUTDOWN_LOG_IO_ERROR :
SHUTDOWN_CORRUPT_INCORE);
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 2fcd9ed5d075..e427864434c1 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -2132,7 +2132,7 @@ xlog_print_trans(
xfs_warn(mp, "log item: ");
xfs_warn(mp, " type = 0x%x", lip->li_type);
- xfs_warn(mp, " flags = 0x%x", lip->li_flags);
+ xfs_warn(mp, " flags = 0x%lx", lip->li_flags);
if (!lv)
continue;
xfs_warn(mp, " niovecs = %d", lv->lv_niovecs);
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index c72a8da55703..62764f3e35e2 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -173,7 +173,7 @@ xfs_qm_dqpurge(
ASSERT(atomic_read(&dqp->q_pincount) == 0);
ASSERT(XFS_FORCED_SHUTDOWN(mp) ||
- !(dqp->q_logitem.qli_item.li_flags & XFS_LI_IN_AIL));
+ !test_bit(XFS_LI_IN_AIL, &dqp->q_logitem.qli_item.li_flags));
xfs_dqfunlock(dqp);
xfs_dqunlock(dqp);
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index 15c9393dd7a7..e5866b714d5f 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -159,7 +159,7 @@ STATIC void
xfs_cui_item_unlock(
struct xfs_log_item *lip)
{
- if (lip->li_flags & XFS_LI_ABORTED)
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags))
xfs_cui_release(CUI_ITEM(lip));
}
@@ -310,7 +310,7 @@ xfs_cud_item_unlock(
{
struct xfs_cud_log_item *cudp = CUD_ITEM(lip);
- if (lip->li_flags & XFS_LI_ABORTED) {
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags)) {
xfs_cui_release(cudp->cud_cuip);
kmem_zone_free(xfs_cud_zone, cudp);
}
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 06a07846c9b3..e5b5b3e7ef82 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -158,7 +158,7 @@ STATIC void
xfs_rui_item_unlock(
struct xfs_log_item *lip)
{
- if (lip->li_flags & XFS_LI_ABORTED)
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags))
xfs_rui_release(RUI_ITEM(lip));
}
@@ -331,7 +331,7 @@ xfs_rud_item_unlock(
{
struct xfs_rud_log_item *rudp = RUD_ITEM(lip);
- if (lip->li_flags & XFS_LI_ABORTED) {
+ if (test_bit(XFS_LI_ABORTED, &lip->li_flags)) {
xfs_rui_release(rudp->rud_ruip);
kmem_zone_free(xfs_rud_zone, rudp);
}
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 24892259301e..989708d06e10 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -442,7 +442,7 @@ DECLARE_EVENT_CLASS(xfs_buf_item_class,
__field(int, bli_refcount)
__field(unsigned, bli_flags)
__field(void *, li_desc)
- __field(unsigned, li_flags)
+ __field(unsigned long, li_flags)
),
TP_fast_assign(
__entry->dev = bip->bli_buf->b_target->bt_dev;
@@ -1018,7 +1018,7 @@ DECLARE_EVENT_CLASS(xfs_log_item_class,
__field(dev_t, dev)
__field(void *, lip)
__field(uint, type)
- __field(uint, flags)
+ __field(unsigned long, flags)
__field(xfs_lsn_t, lsn)
),
TP_fast_assign(
@@ -1070,7 +1070,7 @@ DECLARE_EVENT_CLASS(xfs_ail_class,
__field(dev_t, dev)
__field(void *, lip)
__field(uint, type)
- __field(uint, flags)
+ __field(unsigned long, flags)
__field(xfs_lsn_t, old_lsn)
__field(xfs_lsn_t, new_lsn)
),
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 06adb1a3e31f..83f2032641cf 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -792,7 +792,7 @@ xfs_trans_free_items(
if (commit_lsn != NULLCOMMITLSN)
lip->li_ops->iop_committing(lip, commit_lsn);
if (abort)
- lip->li_flags |= XFS_LI_ABORTED;
+ set_bit(XFS_LI_ABORTED, &lip->li_flags);
lip->li_ops->iop_unlock(lip);
xfs_trans_free_item_desc(lidp);
@@ -863,7 +863,7 @@ xfs_trans_committed_bulk(
xfs_lsn_t item_lsn;
if (aborted)
- lip->li_flags |= XFS_LI_ABORTED;
+ set_bit(XFS_LI_ABORTED, &lip->li_flags);
item_lsn = lip->li_ops->iop_committed(lip, commit_lsn);
/* item_lsn of -1 means the item needs no further processing */
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 834388c2c9de..ca449036f820 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -48,7 +48,7 @@ typedef struct xfs_log_item {
struct xfs_mount *li_mountp; /* ptr to fs mount */
struct xfs_ail *li_ailp; /* ptr to AIL */
uint li_type; /* item type */
- uint li_flags; /* misc flags */
+ unsigned long li_flags; /* misc flags */
struct xfs_buf *li_buf; /* real buffer pointer */
struct list_head li_bio_list; /* buffer item list */
void (*li_cb)(struct xfs_buf *,
@@ -64,14 +64,19 @@ typedef struct xfs_log_item {
xfs_lsn_t li_seq; /* CIL commit seq */
} xfs_log_item_t;
-#define XFS_LI_IN_AIL 0x1
-#define XFS_LI_ABORTED 0x2
-#define XFS_LI_FAILED 0x4
+/*
+ * li_flags use the (set/test/clear)_bit atomic interfaces because updates can
+ * race with each other and we don't want to have to use the AIL lock to
+ * serialise all updates.
+ */
+#define XFS_LI_IN_AIL 0
+#define XFS_LI_ABORTED 1
+#define XFS_LI_FAILED 2
#define XFS_LI_FLAGS \
- { XFS_LI_IN_AIL, "IN_AIL" }, \
- { XFS_LI_ABORTED, "ABORTED" }, \
- { XFS_LI_FAILED, "FAILED" }
+ { (1 << XFS_LI_IN_AIL), "IN_AIL" }, \
+ { (1 << XFS_LI_ABORTED), "ABORTED" }, \
+ { (1 << XFS_LI_FAILED), "FAILED" }
struct xfs_item_ops {
void (*iop_size)(xfs_log_item_t *, int *, int *);
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index d4a2445215e6..50611d2bcbc2 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -46,7 +46,7 @@ xfs_ail_check(
/*
* Check the next and previous entries are valid.
*/
- ASSERT((lip->li_flags & XFS_LI_IN_AIL) != 0);
+ ASSERT(test_bit(XFS_LI_IN_AIL, &lip->li_flags));
prev_lip = list_entry(lip->li_ail.prev, xfs_log_item_t, li_ail);
if (&prev_lip->li_ail != &ailp->ail_head)
ASSERT(XFS_LSN_CMP(prev_lip->li_lsn, lip->li_lsn) <= 0);
@@ -684,7 +684,7 @@ xfs_trans_ail_update_bulk(
for (i = 0; i < nr_items; i++) {
struct xfs_log_item *lip = log_items[i];
- if (lip->li_flags & XFS_LI_IN_AIL) {
+ if (test_and_set_bit(XFS_LI_IN_AIL, &lip->li_flags)) {
/* check if we really need to move the item */
if (XFS_LSN_CMP(lsn, lip->li_lsn) <= 0)
continue;
@@ -694,7 +694,6 @@ xfs_trans_ail_update_bulk(
if (mlip == lip)
mlip_changed = 1;
} else {
- lip->li_flags |= XFS_LI_IN_AIL;
trace_xfs_ail_insert(lip, 0, lsn);
}
lip->li_lsn = lsn;
@@ -725,7 +724,7 @@ xfs_ail_delete_one(
trace_xfs_ail_delete(lip, mlip->li_lsn, lip->li_lsn);
xfs_ail_delete(ailp, lip);
xfs_clear_li_failed(lip);
- lip->li_flags &= ~XFS_LI_IN_AIL;
+ clear_bit(XFS_LI_IN_AIL, &lip->li_flags);
lip->li_lsn = 0;
return mlip == lip;
@@ -761,7 +760,7 @@ xfs_trans_ail_delete(
struct xfs_mount *mp = ailp->ail_mount;
bool mlip_changed;
- if (!(lip->li_flags & XFS_LI_IN_AIL)) {
+ if (!test_bit(XFS_LI_IN_AIL, &lip->li_flags)) {
spin_unlock(&ailp->ail_lock);
if (!XFS_FORCED_SHUTDOWN(mp)) {
xfs_alert_tag(mp, XFS_PTAG_AILDELETE,
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index a5d9dfc45d98..0081e9b3decf 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -442,7 +442,7 @@ xfs_trans_brelse(
ASSERT(bp->b_pincount == 0);
***/
ASSERT(atomic_read(&bip->bli_refcount) == 0);
- ASSERT(!(bip->bli_item.li_flags & XFS_LI_IN_AIL));
+ ASSERT(!test_bit(XFS_LI_IN_AIL, &bip->bli_item.li_flags));
ASSERT(!(bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF));
xfs_buf_item_relse(bp);
}
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index be24b0c8a332..43f773297b9d 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -119,7 +119,7 @@ xfs_trans_ail_remove(
spin_lock(&ailp->ail_lock);
/* xfs_trans_ail_delete() drops the AIL lock */
- if (lip->li_flags & XFS_LI_IN_AIL)
+ if (test_bit(XFS_LI_IN_AIL, &lip->li_flags))
xfs_trans_ail_delete(ailp, lip, shutdown_type);
else
spin_unlock(&ailp->ail_lock);
@@ -171,11 +171,10 @@ xfs_clear_li_failed(
{
struct xfs_buf *bp = lip->li_buf;
- ASSERT(lip->li_flags & XFS_LI_IN_AIL);
+ ASSERT(test_bit(XFS_LI_IN_AIL, &lip->li_flags));
lockdep_assert_held(&lip->li_ailp->ail_lock);
- if (lip->li_flags & XFS_LI_FAILED) {
- lip->li_flags &= ~XFS_LI_FAILED;
+ if (test_and_clear_bit(XFS_LI_FAILED, &lip->li_flags)) {
lip->li_buf = NULL;
xfs_buf_rele(bp);
}
@@ -188,9 +187,8 @@ xfs_set_li_failed(
{
lockdep_assert_held(&lip->li_ailp->ail_lock);
- if (!(lip->li_flags & XFS_LI_FAILED)) {
+ if (!test_and_set_bit(XFS_LI_FAILED, &lip->li_flags)) {
xfs_buf_hold(bp);
- lip->li_flags |= XFS_LI_FAILED;
lip->li_buf = bp;
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.