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-rw-r--r--fs/xfs/xfs_log.c4
-rw-r--r--fs/xfs/xfs_log_recover.c15
-rw-r--r--fs/xfs/xfs_trans.h1
-rw-r--r--fs/xfs/xfs_trans_ail.c117
-rw-r--r--fs/xfs/xfs_trans_priv.h13
5 files changed, 58 insertions, 92 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4184085d44af..31fbb2eea092 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -909,7 +909,7 @@ xfs_log_need_covered(xfs_mount_t *mp)
spin_lock(&log->l_icloglock);
if (((log->l_covered_state == XLOG_STATE_COVER_NEED) ||
(log->l_covered_state == XLOG_STATE_COVER_NEED2))
- && !xfs_trans_first_ail(mp, NULL)
+ && !xfs_trans_ail_tail(mp->m_ail)
&& xlog_iclogs_empty(log)) {
if (log->l_covered_state == XLOG_STATE_COVER_NEED)
log->l_covered_state = XLOG_STATE_COVER_DONE;
@@ -946,7 +946,7 @@ xlog_assign_tail_lsn(xfs_mount_t *mp)
xfs_lsn_t tail_lsn;
xlog_t *log = mp->m_log;
- tail_lsn = xfs_trans_tail_ail(mp);
+ tail_lsn = xfs_trans_ail_tail(mp->m_ail);
spin_lock(&log->l_grant_lock);
if (tail_lsn != 0) {
log->l_tail_lsn = tail_lsn;
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 37ba4899f3e6..45ea0d950138 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2728,8 +2728,7 @@ xlog_recover_do_efd_trans(
*/
mp = log->l_mp;
spin_lock(&mp->m_ail_lock);
- xfs_trans_ail_cursor_init(mp->m_ail, &cur);
- lip = xfs_trans_first_ail(mp, &cur);
+ lip = xfs_trans_ail_cursor_first(mp->m_ail, &cur, 0);
while (lip != NULL) {
if (lip->li_type == XFS_LI_EFI) {
efip = (xfs_efi_log_item_t *)lip;
@@ -2744,7 +2743,7 @@ xlog_recover_do_efd_trans(
break;
}
}
- lip = xfs_trans_next_ail(mp, &cur);
+ lip = xfs_trans_ail_cursor_next(mp->m_ail, &cur);
}
xfs_trans_ail_cursor_done(mp->m_ail, &cur);
spin_unlock(&mp->m_ail_lock);
@@ -3061,8 +3060,7 @@ xlog_recover_process_efis(
mp = log->l_mp;
spin_lock(&mp->m_ail_lock);
- xfs_trans_ail_cursor_init(mp->m_ail, &cur);
- lip = xfs_trans_first_ail(mp, &cur);
+ lip = xfs_trans_ail_cursor_first(mp->m_ail, &cur, 0);
while (lip != NULL) {
/*
* We're done when we see something other than an EFI.
@@ -3070,7 +3068,8 @@ xlog_recover_process_efis(
*/
if (lip->li_type != XFS_LI_EFI) {
#ifdef DEBUG
- for (; lip; lip = xfs_trans_next_ail(mp, &cur))
+ for (; lip;
+ lip = xfs_trans_ail_cursor_next(mp->m_ail, &cur))
ASSERT(lip->li_type != XFS_LI_EFI);
#endif
break;
@@ -3081,7 +3080,7 @@ xlog_recover_process_efis(
*/
efip = (xfs_efi_log_item_t *)lip;
if (efip->efi_flags & XFS_EFI_RECOVERED) {
- lip = xfs_trans_next_ail(mp, &cur);
+ lip = xfs_trans_ail_cursor_next(mp->m_ail, &cur);
continue;
}
@@ -3090,7 +3089,7 @@ xlog_recover_process_efis(
spin_lock(&mp->m_ail_lock);
if (error)
goto out;
- lip = xfs_trans_next_ail(mp, &cur);
+ lip = xfs_trans_ail_cursor_next(mp->m_ail, &cur);
}
out:
xfs_trans_ail_cursor_done(mp->m_ail, &cur);
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 1d89d50a5b99..ae2ae3e020d6 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -971,7 +971,6 @@ void xfs_trans_cancel(xfs_trans_t *, int);
int xfs_trans_ail_init(struct xfs_mount *);
void xfs_trans_ail_destroy(struct xfs_mount *);
void xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);
-xfs_lsn_t xfs_trans_tail_ail(struct xfs_mount *);
void xfs_trans_unlocked_item(struct xfs_mount *,
xfs_log_item_t *);
xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp,
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 7b8bfcf1d3da..286934d56ec7 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -50,20 +50,20 @@ STATIC void xfs_ail_check(struct xfs_ail *, xfs_log_item_t *);
* lsn of the last item in the AIL.
*/
xfs_lsn_t
-xfs_trans_tail_ail(
- xfs_mount_t *mp)
+xfs_trans_ail_tail(
+ struct xfs_ail *ailp)
{
xfs_lsn_t lsn;
xfs_log_item_t *lip;
- spin_lock(&mp->m_ail_lock);
- lip = xfs_ail_min(mp->m_ail);
+ spin_lock(&ailp->xa_mount->m_ail_lock);
+ lip = xfs_ail_min(ailp);
if (lip == NULL) {
lsn = (xfs_lsn_t)0;
} else {
lsn = lip->li_lsn;
}
- spin_unlock(&mp->m_ail_lock);
+ spin_unlock(&ailp->xa_mount->m_ail_lock);
return lsn;
}
@@ -111,7 +111,7 @@ xfs_trans_push_ail(
* We don't link the push cursor because it is embedded in the struct
* xfs_ail and hence easily findable.
*/
-void
+STATIC void
xfs_trans_ail_cursor_init(
struct xfs_ail *ailp,
struct xfs_ail_cursor *cur)
@@ -143,7 +143,7 @@ xfs_trans_ail_cursor_set(
* If the cursor was invalidated (inidicated by a lip of 1),
* restart the traversal.
*/
-STATIC struct xfs_log_item *
+struct xfs_log_item *
xfs_trans_ail_cursor_next(
struct xfs_ail *ailp,
struct xfs_ail_cursor *cur)
@@ -157,30 +157,6 @@ xfs_trans_ail_cursor_next(
}
/*
- * Invalidate any cursor that is pointing to this item. This is
- * called when an item is removed from the AIL. Any cursor pointing
- * to this object is now invalid and the traversal needs to be
- * terminated so it doesn't reference a freed object. We set the
- * cursor item to a value of 1 so we can distinguish between an
- * invalidation and the end of the list when getting the next item
- * from the cursor.
- */
-STATIC void
-xfs_trans_ail_cursor_clear(
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_ail_cursor *cur;
-
- /* need to search all cursors */
- for (cur = &ailp->xa_cursors; cur; cur = cur->next) {
- if (cur->item == lip)
- cur->item = (struct xfs_log_item *)
- ((__psint_t)cur->item | 1);
- }
-}
-
-/*
* Now that the traversal is complete, we need to remove the cursor
* from the list of traversing cursors. Avoid removing the embedded
* push cursor, but use the fact it is alway present to make the
@@ -208,31 +184,55 @@ xfs_trans_ail_cursor_done(
}
/*
+ * Invalidate any cursor that is pointing to this item. This is
+ * called when an item is removed from the AIL. Any cursor pointing
+ * to this object is now invalid and the traversal needs to be
+ * terminated so it doesn't reference a freed object. We set the
+ * cursor item to a value of 1 so we can distinguish between an
+ * invalidation and the end of the list when getting the next item
+ * from the cursor.
+ */
+STATIC void
+xfs_trans_ail_cursor_clear(
+ struct xfs_ail *ailp,
+ struct xfs_log_item *lip)
+{
+ struct xfs_ail_cursor *cur;
+
+ /* need to search all cursors */
+ for (cur = &ailp->xa_cursors; cur; cur = cur->next) {
+ if (cur->item == lip)
+ cur->item = (struct xfs_log_item *)
+ ((__psint_t)cur->item | 1);
+ }
+}
+
+/*
* Return the item in the AIL with the current lsn.
* Return the current tree generation number for use
* in calls to xfs_trans_next_ail().
*/
-STATIC xfs_log_item_t *
-xfs_trans_first_push_ail(
+xfs_log_item_t *
+xfs_trans_ail_cursor_first(
struct xfs_ail *ailp,
struct xfs_ail_cursor *cur,
xfs_lsn_t lsn)
{
xfs_log_item_t *lip;
+ xfs_trans_ail_cursor_init(ailp, cur);
lip = xfs_ail_min(ailp);
- xfs_trans_ail_cursor_set(ailp, cur, lip);
if (lsn == 0)
- return lip;
+ goto out;
list_for_each_entry(lip, &ailp->xa_ail, li_ail) {
- if (XFS_LSN_CMP(lip->li_lsn, lsn) >= 0) {
- xfs_trans_ail_cursor_set(ailp, cur, lip);
- return lip;
- }
+ if (XFS_LSN_CMP(lip->li_lsn, lsn) >= 0)
+ break;
}
-
- return NULL;
+ lip = NULL;
+out:
+ xfs_trans_ail_cursor_set(ailp, cur, lip);
+ return lip;
}
/*
@@ -254,7 +254,7 @@ xfsaild_push(
spin_lock(&mp->m_ail_lock);
xfs_trans_ail_cursor_init(ailp, cur);
- lip = xfs_trans_first_push_ail(ailp, cur, *last_lsn);
+ lip = xfs_trans_ail_cursor_first(ailp, cur, *last_lsn);
if (!lip || XFS_FORCED_SHUTDOWN(mp)) {
/*
* AIL is empty or our push has reached the end.
@@ -552,39 +552,6 @@ xfs_trans_delete_ail(
/*
- * Return the item in the AIL with the smallest lsn.
- * Return the current tree generation number for use
- * in calls to xfs_trans_next_ail().
- */
-xfs_log_item_t *
-xfs_trans_first_ail(
- struct xfs_mount *mp,
- struct xfs_ail_cursor *cur)
-{
- xfs_log_item_t *lip;
- struct xfs_ail *ailp = mp->m_ail;
-
- lip = xfs_ail_min(ailp);
- xfs_trans_ail_cursor_set(ailp, cur, lip);
-
- return lip;
-}
-
-/*
- * Grab the next item in the AIL from the cursor passed in.
- */
-xfs_log_item_t *
-xfs_trans_next_ail(
- struct xfs_mount *mp,
- struct xfs_ail_cursor *cur)
-{
- struct xfs_ail *ailp = mp->m_ail;
-
- return xfs_trans_ail_cursor_next(ailp, cur);
-}
-
-
-/*
* The active item list (AIL) is a doubly linked list of log
* items sorted by ascending lsn. The base of the list is
* a forw/back pointer pair embedded in the xfs mount structure.
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index f114d388570a..aa5853502529 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -90,14 +90,15 @@ void xfs_trans_update_ail(struct xfs_mount *mp,
void xfs_trans_delete_ail(struct xfs_mount *mp,
struct xfs_log_item *lip)
__releases(mp->m_ail_lock);
-struct xfs_log_item *xfs_trans_first_ail(struct xfs_mount *mp,
- struct xfs_ail_cursor *cur);
-struct xfs_log_item *xfs_trans_next_ail(struct xfs_mount *mp,
- struct xfs_ail_cursor *cur);
-void xfs_trans_ail_cursor_init(struct xfs_ail *ailp,
+xfs_lsn_t xfs_trans_ail_tail(struct xfs_ail *ailp);
+
+struct xfs_log_item *xfs_trans_ail_cursor_first(struct xfs_ail *ailp,
+ struct xfs_ail_cursor *cur,
+ xfs_lsn_t lsn);
+struct xfs_log_item *xfs_trans_ail_cursor_next(struct xfs_ail *ailp,
struct xfs_ail_cursor *cur);
-void xfs_trans_ail_cursor_done(struct xfs_ail *ailp,
+void xfs_trans_ail_cursor_done(struct xfs_ail *ailp,
struct xfs_ail_cursor *cur);
long xfsaild_push(struct xfs_ail *, xfs_lsn_t *);