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Diffstat (limited to 'fs/xfs/xfs_buf_item.c')
-rw-r--r--fs/xfs/xfs_buf_item.c129
1 files changed, 66 insertions, 63 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 93899953c603..992d6be101cb 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -33,6 +33,12 @@
kmem_zone_t *xfs_buf_item_zone;
+static inline struct xfs_buf_log_item *BUF_ITEM(struct xfs_log_item *lip)
+{
+ return container_of(lip, struct xfs_buf_log_item, bli_item);
+}
+
+
#ifdef XFS_TRANS_DEBUG
/*
* This function uses an alternate strategy for tracking the bytes
@@ -150,12 +156,13 @@ STATIC void xfs_buf_do_callbacks(xfs_buf_t *bp, xfs_log_item_t *lip);
*/
STATIC uint
xfs_buf_item_size(
- xfs_buf_log_item_t *bip)
+ struct xfs_log_item *lip)
{
- uint nvecs;
- int next_bit;
- int last_bit;
- xfs_buf_t *bp;
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+ struct xfs_buf *bp = bip->bli_buf;
+ uint nvecs;
+ int next_bit;
+ int last_bit;
ASSERT(atomic_read(&bip->bli_refcount) > 0);
if (bip->bli_flags & XFS_BLI_STALE) {
@@ -169,7 +176,6 @@ xfs_buf_item_size(
return 1;
}
- bp = bip->bli_buf;
ASSERT(bip->bli_flags & XFS_BLI_LOGGED);
nvecs = 1;
last_bit = xfs_next_bit(bip->bli_format.blf_data_map,
@@ -218,13 +224,13 @@ xfs_buf_item_size(
*/
STATIC void
xfs_buf_item_format(
- xfs_buf_log_item_t *bip,
- xfs_log_iovec_t *log_vector)
+ struct xfs_log_item *lip,
+ struct xfs_log_iovec *vecp)
{
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+ struct xfs_buf *bp = bip->bli_buf;
uint base_size;
uint nvecs;
- xfs_log_iovec_t *vecp;
- xfs_buf_t *bp;
int first_bit;
int last_bit;
int next_bit;
@@ -234,8 +240,6 @@ xfs_buf_item_format(
ASSERT(atomic_read(&bip->bli_refcount) > 0);
ASSERT((bip->bli_flags & XFS_BLI_LOGGED) ||
(bip->bli_flags & XFS_BLI_STALE));
- bp = bip->bli_buf;
- vecp = log_vector;
/*
* The size of the base structure is the size of the
@@ -262,7 +266,7 @@ xfs_buf_item_format(
*/
if (bip->bli_flags & XFS_BLI_INODE_BUF) {
if (!((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
- xfs_log_item_in_current_chkpt(&bip->bli_item)))
+ xfs_log_item_in_current_chkpt(lip)))
bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
bip->bli_flags &= ~XFS_BLI_INODE_BUF;
}
@@ -365,21 +369,20 @@ xfs_buf_item_format(
STATIC void
xfs_buf_item_pin(
- xfs_buf_log_item_t *bip)
+ struct xfs_log_item *lip)
{
- xfs_buf_t *bp;
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
- bp = bip->bli_buf;
- ASSERT(XFS_BUF_ISBUSY(bp));
+ ASSERT(XFS_BUF_ISBUSY(bip->bli_buf));
ASSERT(atomic_read(&bip->bli_refcount) > 0);
ASSERT((bip->bli_flags & XFS_BLI_LOGGED) ||
(bip->bli_flags & XFS_BLI_STALE));
+
atomic_inc(&bip->bli_refcount);
trace_xfs_buf_item_pin(bip);
- xfs_bpin(bp);
+ xfs_bpin(bip->bli_buf);
}
-
/*
* This is called to unpin the buffer associated with the buf log
* item which was previously pinned with a call to xfs_buf_item_pin().
@@ -396,13 +399,14 @@ xfs_buf_item_pin(
*/
STATIC void
xfs_buf_item_unpin(
- xfs_buf_log_item_t *bip,
+ struct xfs_log_item *lip,
int remove)
{
- struct xfs_ail *ailp;
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
xfs_buf_t *bp = bip->bli_buf;
- int freed;
+ struct xfs_ail *ailp = lip->li_ailp;
int stale = bip->bli_flags & XFS_BLI_STALE;
+ int freed;
ASSERT(XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *) == bip);
ASSERT(atomic_read(&bip->bli_refcount) > 0);
@@ -410,8 +414,8 @@ xfs_buf_item_unpin(
trace_xfs_buf_item_unpin(bip);
freed = atomic_dec_and_test(&bip->bli_refcount);
- ailp = bip->bli_item.li_ailp;
xfs_bunpin(bp);
+
if (freed && stale) {
ASSERT(bip->bli_flags & XFS_BLI_STALE);
ASSERT(XFS_BUF_VALUSEMA(bp) <= 0);
@@ -429,7 +433,7 @@ xfs_buf_item_unpin(
* in xfs_trans_uncommit() will ry to reference the
* buffer which we no longer have a hold on.
*/
- xfs_trans_del_item(&bip->bli_item);
+ xfs_trans_del_item(lip);
/*
* Since the transaction no longer refers to the buffer,
@@ -468,11 +472,11 @@ xfs_buf_item_unpin(
*/
STATIC uint
xfs_buf_item_trylock(
- xfs_buf_log_item_t *bip)
+ struct xfs_log_item *lip)
{
- xfs_buf_t *bp;
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+ struct xfs_buf *bp = bip->bli_buf;
- bp = bip->bli_buf;
if (XFS_BUF_ISPINNED(bp))
return XFS_ITEM_PINNED;
if (!XFS_BUF_CPSEMA(bp))
@@ -509,13 +513,12 @@ xfs_buf_item_trylock(
*/
STATIC void
xfs_buf_item_unlock(
- xfs_buf_log_item_t *bip)
+ struct xfs_log_item *lip)
{
- int aborted;
- xfs_buf_t *bp;
- uint hold;
-
- bp = bip->bli_buf;
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+ struct xfs_buf *bp = bip->bli_buf;
+ int aborted;
+ uint hold;
/* Clear the buffer's association with this transaction. */
XFS_BUF_SET_FSPRIVATE2(bp, NULL);
@@ -526,7 +529,7 @@ xfs_buf_item_unlock(
* (cancelled) buffers at unpin time, but we'll never go through the
* pin/unpin cycle if we abort inside commit.
*/
- aborted = (bip->bli_item.li_flags & XFS_LI_ABORTED) != 0;
+ aborted = (lip->li_flags & XFS_LI_ABORTED) != 0;
/*
* Before possibly freeing the buf item, determine if we should
@@ -587,16 +590,16 @@ xfs_buf_item_unlock(
*/
STATIC xfs_lsn_t
xfs_buf_item_committed(
- xfs_buf_log_item_t *bip,
+ struct xfs_log_item *lip,
xfs_lsn_t lsn)
{
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+
trace_xfs_buf_item_committed(bip);
- if ((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
- (bip->bli_item.li_lsn != 0)) {
- return bip->bli_item.li_lsn;
- }
- return (lsn);
+ if ((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) && lip->li_lsn != 0)
+ return lip->li_lsn;
+ return lsn;
}
/*
@@ -606,15 +609,16 @@ xfs_buf_item_committed(
*/
STATIC void
xfs_buf_item_push(
- xfs_buf_log_item_t *bip)
+ struct xfs_log_item *lip)
{
- xfs_buf_t *bp;
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+ struct xfs_buf *bp = bip->bli_buf;
ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
+ ASSERT(!XFS_BUF_ISDELAYWRITE(bp));
+
trace_xfs_buf_item_push(bip);
- bp = bip->bli_buf;
- ASSERT(!XFS_BUF_ISDELAYWRITE(bp));
xfs_buf_relse(bp);
}
@@ -626,22 +630,24 @@ xfs_buf_item_push(
*/
STATIC void
xfs_buf_item_pushbuf(
- xfs_buf_log_item_t *bip)
+ struct xfs_log_item *lip)
{
- xfs_buf_t *bp;
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+ struct xfs_buf *bp = bip->bli_buf;
ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
+ ASSERT(XFS_BUF_ISDELAYWRITE(bp));
+
trace_xfs_buf_item_pushbuf(bip);
- bp = bip->bli_buf;
- ASSERT(XFS_BUF_ISDELAYWRITE(bp));
xfs_buf_delwri_promote(bp);
xfs_buf_relse(bp);
}
-/* ARGSUSED */
STATIC void
-xfs_buf_item_committing(xfs_buf_log_item_t *bip, xfs_lsn_t commit_lsn)
+xfs_buf_item_committing(
+ struct xfs_log_item *lip,
+ xfs_lsn_t commit_lsn)
{
}
@@ -649,19 +655,16 @@ xfs_buf_item_committing(xfs_buf_log_item_t *bip, xfs_lsn_t commit_lsn)
* This is the ops vector shared by all buf log items.
*/
static struct xfs_item_ops xfs_buf_item_ops = {
- .iop_size = (uint(*)(xfs_log_item_t*))xfs_buf_item_size,
- .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
- xfs_buf_item_format,
- .iop_pin = (void(*)(xfs_log_item_t*))xfs_buf_item_pin,
- .iop_unpin = (void(*)(xfs_log_item_t*, int))xfs_buf_item_unpin,
- .iop_trylock = (uint(*)(xfs_log_item_t*))xfs_buf_item_trylock,
- .iop_unlock = (void(*)(xfs_log_item_t*))xfs_buf_item_unlock,
- .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t))
- xfs_buf_item_committed,
- .iop_push = (void(*)(xfs_log_item_t*))xfs_buf_item_push,
- .iop_pushbuf = (void(*)(xfs_log_item_t*))xfs_buf_item_pushbuf,
- .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t))
- xfs_buf_item_committing
+ .iop_size = xfs_buf_item_size,
+ .iop_format = xfs_buf_item_format,
+ .iop_pin = xfs_buf_item_pin,
+ .iop_unpin = xfs_buf_item_unpin,
+ .iop_trylock = xfs_buf_item_trylock,
+ .iop_unlock = xfs_buf_item_unlock,
+ .iop_committed = xfs_buf_item_committed,
+ .iop_push = xfs_buf_item_push,
+ .iop_pushbuf = xfs_buf_item_pushbuf,
+ .iop_committing = xfs_buf_item_committing
};
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-17 09:23:30 +0000