/*
- * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
-/*
- * This file contains the implementation of the xfs_buf_log_item.
- * It contains the item operations used to manipulate the buf log
- * items as well as utility routines used by the buffer specific
- * transaction routines.
- */
-
#include "xfs.h"
-
-#include "xfs_macros.h"
+#include "xfs_fs.h"
#include "xfs_types.h"
-#include "xfs_inum.h"
+#include "xfs_bit.h"
#include "xfs_log.h"
+#include "xfs_inum.h"
#include "xfs_trans.h"
-#include "xfs_buf_item.h"
#include "xfs_sb.h"
-#include "xfs_dir.h"
+#include "xfs_ag.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
+#include "xfs_buf_item.h"
#include "xfs_trans_priv.h"
-#include "xfs_rw.h"
-#include "xfs_bit.h"
#include "xfs_error.h"
}
/*
- * This function is called to verify that our caller's have logged
+ * This function is called to verify that our callers have logged
* all the bytes that they changed.
*
* It does this by comparing the original copy of the buffer stored in
* the buf log item's bli_orig array to the current copy of the buffer
- * and ensuring that all bytes which miscompare are set in the bli_logged
+ * and ensuring that all bytes which mismatch are set in the bli_logged
* array of the buf log item.
*/
STATIC void
*
* If the XFS_BLI_STALE flag has been set, then log nothing.
*/
-uint
+STATIC uint
xfs_buf_item_size(
xfs_buf_log_item_t *bip)
{
* format structure, and the rest point to contiguous chunks
* within the buffer.
*/
-void
+STATIC void
xfs_buf_item_format(
xfs_buf_log_item_t *bip,
xfs_log_iovec_t *log_vector)
ASSERT((bip->bli_flags & XFS_BLI_LOGGED) ||
(bip->bli_flags & XFS_BLI_STALE));
bp = bip->bli_buf;
- ASSERT(XFS_BUF_BP_ISMAPPED(bp));
vecp = log_vector;
/*
((bip->bli_format.blf_map_size - 1) * sizeof(uint)));
vecp->i_addr = (xfs_caddr_t)&bip->bli_format;
vecp->i_len = base_size;
+ XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BFORMAT);
vecp++;
nvecs = 1;
buffer_offset = first_bit * XFS_BLI_CHUNK;
vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
vecp->i_len = nbits * XFS_BLI_CHUNK;
+ XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BCHUNK);
nvecs++;
break;
} else if (next_bit != last_bit + 1) {
buffer_offset = first_bit * XFS_BLI_CHUNK;
vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
vecp->i_len = nbits * XFS_BLI_CHUNK;
+ XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BCHUNK);
nvecs++;
vecp++;
first_bit = next_bit;
buffer_offset = first_bit * XFS_BLI_CHUNK;
vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
vecp->i_len = nbits * XFS_BLI_CHUNK;
+ XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BCHUNK);
/* You would think we need to bump the nvecs here too, but we do not
* this number is used by recovery, and it gets confused by the boundary
* split here
* item in memory so it cannot be written out. Simply call bpin()
* on the buffer to do this.
*/
-void
+STATIC void
xfs_buf_item_pin(
xfs_buf_log_item_t *bip)
{
* If the XFS_BLI_STALE flag is set and we are the last reference,
* then free up the buf log item and unlock the buffer.
*/
-void
+STATIC void
xfs_buf_item_unpin(
xfs_buf_log_item_t *bip,
int stale)
{
- xfs_mount_t *mp;
+ struct xfs_ail *ailp;
xfs_buf_t *bp;
int freed;
- SPLDECL(s);
bp = bip->bli_buf;
ASSERT(bp != NULL);
xfs_buftrace("XFS_UNPIN", bp);
freed = atomic_dec_and_test(&bip->bli_refcount);
- mp = bip->bli_item.li_mountp;
+ ailp = bip->bli_item.li_ailp;
xfs_bunpin(bp);
if (freed && stale) {
ASSERT(bip->bli_flags & XFS_BLI_STALE);
xfs_buftrace("XFS_UNPIN STALE", bp);
/*
* If we get called here because of an IO error, we may
- * or may not have the item on the AIL. xfs_trans_delete_ail()
+ * or may not have the item on the AIL. xfs_trans_ail_delete()
* will take care of that situation.
- * xfs_trans_delete_ail() drops the AIL lock.
+ * xfs_trans_ail_delete() drops the AIL lock.
*/
if (bip->bli_flags & XFS_BLI_STALE_INODE) {
xfs_buf_do_callbacks(bp, (xfs_log_item_t *)bip);
XFS_BUF_SET_FSPRIVATE(bp, NULL);
XFS_BUF_CLR_IODONE_FUNC(bp);
} else {
- AIL_LOCK(mp,s);
- xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip, s);
+ spin_lock(&ailp->xa_lock);
+ xfs_trans_ail_delete(ailp, (xfs_log_item_t *)bip);
xfs_buf_item_relse(bp);
ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL);
}
* so we need to free the item's descriptor (that points to the item)
* in the transaction.
*/
-void
+STATIC void
xfs_buf_item_unpin_remove(
xfs_buf_log_item_t *bip,
xfs_trans_t *tp)
* the lock right away, return 0. If we can get the lock, pull the
* buffer from the free list, mark it busy, and return 1.
*/
-uint
+STATIC uint
xfs_buf_item_trylock(
xfs_buf_log_item_t *bip)
{
* This is for support of xfs_trans_bhold(). Make sure the
* XFS_BLI_HOLD field is cleared if we don't free the item.
*/
-void
+STATIC void
xfs_buf_item_unlock(
xfs_buf_log_item_t *bip)
{
* If the buf item isn't tracking any data, free it.
* Otherwise, if XFS_BLI_HOLD is set clear it.
*/
- if (xfs_count_bits(bip->bli_format.blf_data_map,
- bip->bli_format.blf_map_size, 0) == 0) {
+ if (xfs_bitmap_empty(bip->bli_format.blf_data_map,
+ bip->bli_format.blf_map_size)) {
xfs_buf_item_relse(bp);
} else if (hold) {
bip->bli_flags &= ~XFS_BLI_HOLD;
* by returning the original lsn of that transaction here rather than
* the current one.
*/
-xfs_lsn_t
+STATIC xfs_lsn_t
xfs_buf_item_committed(
xfs_buf_log_item_t *bip,
xfs_lsn_t lsn)
}
/*
- * This is called when the transaction holding the buffer is aborted.
- * Just behave as if the transaction had been cancelled. If we're shutting down
- * and have aborted this transaction, we'll trap this buffer when it tries to
- * get written out.
- */
-void
-xfs_buf_item_abort(
- xfs_buf_log_item_t *bip)
-{
- xfs_buf_t *bp;
-
- bp = bip->bli_buf;
- xfs_buftrace("XFS_ABORT", bp);
- XFS_BUF_SUPER_STALE(bp);
- xfs_buf_item_unlock(bip);
- return;
-}
-
-/*
* This is called to asynchronously write the buffer associated with this
* buf log item out to disk. The buffer will already have been locked by
* a successful call to xfs_buf_item_trylock(). If the buffer still has
* B_DELWRI set, then get it going out to disk with a call to bawrite().
* If not, then just release the buffer.
*/
-void
+STATIC void
xfs_buf_item_push(
xfs_buf_log_item_t *bip)
{
bp = bip->bli_buf;
if (XFS_BUF_ISDELAYWRITE(bp)) {
- xfs_bawrite(bip->bli_item.li_mountp, bp);
+ int error;
+ error = xfs_bawrite(bip->bli_item.li_mountp, bp);
+ if (error)
+ xfs_fs_cmn_err(CE_WARN, bip->bli_item.li_mountp,
+ "xfs_buf_item_push: pushbuf error %d on bip %p, bp %p",
+ error, bip, bp);
} else {
xfs_buf_relse(bp);
}
}
/* ARGSUSED */
-void
+STATIC void
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.
*/
-struct xfs_item_ops xfs_buf_item_ops = {
+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_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_abort = (void(*)(xfs_log_item_t*))xfs_buf_item_abort,
.iop_pushbuf = NULL,
.iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t))
xfs_buf_item_committing
* the first. If we do already have one, there is
* nothing to do here so return.
*/
- if (XFS_BUF_FSPRIVATE3(bp, xfs_mount_t *) != mp)
- XFS_BUF_SET_FSPRIVATE3(bp, mp);
+ if (bp->b_mount != mp)
+ bp->b_mount = mp;
XFS_BUF_SET_BDSTRAT_FUNC(bp, xfs_bdstrat_cb);
if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) {
lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
bip->bli_item.li_type = XFS_LI_BUF;
bip->bli_item.li_ops = &xfs_buf_item_ops;
bip->bli_item.li_mountp = mp;
+ bip->bli_item.li_ailp = mp->m_ail;
bip->bli_buf = bp;
+ xfs_buf_hold(bp);
bip->bli_format.blf_type = XFS_LI_BUF;
bip->bli_format.blf_blkno = (__int64_t)XFS_BUF_ADDR(bp);
bip->bli_format.blf_len = (ushort)BTOBB(XFS_BUF_COUNT(bp));
bip->bli_format.blf_map_size = map_size;
#ifdef XFS_BLI_TRACE
- bip->bli_trace = ktrace_alloc(XFS_BLI_TRACE_SIZE, KM_SLEEP);
+ bip->bli_trace = ktrace_alloc(XFS_BLI_TRACE_SIZE, KM_NOFS);
#endif
#ifdef XFS_TRANS_DEBUG
return (bip->bli_flags & XFS_BLI_DIRTY);
}
+STATIC void
+xfs_buf_item_free(
+ xfs_buf_log_item_t *bip)
+{
+#ifdef XFS_TRANS_DEBUG
+ kmem_free(bip->bli_orig);
+ kmem_free(bip->bli_logged);
+#endif /* XFS_TRANS_DEBUG */
+
+#ifdef XFS_BLI_TRACE
+ ktrace_free(bip->bli_trace);
+#endif
+ kmem_zone_free(xfs_buf_item_zone, bip);
+}
+
/*
* This is called when the buf log item is no longer needed. It should
* free the buf log item associated with the given buffer and clear
XFS_BUF_SET_FSPRIVATE(bp, bip->bli_item.li_bio_list);
if ((XFS_BUF_FSPRIVATE(bp, void *) == NULL) &&
(XFS_BUF_IODONE_FUNC(bp) != NULL)) {
- ASSERT((XFS_BUF_ISUNINITIAL(bp)) == 0);
XFS_BUF_CLR_IODONE_FUNC(bp);
}
-
-#ifdef XFS_TRANS_DEBUG
- kmem_free(bip->bli_orig, XFS_BUF_COUNT(bp));
- bip->bli_orig = NULL;
- kmem_free(bip->bli_logged, XFS_BUF_COUNT(bp) / NBBY);
- bip->bli_logged = NULL;
-#endif /* XFS_TRANS_DEBUG */
-
-#ifdef XFS_BLI_TRACE
- ktrace_free(bip->bli_trace);
-#endif
- kmem_zone_free(xfs_buf_item_zone, bip);
+ xfs_buf_rele(bp);
+ xfs_buf_item_free(bip);
}
xfs_buf_do_callbacks(bp, lip);
XFS_BUF_SET_FSPRIVATE(bp, NULL);
XFS_BUF_CLR_IODONE_FUNC(bp);
-
- /*
- * XFS_SHUT flag gets set when we go thru the
- * entire buffer cache and deliberately start
- * throwing away delayed write buffers.
- * Since there's no biowait done on those,
- * we should just brelse them.
- */
- if (XFS_BUF_ISSHUT(bp)) {
- XFS_BUF_UNSHUT(bp);
- xfs_buf_relse(bp);
- } else {
- xfs_biodone(bp);
- }
-
+ xfs_biodone(bp);
return;
}
if ((XFS_BUF_TARGET(bp) != lasttarg) ||
(time_after(jiffies, (lasttime + 5*HZ)))) {
lasttime = jiffies;
- prdev("XFS write error in file system meta-data "
- "block 0x%llx in %s",
- XFS_BUF_TARGET(bp),
+ cmn_err(CE_ALERT, "Device %s, XFS metadata write error"
+ " block 0x%llx in %s",
+ XFS_BUFTARG_NAME(XFS_BUF_TARGET(bp)),
(__uint64_t)XFS_BUF_ADDR(bp), mp->m_fsname);
}
lasttarg = XFS_BUF_TARGET(bp);
anyway. */
XFS_BUF_SET_BRELSE_FUNC(bp,xfs_buf_error_relse);
XFS_BUF_DONE(bp);
- XFS_BUF_V_IODONESEMA(bp);
+ XFS_BUF_FINISH_IOWAIT(bp);
}
return;
}
XFS_BUF_ERROR(bp,0);
xfs_buftrace("BUF_ERROR_RELSE", bp);
if (! XFS_FORCED_SHUTDOWN(mp))
- xfs_force_shutdown(mp, XFS_METADATA_IO_ERROR);
+ xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR);
/*
* We have to unpin the pinned buffers so do the
* callbacks.
xfs_buf_t *bp,
xfs_buf_log_item_t *bip)
{
- struct xfs_mount *mp;
- SPLDECL(s);
+ struct xfs_ail *ailp = bip->bli_item.li_ailp;
ASSERT(bip->bli_buf == bp);
- mp = bip->bli_item.li_mountp;
+ xfs_buf_rele(bp);
/*
* If we are forcibly shutting down, this may well be
* off the AIL already. That's because we simulate the
* log-committed callbacks to unpin these buffers. Or we may never
* have put this item on AIL because of the transaction was
- * aborted forcibly. xfs_trans_delete_ail() takes care of these.
+ * aborted forcibly. xfs_trans_ail_delete() takes care of these.
*
* Either way, AIL is useless if we're forcing a shutdown.
*/
- AIL_LOCK(mp,s);
- /*
- * xfs_trans_delete_ail() drops the AIL lock.
- */
- xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip, s);
-
-#ifdef XFS_TRANS_DEBUG
- kmem_free(bip->bli_orig, XFS_BUF_COUNT(bp));
- bip->bli_orig = NULL;
- kmem_free(bip->bli_logged, XFS_BUF_COUNT(bp) / NBBY);
- bip->bli_logged = NULL;
-#endif /* XFS_TRANS_DEBUG */
-
-#ifdef XFS_BLI_TRACE
- ktrace_free(bip->bli_trace);
-#endif
- kmem_zone_free(xfs_buf_item_zone, bip);
+ spin_lock(&ailp->xa_lock);
+ xfs_trans_ail_delete(ailp, (xfs_log_item_t *)bip);
+ xfs_buf_item_free(bip);
}
#if defined(XFS_BLI_TRACE)
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