openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[XFS] Unwrap AIL_LOCK 

SGI-PV: 970382
SGI-Modid: xfs-linux-melb:xfs-kern:29739a

Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Donald Douwsma 2007-10-11 17:36:05 +10:00 committed by Lachlan McIlroy
parent 541d7d3c4b
commit 287f3dad14
12 changed files with 81 additions and 114 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
fs/xfs/quota/xfs_dquot.c
View File

@ -1209,7 +1209,6 @@ xfs_qm_dqflush(
xfs_buf_t *bp;
xfs_disk_dquot_t *ddqp;
int error;
SPLDECL(s);
ASSERT(XFS_DQ_IS_LOCKED(dqp));
ASSERT(XFS_DQ_IS_FLUSH_LOCKED(dqp));
@ -1270,9 +1269,9 @@ xfs_qm_dqflush(
mp = dqp->q_mount;
/* lsn is 64 bits */
AIL_LOCK(mp, s);
spin_lock(&mp->m_ail_lock);
dqp->q_logitem.qli_flush_lsn = dqp->q_logitem.qli_item.li_lsn;
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
/*
* Attach an iodone routine so that we can remove this dquot from the
@ -1318,7 +1317,6 @@ xfs_qm_dqflush_done(
xfs_dq_logitem_t *qip)
{
xfs_dquot_t *dqp;
SPLDECL(s);
dqp = qip->qli_dquot;
@ -1333,15 +1331,15 @@ xfs_qm_dqflush_done(
if ((qip->qli_item.li_flags & XFS_LI_IN_AIL) &&
qip->qli_item.li_lsn == qip->qli_flush_lsn) {
AIL_LOCK(dqp->q_mount, s);
spin_lock(&dqp->q_mount->m_ail_lock);
/*
* xfs_trans_delete_ail() drops the AIL lock.
*/
if (qip->qli_item.li_lsn == qip->qli_flush_lsn)
xfs_trans_delete_ail(dqp->q_mount,
(xfs_log_item_t*)qip, s);
(xfs_log_item_t*)qip);
else
AIL_UNLOCK(dqp->q_mount, s);
spin_unlock(&dqp->q_mount->m_ail_lock);
}
/*

11
fs/xfs/quota/xfs_dquot_item.c
View File

@ -216,8 +216,8 @@ xfs_qm_dqunpin_wait(
* If so, we want to push it out to help us take this item off the AIL as soon
* as possible.
*
* We must not be holding the AIL_LOCK at this point. Calling incore() to
* search the buffer cache can be a time consuming thing, and AIL_LOCK is a
* We must not be holding the AIL lock at this point. Calling incore() to
* search the buffer cache can be a time consuming thing, and AIL lock is a
* spinlock.
*/
STATIC void
@ -322,7 +322,7 @@ xfs_qm_dquot_logitem_trylock(
* want to do that now since we might sleep in the device
* strategy routine. We also don't want to grab the buffer lock
* here because we'd like not to call into the buffer cache
* while holding the AIL_LOCK.
* while holding the AIL lock.
* Make sure to only return PUSHBUF if we set pushbuf_flag
* ourselves. If someone else is doing it then we don't
* want to go to the push routine and duplicate their efforts.
@ -562,15 +562,14 @@ xfs_qm_qoffend_logitem_committed(
xfs_lsn_t lsn)
{
xfs_qoff_logitem_t *qfs;
SPLDECL(s);
qfs = qfe->qql_start_lip;
AIL_LOCK(qfs->qql_item.li_mountp,s);
spin_lock(&qfs->qql_item.li_mountp->m_ail_lock);
/*
* Delete the qoff-start logitem from the AIL.
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(qfs->qql_item.li_mountp, (xfs_log_item_t *)qfs, s);
xfs_trans_delete_ail(qfs->qql_item.li_mountp, (xfs_log_item_t *)qfs);
kmem_free(qfs, sizeof(xfs_qoff_logitem_t));
kmem_free(qfe, sizeof(xfs_qoff_logitem_t));
return (xfs_lsn_t)-1;

10
fs/xfs/xfs_buf_item.c
View File

@ -378,7 +378,6 @@ xfs_buf_item_unpin(
xfs_mount_t *mp;
xfs_buf_t *bp;
int freed;
SPLDECL(s);
bp = bip->bli_buf;
ASSERT(bp != NULL);
@ -409,8 +408,8 @@ xfs_buf_item_unpin(
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(&mp->m_ail_lock);
xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip);
xfs_buf_item_relse(bp);
ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL);
}
@ -1113,7 +1112,6 @@ xfs_buf_iodone(
xfs_buf_log_item_t *bip)
{
struct xfs_mount *mp;
SPLDECL(s);
ASSERT(bip->bli_buf == bp);
@ -1128,11 +1126,11 @@ xfs_buf_iodone(
*
* Either way, AIL is useless if we're forcing a shutdown.
*/
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
/*
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip, s);
xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip);
#ifdef XFS_TRANS_DEBUG
kmem_free(bip->bli_orig, XFS_BUF_COUNT(bp));

21
fs/xfs/xfs_extfree_item.c
View File

@ -110,19 +110,18 @@ STATIC void
xfs_efi_item_unpin(xfs_efi_log_item_t *efip, int stale)
{
xfs_mount_t *mp;
SPLDECL(s);
mp = efip->efi_item.li_mountp;
AIL_LOCK(mp, s);
spin_lock(&mp->m_ail_lock);
if (efip->efi_flags & XFS_EFI_CANCELED) {
/*
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip, s);
xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip);
xfs_efi_item_free(efip);
} else {
efip->efi_flags |= XFS_EFI_COMMITTED;
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
}
@ -138,10 +137,9 @@ xfs_efi_item_unpin_remove(xfs_efi_log_item_t *efip, xfs_trans_t *tp)
{
xfs_mount_t *mp;
xfs_log_item_desc_t *lidp;
SPLDECL(s);
mp = efip->efi_item.li_mountp;
AIL_LOCK(mp, s);
spin_lock(&mp->m_ail_lock);
if (efip->efi_flags & XFS_EFI_CANCELED) {
/*
* free the xaction descriptor pointing to this item
@ -152,11 +150,11 @@ xfs_efi_item_unpin_remove(xfs_efi_log_item_t *efip, xfs_trans_t *tp)
* pull the item off the AIL.
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip, s);
xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip);
xfs_efi_item_free(efip);
} else {
efip->efi_flags |= XFS_EFI_COMMITTED;
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
}
@ -350,13 +348,12 @@ xfs_efi_release(xfs_efi_log_item_t *efip,
{
xfs_mount_t *mp;
int extents_left;
SPLDECL(s);
mp = efip->efi_item.li_mountp;
ASSERT(efip->efi_next_extent > 0);
ASSERT(efip->efi_flags & XFS_EFI_COMMITTED);
AIL_LOCK(mp, s);
spin_lock(&mp->m_ail_lock);
ASSERT(efip->efi_next_extent >= nextents);
efip->efi_next_extent -= nextents;
extents_left = efip->efi_next_extent;
@ -364,10 +361,10 @@ xfs_efi_release(xfs_efi_log_item_t *efip,
/*
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip, s);
xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip);
xfs_efi_item_free(efip);
} else {
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
}

22
fs/xfs/xfs_inode.c
View File

@ -2205,7 +2205,6 @@ xfs_ifree_cluster(
xfs_inode_log_item_t *iip;
xfs_log_item_t *lip;
xfs_perag_t *pag = xfs_get_perag(mp, inum);
SPLDECL(s);
if (mp->m_sb.sb_blocksize >= XFS_INODE_CLUSTER_SIZE(mp)) {
blks_per_cluster = 1;
@ -2307,9 +2306,9 @@ xfs_ifree_cluster(
iip = (xfs_inode_log_item_t *)lip;
ASSERT(iip->ili_logged == 1);
lip->li_cb = (void(*)(xfs_buf_t*,xfs_log_item_t*)) xfs_istale_done;
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
iip->ili_flush_lsn = iip->ili_item.li_lsn;
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
xfs_iflags_set(iip->ili_inode, XFS_ISTALE);
pre_flushed++;
}
@ -2330,9 +2329,9 @@ xfs_ifree_cluster(
iip->ili_last_fields = iip->ili_format.ilf_fields;
iip->ili_format.ilf_fields = 0;
iip->ili_logged = 1;
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
iip->ili_flush_lsn = iip->ili_item.li_lsn;
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
xfs_buf_attach_iodone(bp,
(void(*)(xfs_buf_t*,xfs_log_item_t*))
@ -2731,7 +2730,6 @@ void
xfs_idestroy(
xfs_inode_t *ip)
{
switch (ip->i_d.di_mode & S_IFMT) {
case S_IFREG:
case S_IFDIR:
@ -2771,16 +2769,15 @@ xfs_idestroy(
*/
xfs_mount_t *mp = ip->i_mount;
xfs_log_item_t *lip = &ip->i_itemp->ili_item;
int s;
ASSERT(((lip->li_flags & XFS_LI_IN_AIL) == 0) ||
XFS_FORCED_SHUTDOWN(ip->i_mount));
if (lip->li_flags & XFS_LI_IN_AIL) {
AIL_LOCK(mp, s);
spin_lock(&mp->m_ail_lock);
if (lip->li_flags & XFS_LI_IN_AIL)
xfs_trans_delete_ail(mp, lip, s);
xfs_trans_delete_ail(mp, lip);
else
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
xfs_inode_item_destroy(ip);
}
@ -3334,7 +3331,6 @@ xfs_iflush_int(
#ifdef XFS_TRANS_DEBUG
int first;
#endif
SPLDECL(s);
ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE|MR_ACCESS));
ASSERT(issemalocked(&(ip->i_flock)));
@ -3529,9 +3525,9 @@ xfs_iflush_int(
iip->ili_logged = 1;
ASSERT(sizeof(xfs_lsn_t) == 8); /* don't lock if it shrinks */
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
iip->ili_flush_lsn = iip->ili_item.li_lsn;
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
/*
* Attach the function xfs_iflush_done to the inode's

21
fs/xfs/xfs_inode_item.c
View File

@ -615,7 +615,7 @@ xfs_inode_item_trylock(
return XFS_ITEM_PUSHBUF;
} else {
/*
* We hold the AIL_LOCK, so we must specify the
* We hold the AIL lock, so we must specify the
* NONOTIFY flag so that we won't double trip.
*/
xfs_iunlock(ip, XFS_ILOCK_SHARED|XFS_IUNLOCK_NONOTIFY);
@ -749,7 +749,7 @@ xfs_inode_item_committed(
* marked delayed write. If that's the case, we'll initiate a bawrite on that
* buffer to expedite the process.
*
* We aren't holding the AIL_LOCK (or the flush lock) when this gets called,
* We aren't holding the AIL lock (or the flush lock) when this gets called,
* so it is inherently race-y.
*/
STATIC void
@ -792,7 +792,7 @@ xfs_inode_item_pushbuf(
if (XFS_BUF_ISDELAYWRITE(bp)) {
/*
* We were racing with iflush because we don't hold
* the AIL_LOCK or the flush lock. However, at this point,
* the AIL lock or the flush lock. However, at this point,
* we have the buffer, and we know that it's dirty.
* So, it's possible that iflush raced with us, and
* this item is already taken off the AIL.
@ -968,7 +968,6 @@ xfs_iflush_done(
xfs_inode_log_item_t *iip)
{
xfs_inode_t *ip;
SPLDECL(s);
ip = iip->ili_inode;
@ -983,15 +982,15 @@ xfs_iflush_done(
*/
if (iip->ili_logged &&
(iip->ili_item.li_lsn == iip->ili_flush_lsn)) {
AIL_LOCK(ip->i_mount, s);
spin_lock(&ip->i_mount->m_ail_lock);
if (iip->ili_item.li_lsn == iip->ili_flush_lsn) {
/*
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(ip->i_mount,
(xfs_log_item_t*)iip, s);
(xfs_log_item_t*)iip);
} else {
AIL_UNLOCK(ip->i_mount, s);
spin_unlock(&ip->i_mount->m_ail_lock);
}
}
@ -1025,21 +1024,19 @@ xfs_iflush_abort(
{
xfs_inode_log_item_t *iip;
xfs_mount_t *mp;
SPLDECL(s);
iip = ip->i_itemp;
mp = ip->i_mount;
if (iip) {
if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
AIL_LOCK(mp, s);
spin_lock(&mp->m_ail_lock);
if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
/*
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(mp, (xfs_log_item_t *)iip,
s);
xfs_trans_delete_ail(mp, (xfs_log_item_t *)iip);
} else
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
iip->ili_logged = 0;
/*

21
fs/xfs/xfs_log_recover.c
View File

@ -2660,7 +2660,6 @@ xlog_recover_do_efi_trans(
xfs_mount_t *mp;
xfs_efi_log_item_t *efip;
xfs_efi_log_format_t *efi_formatp;
SPLDECL(s);
if (pass == XLOG_RECOVER_PASS1) {
return 0;
@ -2678,11 +2677,11 @@ xlog_recover_do_efi_trans(
efip->efi_next_extent = efi_formatp->efi_nextents;
efip->efi_flags |= XFS_EFI_COMMITTED;
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
/*
* xfs_trans_update_ail() drops the AIL lock.
*/
xfs_trans_update_ail(mp, (xfs_log_item_t *)efip, lsn, s);
xfs_trans_update_ail(mp, (xfs_log_item_t *)efip, lsn);
return 0;
}
@ -2707,7 +2706,6 @@ xlog_recover_do_efd_trans(
xfs_log_item_t *lip;
int gen;
__uint64_t efi_id;
SPLDECL(s);
if (pass == XLOG_RECOVER_PASS1) {
return;
@ -2725,7 +2723,7 @@ xlog_recover_do_efd_trans(
* in the AIL.
*/
mp = log->l_mp;
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
lip = xfs_trans_first_ail(mp, &gen);
while (lip != NULL) {
if (lip->li_type == XFS_LI_EFI) {
@ -2735,7 +2733,7 @@ xlog_recover_do_efd_trans(
* xfs_trans_delete_ail() drops the
* AIL lock.
*/
xfs_trans_delete_ail(mp, lip, s);
xfs_trans_delete_ail(mp, lip);
break;
}
}
@ -2749,7 +2747,7 @@ xlog_recover_do_efd_trans(
if (lip != NULL) {
xfs_efi_item_free(efip);
} else {
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
}
@ -3075,10 +3073,9 @@ xlog_recover_process_efis(
xfs_efi_log_item_t *efip;
int gen;
xfs_mount_t *mp;
SPLDECL(s);
mp = log->l_mp;
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
lip = xfs_trans_first_ail(mp, &gen);
while (lip != NULL) {
@ -3099,12 +3096,12 @@ xlog_recover_process_efis(
continue;
}
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
xlog_recover_process_efi(mp, efip);
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
lip = xfs_trans_next_ail(mp, lip, &gen, NULL);
}
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
/*

4
fs/xfs/xfs_mount.c
View File

@ -136,7 +136,7 @@ xfs_mount_init(void)
mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
}
AIL_LOCKINIT(&mp->m_ail_lock, "xfs_ail");
spinlock_init(&mp->m_ail_lock, "xfs_ail");
spinlock_init(&mp->m_sb_lock, "xfs_sb");
mutex_init(&mp->m_ilock);
mutex_init(&mp->m_growlock);
@ -171,7 +171,7 @@ xfs_mount_free(
sizeof(xfs_perag_t) * mp->m_sb.sb_agcount);
}
AIL_LOCK_DESTROY(&mp->m_ail_lock);
spinlock_destroy(&mp->m_ail_lock);
spinlock_destroy(&mp->m_sb_lock);
mutex_destroy(&mp->m_ilock);
mutex_destroy(&mp->m_growlock);

9
fs/xfs/xfs_mount.h
View File

@ -63,13 +63,6 @@ struct xfs_extdelta;
struct xfs_swapext;
struct xfs_mru_cache;
#define AIL_LOCK_T lock_t
#define AIL_LOCKINIT(x,y) spinlock_init(x,y)
#define AIL_LOCK_DESTROY(x) spinlock_destroy(x)
#define AIL_LOCK(mp,s) s=mutex_spinlock(&(mp)->m_ail_lock)
#define AIL_UNLOCK(mp,s) mutex_spinunlock(&(mp)->m_ail_lock, s)
/*
* Prototypes and functions for the Data Migration subsystem.
*/
@ -230,7 +223,7 @@ extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int);
typedef struct xfs_mount {
struct super_block *m_super;
xfs_tid_t m_tid; /* next unused tid for fs */
AIL_LOCK_T m_ail_lock; /* fs AIL mutex */
spinlock_t m_ail_lock; /* fs AIL mutex */
xfs_ail_entry_t m_ail; /* fs active log item list */
uint m_ail_gen; /* fs AIL generation count */
xfs_sb_t m_sb; /* copy of fs superblock */

7
fs/xfs/xfs_trans.c
View File

@ -1322,7 +1322,6 @@ xfs_trans_chunk_committed(
xfs_lsn_t item_lsn;
struct xfs_mount *mp;
int i;
SPLDECL(s);
lidp = licp->lic_descs;
for (i = 0; i < licp->lic_unused; i++, lidp++) {
@ -1363,7 +1362,7 @@ xfs_trans_chunk_committed(
* the test below.
*/
mp = lip->li_mountp;
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) {
/*
* This will set the item's lsn to item_lsn
@ -1372,9 +1371,9 @@ xfs_trans_chunk_committed(
*
* xfs_trans_update_ail() drops the AIL lock.
*/
xfs_trans_update_ail(mp, lip, item_lsn, s);
xfs_trans_update_ail(mp, lip, item_lsn);
} else {
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
/*

52
fs/xfs/xfs_trans_ail.c
View File

@ -55,16 +55,15 @@ xfs_trans_tail_ail(
{
xfs_lsn_t lsn;
xfs_log_item_t *lip;
SPLDECL(s);
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
lip = xfs_ail_min(&(mp->m_ail));
if (lip == NULL) {
lsn = (xfs_lsn_t)0;
} else {
lsn = lip->li_lsn;
}
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
return lsn;
}
@ -89,17 +88,16 @@ xfs_trans_push_ail(
int restarts;
int lock_result;
int flush_log;
SPLDECL(s);
#define XFS_TRANS_PUSH_AIL_RESTARTS 1000
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
lip = xfs_trans_first_ail(mp, &gen);
if (lip == NULL || XFS_FORCED_SHUTDOWN(mp)) {
/*
* Just return if the AIL is empty.
*/
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
return (xfs_lsn_t)0;
}
@ -112,7 +110,7 @@ xfs_trans_push_ail(
* beginning of the list. We'd like not to stop until we've at least
* tried to push on everything in the AIL with an LSN less than
* the given threshold. However, we may give up before that if
* we realize that we've been holding the AIL_LOCK for 'too long',
* we realize that we've been holding the AIL lock for 'too long',
* blocking interrupts. Currently, too long is < 500us roughly.
*/
flush_log = 0;
@ -136,14 +134,14 @@ xfs_trans_push_ail(
lock_result = IOP_TRYLOCK(lip);
switch (lock_result) {
case XFS_ITEM_SUCCESS:
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
XFS_STATS_INC(xs_push_ail_success);
IOP_PUSH(lip);
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
break;
case XFS_ITEM_PUSHBUF:
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
XFS_STATS_INC(xs_push_ail_pushbuf);
#ifdef XFSRACEDEBUG
delay_for_intr();
@ -152,7 +150,7 @@ xfs_trans_push_ail(
ASSERT(lip->li_ops->iop_pushbuf);
ASSERT(lip);
IOP_PUSHBUF(lip);
AIL_LOCK(mp,s);
spin_lock(&mp->m_ail_lock);
break;
case XFS_ITEM_PINNED:
@ -181,7 +179,7 @@ xfs_trans_push_ail(
/*
* Just return if we shut down during the last try.
*/
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
return (xfs_lsn_t)0;
}
@ -193,10 +191,10 @@ xfs_trans_push_ail(
* push out the log so it will become unpinned and
* move forward in the AIL.
*/
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
XFS_STATS_INC(xs_push_ail_flush);
xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE);
AIL_LOCK(mp, s);
spin_lock(&mp->m_ail_lock);
}
lip = xfs_ail_min(&(mp->m_ail));
@ -206,7 +204,7 @@ xfs_trans_push_ail(
lsn = lip->li_lsn;
}
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
return lsn;
} /* xfs_trans_push_ail */
@ -269,15 +267,13 @@ xfs_trans_unlocked_item(
* has changed.
*
* This function must be called with the AIL lock held. The lock
* is dropped before returning, so the caller must pass in the
* cookie returned by AIL_LOCK.
* is dropped before returning.
*/
void
xfs_trans_update_ail(
xfs_mount_t *mp,
xfs_log_item_t *lip,
xfs_lsn_t lsn,
unsigned long s) __releases(mp->m_ail_lock)
xfs_lsn_t lsn) __releases(mp->m_ail_lock)
{
xfs_ail_entry_t *ailp;
xfs_log_item_t *dlip=NULL;
@ -300,10 +296,10 @@ xfs_trans_update_ail(
if (mlip == dlip) {
mlip = xfs_ail_min(&(mp->m_ail));
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
xfs_log_move_tail(mp, mlip->li_lsn);
} else {
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
@ -322,14 +318,12 @@ xfs_trans_update_ail(
* has changed.
*
* This function must be called with the AIL lock held. The lock
* is dropped before returning, so the caller must pass in the
* cookie returned by AIL_LOCK.
* is dropped before returning.
*/
void
xfs_trans_delete_ail(
xfs_mount_t *mp,
xfs_log_item_t *lip,
unsigned long s) __releases(mp->m_ail_lock)
xfs_log_item_t *lip) __releases(mp->m_ail_lock)
{
xfs_ail_entry_t *ailp;
xfs_log_item_t *dlip;
@ -348,10 +342,10 @@ xfs_trans_delete_ail(
if (mlip == dlip) {
mlip = xfs_ail_min(&(mp->m_ail));
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
xfs_log_move_tail(mp, (mlip ? mlip->li_lsn : 0));
} else {
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
}
}
else {
@ -360,12 +354,12 @@ xfs_trans_delete_ail(
* serious trouble if we get to this stage.
*/
if (XFS_FORCED_SHUTDOWN(mp))
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
else {
xfs_cmn_err(XFS_PTAG_AILDELETE, CE_ALERT, mp,
"%s: attempting to delete a log item that is not in the AIL",
__FUNCTION__);
AIL_UNLOCK(mp, s);
spin_unlock(&mp->m_ail_lock);
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
}
}

5
fs/xfs/xfs_trans_priv.h
View File

@ -47,11 +47,10 @@ xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp,
* From xfs_trans_ail.c
*/
void xfs_trans_update_ail(struct xfs_mount *mp,
struct xfs_log_item *lip, xfs_lsn_t lsn,
unsigned long s)
struct xfs_log_item *lip, xfs_lsn_t lsn)
__releases(mp->m_ail_lock);
void xfs_trans_delete_ail(struct xfs_mount *mp,
struct xfs_log_item *lip, unsigned long s)
struct xfs_log_item *lip)
__releases(mp->m_ail_lock);
struct xfs_log_item *xfs_trans_first_ail(struct xfs_mount *, int *);
struct xfs_log_item *xfs_trans_next_ail(struct xfs_mount *,