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[XFS] Add ail pointer into log items 

Add an xfs_ail pointer to log items so that the log items can reference
the AIL directly during callbacks without needed a struct xfs_mount.

SGI-PV: 988143

SGI-Modid: xfs-linux-melb:xfs-kern:32352a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
This commit is contained in:
David Chinner 2008-10-30 17:39:46 +11:00 committed by Lachlan McIlroy
parent a9c21c1b9d
commit fc1829f34d
6 changed files with 40 additions and 14 deletions
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5
fs/xfs/xfs_buf_item.c
View File

@ -731,6 +731,7 @@ xfs_buf_item_init(
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;
@ -1123,11 +1124,13 @@ xfs_buf_iodone(
xfs_buf_log_item_t *bip)
{
struct xfs_mount *mp;
struct xfs_ail *ailp;
ASSERT(bip->bli_buf == bp);
xfs_buf_rele(bp);
mp = bip->bli_item.li_mountp;
ailp = bip->bli_item.li_ailp;
/*
* If we are forcibly shutting down, this may well be
@ -1138,7 +1141,7 @@ xfs_buf_iodone(
*
* Either way, AIL is useless if we're forcing a shutdown.
*/
spin_lock(&mp->m_ail->xa_lock);
spin_lock(&ailp->xa_lock);
/*
* xfs_trans_delete_ail() drops the AIL lock.
*/

28
fs/xfs/xfs_extfree_item.c
View File

@ -108,10 +108,12 @@ xfs_efi_item_pin(xfs_efi_log_item_t *efip)
STATIC void
xfs_efi_item_unpin(xfs_efi_log_item_t *efip, int stale)
{
xfs_mount_t *mp;
xfs_mount_t *mp;
struct xfs_ail *ailp;
mp = efip->efi_item.li_mountp;
spin_lock(&mp->m_ail->xa_lock);
ailp = efip->efi_item.li_ailp;
spin_lock(&ailp->xa_lock);
if (efip->efi_flags & XFS_EFI_CANCELED) {
/*
* xfs_trans_delete_ail() drops the AIL lock.
@ -120,7 +122,7 @@ xfs_efi_item_unpin(xfs_efi_log_item_t *efip, int stale)
xfs_efi_item_free(efip);
} else {
efip->efi_flags |= XFS_EFI_COMMITTED;
spin_unlock(&mp->m_ail->xa_lock);
spin_unlock(&ailp->xa_lock);
}
}
@ -134,11 +136,13 @@ xfs_efi_item_unpin(xfs_efi_log_item_t *efip, int stale)
STATIC void
xfs_efi_item_unpin_remove(xfs_efi_log_item_t *efip, xfs_trans_t *tp)
{
xfs_mount_t *mp;
xfs_mount_t *mp;
struct xfs_ail *ailp;
xfs_log_item_desc_t *lidp;
mp = efip->efi_item.li_mountp;
spin_lock(&mp->m_ail->xa_lock);
ailp = efip->efi_item.li_ailp;
spin_lock(&ailp->xa_lock);
if (efip->efi_flags & XFS_EFI_CANCELED) {
/*
* free the xaction descriptor pointing to this item
@ -153,7 +157,7 @@ xfs_efi_item_unpin_remove(xfs_efi_log_item_t *efip, xfs_trans_t *tp)
xfs_efi_item_free(efip);
} else {
efip->efi_flags |= XFS_EFI_COMMITTED;
spin_unlock(&mp->m_ail->xa_lock);
spin_unlock(&ailp->xa_lock);
}
}
@ -268,6 +272,7 @@ xfs_efi_init(xfs_mount_t *mp,
efip->efi_item.li_type = XFS_LI_EFI;
efip->efi_item.li_ops = &xfs_efi_item_ops;
efip->efi_item.li_mountp = mp;
efip->efi_item.li_ailp = mp->m_ail;
efip->efi_format.efi_nextents = nextents;
efip->efi_format.efi_id = (__psint_t)(void*)efip;
@ -345,14 +350,16 @@ void
xfs_efi_release(xfs_efi_log_item_t *efip,
uint nextents)
{
xfs_mount_t *mp;
int extents_left;
xfs_mount_t *mp;
struct xfs_ail *ailp;
int extents_left;
mp = efip->efi_item.li_mountp;
ailp = efip->efi_item.li_ailp;
ASSERT(efip->efi_next_extent > 0);
ASSERT(efip->efi_flags & XFS_EFI_COMMITTED);
spin_lock(&mp->m_ail->xa_lock);
spin_lock(&ailp->xa_lock);
ASSERT(efip->efi_next_extent >= nextents);
efip->efi_next_extent -= nextents;
extents_left = efip->efi_next_extent;
@ -363,7 +370,7 @@ xfs_efi_release(xfs_efi_log_item_t *efip,
xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip);
xfs_efi_item_free(efip);
} else {
spin_unlock(&mp->m_ail->xa_lock);
spin_unlock(&ailp->xa_lock);
}
}
@ -565,6 +572,7 @@ xfs_efd_init(xfs_mount_t *mp,
efdp->efd_item.li_type = XFS_LI_EFD;
efdp->efd_item.li_ops = &xfs_efd_item_ops;
efdp->efd_item.li_mountp = mp;
efdp->efd_item.li_ailp = mp->m_ail;
efdp->efd_efip = efip;
efdp->efd_format.efd_nextents = nextents;
efdp->efd_format.efd_efi_id = efip->efi_format.efi_id;

1
fs/xfs/xfs_inode_item.c
View File

@ -932,6 +932,7 @@ xfs_inode_item_init(
iip->ili_item.li_type = XFS_LI_INODE;
iip->ili_item.li_ops = &xfs_inode_item_ops;
iip->ili_item.li_mountp = mp;
iip->ili_item.li_ailp = mp->m_ail;
iip->ili_inode = ip;
/*

9
fs/xfs/xfs_trans.c
View File

@ -1383,11 +1383,13 @@ xfs_trans_chunk_committed(
xfs_log_item_desc_t *lidp;
xfs_log_item_t *lip;
xfs_lsn_t item_lsn;
struct xfs_mount *mp;
int i;
lidp = licp->lic_descs;
for (i = 0; i < licp->lic_unused; i++, lidp++) {
struct xfs_mount *mp;
struct xfs_ail *ailp;
if (xfs_lic_isfree(licp, i)) {
continue;
}
@ -1425,7 +1427,8 @@ xfs_trans_chunk_committed(
* the test below.
*/
mp = lip->li_mountp;
spin_lock(&mp->m_ail->xa_lock);
ailp = lip->li_ailp;
spin_lock(&ailp->xa_lock);
if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) {
/*
* This will set the item's lsn to item_lsn
@ -1436,7 +1439,7 @@ xfs_trans_chunk_committed(
*/
xfs_trans_update_ail(mp, lip, item_lsn);
} else {
spin_unlock(&mp->m_ail->xa_lock);
spin_unlock(&ailp->xa_lock);
}
/*

1
fs/xfs/xfs_trans.h
View File

@ -768,6 +768,7 @@ typedef struct xfs_log_item {
xfs_lsn_t li_lsn; /* last on-disk lsn */
struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
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 */
struct xfs_log_item *li_bio_list; /* buffer item list */

10
fs/xfs/xfs_trans_item.c
View File

@ -22,6 +22,14 @@
#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_trans_priv.h"
/* XXX: from here down needed until struct xfs_trans has it's own ailp */
#include "xfs_bit.h"
#include "xfs_buf_item.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
STATIC int xfs_trans_unlock_chunk(xfs_log_item_chunk_t *,
int, int, xfs_lsn_t);
@ -79,6 +87,7 @@ xfs_trans_add_item(xfs_trans_t *tp, xfs_log_item_t *lip)
lidp->lid_size = 0;
lip->li_desc = lidp;
lip->li_mountp = tp->t_mountp;
lip->li_ailp = tp->t_mountp->m_ail;
return lidp;
}
@ -120,6 +129,7 @@ xfs_trans_add_item(xfs_trans_t *tp, xfs_log_item_t *lip)
lidp->lid_size = 0;
lip->li_desc = lidp;
lip->li_mountp = tp->t_mountp;
lip->li_ailp = tp->t_mountp->m_ail;
return lidp;
}