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authorDavid Chinner <david@fromorbit.com>2008-10-30 17:39:46 +1100
committerLachlan McIlroy <lachlan@sgi.com>2008-10-30 17:39:46 +1100
commitfc1829f34d30899701dfd5890030d39e13e1f47d (patch)
treec2532c6a1070396e39000f36a5728f0f0940b24d /fs/xfs/xfs_extfree_item.c
parenta9c21c1b9deaced836034e77fe25fe0b55c21f02 (diff)
downloadop-kernel-dev-fc1829f34d30899701dfd5890030d39e13e1f47d.zip
op-kernel-dev-fc1829f34d30899701dfd5890030d39e13e1f47d.tar.gz
[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>
Diffstat (limited to 'fs/xfs/xfs_extfree_item.c')
-rw-r--r--fs/xfs/xfs_extfree_item.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index f1dcd80..dab5737 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -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;
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