X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_extfree_item.c;h=05a4bdd4be39a09db4cec3f18e7d9200838ec6b4;hb=6d4561110a3e9fa742aeec6717248a491dfb1878;hp=6cf6d8769b975902c290a4485372b9b507793aa1;hpb=f6c2d1fa6310a71b1c2e05fc6d9ff9b91489fa0e;p=safe%2Fjmp%2Flinux-2.6 diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index 6cf6d87..05a4bdd 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -23,6 +23,7 @@ #include "xfs_trans.h" #include "xfs_buf_item.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" @@ -33,9 +34,6 @@ kmem_zone_t *xfs_efi_zone; kmem_zone_t *xfs_efd_zone; STATIC void xfs_efi_item_unlock(xfs_efi_log_item_t *); -STATIC void xfs_efi_item_abort(xfs_efi_log_item_t *); -STATIC void xfs_efd_item_abort(xfs_efd_log_item_t *); - void xfs_efi_item_free(xfs_efi_log_item_t *efip) @@ -43,8 +41,7 @@ xfs_efi_item_free(xfs_efi_log_item_t *efip) int nexts = efip->efi_format.efi_nextents; if (nexts > XFS_EFI_MAX_FAST_EXTENTS) { - kmem_free(efip, sizeof(xfs_efi_log_item_t) + - (nexts - 1) * sizeof(xfs_extent_t)); + kmem_free(efip); } else { kmem_zone_free(xfs_efi_zone, efip); } @@ -111,20 +108,16 @@ 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; - SPLDECL(s); + struct xfs_ail *ailp = efip->efi_item.li_ailp; - mp = efip->efi_item.li_mountp; - AIL_LOCK(mp, s); + spin_lock(&ailp->xa_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_ail_delete() drops the AIL lock. */ + xfs_trans_ail_delete(ailp, (xfs_log_item_t *)efip); xfs_efi_item_free(efip); } else { efip->efi_flags |= XFS_EFI_COMMITTED; - AIL_UNLOCK(mp, s); + spin_unlock(&ailp->xa_lock); } } @@ -138,27 +131,23 @@ 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; + struct xfs_ail *ailp = efip->efi_item.li_ailp; xfs_log_item_desc_t *lidp; - SPLDECL(s); - mp = efip->efi_item.li_mountp; - AIL_LOCK(mp, s); + spin_lock(&ailp->xa_lock); if (efip->efi_flags & XFS_EFI_CANCELED) { /* * free the xaction descriptor pointing to this item */ lidp = xfs_trans_find_item(tp, (xfs_log_item_t *) efip); xfs_trans_free_item(tp, lidp); - /* - * 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_ail_delete() drops the AIL lock. */ + xfs_trans_ail_delete(ailp, (xfs_log_item_t *)efip); xfs_efi_item_free(efip); } else { efip->efi_flags |= XFS_EFI_COMMITTED; - AIL_UNLOCK(mp, s); + spin_unlock(&ailp->xa_lock); } } @@ -184,7 +173,7 @@ STATIC void xfs_efi_item_unlock(xfs_efi_log_item_t *efip) { if (efip->efi_item.li_flags & XFS_LI_ABORTED) - xfs_efi_item_abort(efip); + xfs_efi_item_free(efip); return; } @@ -202,18 +191,6 @@ xfs_efi_item_committed(xfs_efi_log_item_t *efip, xfs_lsn_t lsn) } /* - * This is called when the transaction logging the EFI is aborted. - * Free up the EFI and return. No need to clean up the slot for - * the item in the transaction. That was done by the unpin code - * which is called prior to this routine in the abort/fs-shutdown path. - */ -STATIC void -xfs_efi_item_abort(xfs_efi_log_item_t *efip) -{ - xfs_efi_item_free(efip); -} - -/* * There isn't much you can do to push on an efi item. It is simply * stuck waiting for all of its corresponding efd items to be * committed to disk. @@ -242,7 +219,7 @@ xfs_efi_item_committing(xfs_efi_log_item_t *efip, xfs_lsn_t lsn) /* * This is the ops vector shared by all efi log items. */ -STATIC struct xfs_item_ops xfs_efi_item_ops = { +static struct xfs_item_ops xfs_efi_item_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_efi_item_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_efi_item_format, @@ -255,7 +232,6 @@ STATIC struct xfs_item_ops xfs_efi_item_ops = { .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t)) xfs_efi_item_committed, .iop_push = (void(*)(xfs_log_item_t*))xfs_efi_item_push, - .iop_abort = (void(*)(xfs_log_item_t*))xfs_efi_item_abort, .iop_pushbuf = NULL, .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t)) xfs_efi_item_committing @@ -286,6 +262,7 @@ 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; @@ -363,53 +340,22 @@ void xfs_efi_release(xfs_efi_log_item_t *efip, uint nextents) { - xfs_mount_t *mp; - int extents_left; - SPLDECL(s); + struct xfs_ail *ailp = efip->efi_item.li_ailp; + int extents_left; - 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(&ailp->xa_lock); ASSERT(efip->efi_next_extent >= nextents); efip->efi_next_extent -= nextents; extents_left = efip->efi_next_extent; if (extents_left == 0) { - /* - * xfs_trans_delete_ail() drops the AIL lock. - */ - xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip, s); + /* xfs_trans_ail_delete() drops the AIL lock. */ + xfs_trans_ail_delete(ailp, (xfs_log_item_t *)efip); xfs_efi_item_free(efip); } else { - AIL_UNLOCK(mp, s); - } -} - -/* - * This is called when the transaction that should be committing the - * EFD corresponding to the given EFI is aborted. The committed and - * canceled flags are used to coordinate the freeing of the EFI and - * the references by the transaction that committed it. - */ -STATIC void -xfs_efi_cancel( - xfs_efi_log_item_t *efip) -{ - xfs_mount_t *mp; - SPLDECL(s); - - mp = efip->efi_item.li_mountp; - AIL_LOCK(mp, s); - if (efip->efi_flags & XFS_EFI_COMMITTED) { - /* - * xfs_trans_delete_ail() drops the AIL lock. - */ - xfs_trans_delete_ail(mp, (xfs_log_item_t *)efip, s); - xfs_efi_item_free(efip); - } else { - efip->efi_flags |= XFS_EFI_CANCELED; - AIL_UNLOCK(mp, s); + spin_unlock(&ailp->xa_lock); } } @@ -419,8 +365,7 @@ xfs_efd_item_free(xfs_efd_log_item_t *efdp) int nexts = efdp->efd_format.efd_nextents; if (nexts > XFS_EFD_MAX_FAST_EXTENTS) { - kmem_free(efdp, sizeof(xfs_efd_log_item_t) + - (nexts - 1) * sizeof(xfs_extent_t)); + kmem_free(efdp); } else { kmem_zone_free(xfs_efd_zone, efdp); } @@ -514,7 +459,7 @@ STATIC void xfs_efd_item_unlock(xfs_efd_log_item_t *efdp) { if (efdp->efd_item.li_flags & XFS_LI_ABORTED) - xfs_efd_item_abort(efdp); + xfs_efd_item_free(efdp); return; } @@ -541,27 +486,6 @@ xfs_efd_item_committed(xfs_efd_log_item_t *efdp, xfs_lsn_t lsn) } /* - * The transaction of which this EFD is a part has been aborted. - * Inform its companion EFI of this fact and then clean up after - * ourselves. No need to clean up the slot for the item in the - * transaction. That was done by the unpin code which is called - * prior to this routine in the abort/fs-shutdown path. - */ -STATIC void -xfs_efd_item_abort(xfs_efd_log_item_t *efdp) -{ - /* - * If we got a log I/O error, it's always the case that the LR with the - * EFI got unpinned and freed before the EFD got aborted. So don't - * reference the EFI at all in that case. - */ - if ((efdp->efd_item.li_flags & XFS_LI_ABORTED) == 0) - xfs_efi_cancel(efdp->efd_efip); - - xfs_efd_item_free(efdp); -} - -/* * There isn't much you can do to push on an efd item. It is simply * stuck waiting for the log to be flushed to disk. */ @@ -589,7 +513,7 @@ xfs_efd_item_committing(xfs_efd_log_item_t *efip, xfs_lsn_t lsn) /* * This is the ops vector shared by all efd log items. */ -STATIC struct xfs_item_ops xfs_efd_item_ops = { +static struct xfs_item_ops xfs_efd_item_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_efd_item_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_efd_item_format, @@ -602,7 +526,6 @@ STATIC struct xfs_item_ops xfs_efd_item_ops = { .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t)) xfs_efd_item_committed, .iop_push = (void(*)(xfs_log_item_t*))xfs_efd_item_push, - .iop_abort = (void(*)(xfs_log_item_t*))xfs_efd_item_abort, .iop_pushbuf = NULL, .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t)) xfs_efd_item_committing @@ -634,6 +557,7 @@ 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;