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Diffstat (limited to 'fs/xfs/xfs_trans_extfree.c')
-rw-r--r--fs/xfs/xfs_trans_extfree.c239
1 files changed, 0 insertions, 239 deletions
diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c
deleted file mode 100644
index ab438647592a..000000000000
--- a/fs/xfs/xfs_trans_extfree.c
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- * 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 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. See the
- * GNU General Public License for more details.
- *
- * 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
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_shared.h"
-#include "xfs_format.h"
-#include "xfs_log_format.h"
-#include "xfs_trans_resv.h"
-#include "xfs_bit.h"
-#include "xfs_mount.h"
-#include "xfs_defer.h"
-#include "xfs_trans.h"
-#include "xfs_trans_priv.h"
-#include "xfs_extfree_item.h"
-#include "xfs_alloc.h"
-#include "xfs_bmap.h"
-#include "xfs_trace.h"
-
-/*
- * This routine is called to allocate an "extent free done"
- * log item that will hold nextents worth of extents. The
- * caller must use all nextents extents, because we are not
- * flexible about this at all.
- */
-struct xfs_efd_log_item *
-xfs_trans_get_efd(struct xfs_trans *tp,
- struct xfs_efi_log_item *efip,
- uint nextents)
-{
- struct xfs_efd_log_item *efdp;
-
- ASSERT(tp != NULL);
- ASSERT(nextents > 0);
-
- efdp = xfs_efd_init(tp->t_mountp, efip, nextents);
- ASSERT(efdp != NULL);
-
- /*
- * Get a log_item_desc to point at the new item.
- */
- xfs_trans_add_item(tp, &efdp->efd_item);
- return efdp;
-}
-
-/*
- * Free an extent and log it to the EFD. Note that the transaction is marked
- * dirty regardless of whether the extent free succeeds or fails to support the
- * EFI/EFD lifecycle rules.
- */
-int
-xfs_trans_free_extent(
- struct xfs_trans *tp,
- struct xfs_efd_log_item *efdp,
- xfs_fsblock_t start_block,
- xfs_extlen_t ext_len,
- struct xfs_owner_info *oinfo)
-{
- struct xfs_mount *mp = tp->t_mountp;
- uint next_extent;
- xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp, start_block);
- xfs_agblock_t agbno = XFS_FSB_TO_AGBNO(mp, start_block);
- struct xfs_extent *extp;
- int error;
-
- trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno, ext_len);
-
- error = xfs_free_extent(tp, start_block, ext_len, oinfo,
- XFS_AG_RESV_NONE);
-
- /*
- * Mark the transaction dirty, even on error. This ensures the
- * transaction is aborted, which:
- *
- * 1.) releases the EFI and frees the EFD
- * 2.) shuts down the filesystem
- */
- tp->t_flags |= XFS_TRANS_DIRTY;
- efdp->efd_item.li_desc->lid_flags |= XFS_LID_DIRTY;
-
- next_extent = efdp->efd_next_extent;
- ASSERT(next_extent < efdp->efd_format.efd_nextents);
- extp = &(efdp->efd_format.efd_extents[next_extent]);
- extp->ext_start = start_block;
- extp->ext_len = ext_len;
- efdp->efd_next_extent++;
-
- return error;
-}
-
-/* Sort bmap items by AG. */
-static int
-xfs_extent_free_diff_items(
- void *priv,
- struct list_head *a,
- struct list_head *b)
-{
- struct xfs_mount *mp = priv;
- struct xfs_extent_free_item *ra;
- struct xfs_extent_free_item *rb;
-
- ra = container_of(a, struct xfs_extent_free_item, xefi_list);
- rb = container_of(b, struct xfs_extent_free_item, xefi_list);
- return XFS_FSB_TO_AGNO(mp, ra->xefi_startblock) -
- XFS_FSB_TO_AGNO(mp, rb->xefi_startblock);
-}
-
-/* Get an EFI. */
-STATIC void *
-xfs_extent_free_create_intent(
- struct xfs_trans *tp,
- unsigned int count)
-{
- struct xfs_efi_log_item *efip;
-
- ASSERT(tp != NULL);
- ASSERT(count > 0);
-
- efip = xfs_efi_init(tp->t_mountp, count);
- ASSERT(efip != NULL);
-
- /*
- * Get a log_item_desc to point at the new item.
- */
- xfs_trans_add_item(tp, &efip->efi_item);
- return efip;
-}
-
-/* Log a free extent to the intent item. */
-STATIC void
-xfs_extent_free_log_item(
- struct xfs_trans *tp,
- void *intent,
- struct list_head *item)
-{
- struct xfs_efi_log_item *efip = intent;
- struct xfs_extent_free_item *free;
- uint next_extent;
- struct xfs_extent *extp;
-
- free = container_of(item, struct xfs_extent_free_item, xefi_list);
-
- tp->t_flags |= XFS_TRANS_DIRTY;
- efip->efi_item.li_desc->lid_flags |= XFS_LID_DIRTY;
-
- /*
- * atomic_inc_return gives us the value after the increment;
- * we want to use it as an array index so we need to subtract 1 from
- * it.
- */
- next_extent = atomic_inc_return(&efip->efi_next_extent) - 1;
- ASSERT(next_extent < efip->efi_format.efi_nextents);
- extp = &efip->efi_format.efi_extents[next_extent];
- extp->ext_start = free->xefi_startblock;
- extp->ext_len = free->xefi_blockcount;
-}
-
-/* Get an EFD so we can process all the free extents. */
-STATIC void *
-xfs_extent_free_create_done(
- struct xfs_trans *tp,
- void *intent,
- unsigned int count)
-{
- return xfs_trans_get_efd(tp, intent, count);
-}
-
-/* Process a free extent. */
-STATIC int
-xfs_extent_free_finish_item(
- struct xfs_trans *tp,
- struct xfs_defer_ops *dop,
- struct list_head *item,
- void *done_item,
- void **state)
-{
- struct xfs_extent_free_item *free;
- int error;
-
- free = container_of(item, struct xfs_extent_free_item, xefi_list);
- error = xfs_trans_free_extent(tp, done_item,
- free->xefi_startblock,
- free->xefi_blockcount,
- &free->xefi_oinfo);
- kmem_free(free);
- return error;
-}
-
-/* Abort all pending EFIs. */
-STATIC void
-xfs_extent_free_abort_intent(
- void *intent)
-{
- xfs_efi_release(intent);
-}
-
-/* Cancel a free extent. */
-STATIC void
-xfs_extent_free_cancel_item(
- struct list_head *item)
-{
- struct xfs_extent_free_item *free;
-
- free = container_of(item, struct xfs_extent_free_item, xefi_list);
- kmem_free(free);
-}
-
-static const struct xfs_defer_op_type xfs_extent_free_defer_type = {
- .type = XFS_DEFER_OPS_TYPE_FREE,
- .max_items = XFS_EFI_MAX_FAST_EXTENTS,
- .diff_items = xfs_extent_free_diff_items,
- .create_intent = xfs_extent_free_create_intent,
- .abort_intent = xfs_extent_free_abort_intent,
- .log_item = xfs_extent_free_log_item,
- .create_done = xfs_extent_free_create_done,
- .finish_item = xfs_extent_free_finish_item,
- .cancel_item = xfs_extent_free_cancel_item,
-};
-
-/* Register the deferred op type. */
-void
-xfs_extent_free_init_defer_op(void)
-{
- xfs_defer_init_op_type(&xfs_extent_free_defer_type);
-}
generated by cgit (git 2.34.1) at 2025-12-25 03:16:58 +0000