diff options
Diffstat (limited to 'fs/xfs/xfs_trans_extfree.c')
| -rw-r--r-- | fs/xfs/xfs_trans_extfree.c | 98 |
1 files changed, 78 insertions, 20 deletions
diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c index ab438647592a..bd66c76f55e6 100644 --- a/fs/xfs/xfs_trans_extfree.c +++ b/fs/xfs/xfs_trans_extfree.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 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" @@ -68,7 +56,8 @@ xfs_trans_free_extent( struct xfs_efd_log_item *efdp, xfs_fsblock_t start_block, xfs_extlen_t ext_len, - struct xfs_owner_info *oinfo) + struct xfs_owner_info *oinfo, + bool skip_discard) { struct xfs_mount *mp = tp->t_mountp; uint next_extent; @@ -79,9 +68,8 @@ xfs_trans_free_extent( 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); - + error = __xfs_free_extent(tp, start_block, ext_len, + oinfo, XFS_AG_RESV_NONE, skip_discard); /* * Mark the transaction dirty, even on error. This ensures the * transaction is aborted, which: @@ -90,7 +78,7 @@ xfs_trans_free_extent( * 2.) shuts down the filesystem */ tp->t_flags |= XFS_TRANS_DIRTY; - efdp->efd_item.li_desc->lid_flags |= XFS_LID_DIRTY; + set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags); next_extent = efdp->efd_next_extent; ASSERT(next_extent < efdp->efd_format.efd_nextents); @@ -155,7 +143,7 @@ xfs_extent_free_log_item( 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; + set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags); /* * atomic_inc_return gives us the value after the increment; @@ -195,7 +183,7 @@ xfs_extent_free_finish_item( error = xfs_trans_free_extent(tp, done_item, free->xefi_startblock, free->xefi_blockcount, - &free->xefi_oinfo); + &free->xefi_oinfo, free->xefi_skip_discard); kmem_free(free); return error; } @@ -231,9 +219,79 @@ static const struct xfs_defer_op_type xfs_extent_free_defer_type = { .cancel_item = xfs_extent_free_cancel_item, }; +/* + * AGFL blocks are accounted differently in the reserve pools and are not + * inserted into the busy extent list. + */ +STATIC int +xfs_agfl_free_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_efd_log_item *efdp = done_item; + struct xfs_extent_free_item *free; + struct xfs_extent *extp; + struct xfs_buf *agbp; + int error; + xfs_agnumber_t agno; + xfs_agblock_t agbno; + uint next_extent; + + free = container_of(item, struct xfs_extent_free_item, xefi_list); + ASSERT(free->xefi_blockcount == 1); + agno = XFS_FSB_TO_AGNO(mp, free->xefi_startblock); + agbno = XFS_FSB_TO_AGBNO(mp, free->xefi_startblock); + + trace_xfs_agfl_free_deferred(mp, agno, 0, agbno, free->xefi_blockcount); + + error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp); + if (!error) + error = xfs_free_agfl_block(tp, agno, agbno, agbp, + &free->xefi_oinfo); + + /* + * 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; + set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags); + + 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 = free->xefi_startblock; + extp->ext_len = free->xefi_blockcount; + efdp->efd_next_extent++; + + kmem_free(free); + return error; +} + + +/* sub-type with special handling for AGFL deferred frees */ +static const struct xfs_defer_op_type xfs_agfl_free_defer_type = { + .type = XFS_DEFER_OPS_TYPE_AGFL_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_agfl_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); + xfs_defer_init_op_type(&xfs_agfl_free_defer_type); } |