AuxXxilium/linux_dsm_epyc7002
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c08768977b
linux_dsm_epyc7002/fs/xfs/libxfs
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Dave Chinner c08768977b xfs: finobt AG reserves don't consider last AG can be a runt 
The last AG may be very small comapred to all other AGs, and hence
AG reservations based on the superblock AG size may actually consume
more space than the AG actually has. This results on assert failures
like:

XFS: Assertion failed: xfs_perag_resv(pag, XFS_AG_RESV_METADATA)->ar_reserved + xfs_perag_resv(pag, XFS_AG_RESV_RMAPBT)->ar_reserved <= pag->pagf_freeblks + pag->pagf_flcount, file: fs/xfs/libxfs/xfs_ag_resv.c, line: 319
[   48.932891]  xfs_ag_resv_init+0x1bd/0x1d0
[   48.933853]  xfs_fs_reserve_ag_blocks+0x37/0xb0
[   48.934939]  xfs_mountfs+0x5b3/0x920
[   48.935804]  xfs_fs_fill_super+0x462/0x640
[   48.936784]  ? xfs_test_remount_options+0x60/0x60
[   48.937908]  mount_bdev+0x178/0x1b0
[   48.938751]  mount_fs+0x36/0x170
[   48.939533]  vfs_kern_mount.part.43+0x54/0x130
[   48.940596]  do_mount+0x20e/0xcb0
[   48.941396]  ? memdup_user+0x3e/0x70
[   48.942249]  ksys_mount+0xba/0xd0
[   48.943046]  __x64_sys_mount+0x21/0x30
[   48.943953]  do_syscall_64+0x54/0x170
[   48.944835]  entry_SYSCALL_64_after_hwframe+0x49/0xbe

Hence we need to ensure the finobt per-ag space reservations take
into account the size of the last AG rather than treat it like all
the other full size AGs.

Note that both refcountbt and rmapbt already take the size of the AG
into account via reading the AGF length directly.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2018-11-20 10:36:11 -08:00
..
xfs_ag_resv.c xfs: pass transaction lock while setting up agresv on cyclic metadata 2018-07-29 22:37:08 -07:00
xfs_ag_resv.h xfs: pass transaction lock while setting up agresv on cyclic metadata 2018-07-29 22:37:08 -07:00
xfs_ag.c xfs: factor the ag length extension code into libxfs 2018-05-15 18:12:51 -07:00
xfs_ag.h xfs: factor the ag length extension code into libxfs 2018-05-15 18:12:51 -07:00
xfs_alloc_btree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_alloc_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_alloc.c xfs: always defer agfl block frees 2018-08-02 23:05:14 -07:00
xfs_alloc.h xfs: remove xfs_alloc_arg firstblock field 2018-07-11 22:26:30 -07:00
xfs_attr_leaf.c xfs: fix overflow in xfs_attr3_leaf_verify 2018-11-06 07:50:50 -08:00
xfs_attr_leaf.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_attr_remote.c xfs: remove last of unnecessary xfs_defer_cancel() callers 2018-09-29 13:41:58 +10:00
xfs_attr_remote.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_attr_sf.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_attr.c xfs: Add attibute remove and helper functions 2018-10-18 17:21:23 +11:00
xfs_attr.h xfs: Add attibute remove and helper functions 2018-10-18 17:21:23 +11:00
xfs_bit.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_bit.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_bmap_btree.c xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_bmap_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_bmap.c xfs: Add attibute set and helper functions 2018-10-18 17:21:16 +11:00
xfs_bmap.h xfs: Add attibute set and helper functions 2018-10-18 17:21:16 +11:00
xfs_btree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_btree.h xfs: fold dfops into the transaction 2018-08-02 23:05:14 -07:00
xfs_cksum.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_da_btree.c xfs: check da node magic in _node_lookup_int 2018-08-01 07:42:43 -07:00
xfs_da_btree.h xfs: fold dfops into the transaction 2018-08-02 23:05:14 -07:00
xfs_da_format.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_da_format.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_defer.c xfs: fold dfops into the transaction 2018-08-02 23:05:14 -07:00
xfs_defer.h xfs: fold dfops into the transaction 2018-08-02 23:05:14 -07:00
xfs_dir2_block.c xfs: clean up MIN/MAX 2018-06-08 10:07:52 -07:00
xfs_dir2_data.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_dir2_leaf.c xfs: clean up MIN/MAX 2018-06-08 10:07:52 -07:00
xfs_dir2_node.c xfs: use swap macro in xfs_dir2_leafn_rebalance 2018-07-17 14:25:57 -07:00
xfs_dir2_priv.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_dir2_sf.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_dir2.c xfs: fold dfops into the transaction 2018-08-02 23:05:14 -07:00
xfs_dir2.h xfs: fold dfops into the transaction 2018-08-02 23:05:14 -07:00
xfs_dquot_buf.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_errortag.h xfs: force summary counter recalc at next mount 2018-07-23 09:08:01 -07:00
xfs_format.h xfs: remove suport for filesystems without unwritten extent flag 2018-10-18 17:18:58 +11:00
xfs_fs.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ialloc_btree.c xfs: finobt AG reserves don't consider last AG can be a runt 2018-11-20 10:36:11 -08:00
xfs_ialloc_btree.h xfs: pass transaction lock while setting up agresv on cyclic metadata 2018-07-29 22:37:08 -07:00
xfs_ialloc.c xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_ialloc.h xfs: remove dfops parameter from ifree call stack 2018-07-11 22:26:07 -07:00
xfs_iext_tree.c xfs: use WRITE_ONCE to update if_seq 2018-08-07 10:57:12 -07:00
xfs_inode_buf.c xfs: validate inode di_forkoff 2018-09-29 13:50:13 +10:00
xfs_inode_buf.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_inode_fork.c xfs: remove the xfs_ifork_t typedef 2018-07-30 07:57:48 -07:00
xfs_inode_fork.h xfs: maintain a sequence count for inode fork manipulations 2018-07-31 13:18:09 -07:00
xfs_log_format.h xfs: refactor unmount record write 2018-07-23 09:08:01 -07:00
xfs_log_recover.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_log_rlimit.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_quota_defs.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_refcount_btree.c xfs: pass transaction lock while setting up agresv on cyclic metadata 2018-07-29 22:37:08 -07:00
xfs_refcount_btree.h xfs: pass transaction lock while setting up agresv on cyclic metadata 2018-07-29 22:37:08 -07:00
xfs_refcount.c xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_refcount.h xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_rmap_btree.c xfs: pass transaction lock while setting up agresv on cyclic metadata 2018-07-29 22:37:08 -07:00
xfs_rmap_btree.h xfs: pass transaction lock while setting up agresv on cyclic metadata 2018-07-29 22:37:08 -07:00
xfs_rmap.c xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_rmap.h xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_rtbitmap.c xfs: fix off-by-one error in xfs_rtalloc_query_range 2018-06-24 11:56:36 -07:00
xfs_sb.c xfs: remove suport for filesystems without unwritten extent flag 2018-10-18 17:18:58 +11:00
xfs_sb.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_shared.h xfs: replace dop_low with transaction flag 2018-08-02 23:05:13 -07:00
xfs_symlink_remote.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trans_resv.c xfs: clean up MIN/MAX 2018-06-08 10:07:52 -07:00
xfs_trans_resv.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trans_space.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_types.c xfs: verify icount in superblock write 2018-07-31 13:18:09 -07:00
xfs_types.h xfs: verify icount in superblock write 2018-07-31 13:18:09 -07:00