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alistair23-linux/fs/xfs/libxfs
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Darrick J. Wong d8cb5e4237 xfs: fix fdblocks accounting w/ RMAPBT per-AG reservation 
In __xfs_ag_resv_init we incorrectly calculate the amount by which to
decrease fdblocks when reserving blocks for the rmapbt.  Because rmapbt
allocations do not decrease fdblocks, we must decrease fdblocks by the
entire size of the requested reservation in order to achieve our goal of
always having enough free blocks to satisfy an rmapbt expansion.

This is in contrast to the refcountbt/finobt, which /do/ subtract from
fdblocks whenever they allocate a block.  For this allocation type we
preserve the existing behavior where we decrease fdblocks only by the
requested reservation minus the size of the existing tree.

This fixes the problem where the available block counts reported by
statfs change across a remount if there had been an rmapbt size change
since mount time.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
2018-06-24 12:00:12 -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_ag_resv.c xfs: fix fdblocks accounting w/ RMAPBT per-AG reservation 2018-06-24 12:00:12 -07:00
xfs_ag_resv.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_alloc.c xfs: move various type verifiers to common file 2018-06-08 10:07:51 -07:00
xfs_alloc.h xfs: move various type verifiers to common file 2018-06-08 10:07:51 -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_attr.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_attr_leaf.c xfs: don't call xfs_da_shrink_inode with NULL bp 2018-06-08 10:07:52 -07:00
xfs_attr_leaf.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_attr_remote.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
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_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.c xfs: don't allow insert-range to shift extents past the maximum offset 2018-06-24 11:56:36 -07:00
xfs_bmap.h xfs: don't allow insert-range to shift extents past the maximum offset 2018-06-24 11:56:36 -07:00
xfs_bmap_btree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_bmap_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_btree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -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: clean up MIN/MAX 2018-06-08 10:07:52 -07:00
xfs_da_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -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: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_defer.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_dir2.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_dir2.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -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: convert to SPDX license tags 2018-06-06 14:17:53 -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_dquot_buf.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_errortag.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_format.h xfs: don't allow insert-range to shift extents past the maximum offset 2018-06-24 11:56:36 -07:00
xfs_fs.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ialloc.c xfs: update incore per-AG inode count 2018-06-11 21:53:52 -07:00
xfs_ialloc.h xfs: move various type verifiers to common file 2018-06-08 10:07:51 -07:00
xfs_ialloc_btree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ialloc_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_iext_tree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_inode_buf.c xfs: More robust inode extent count validation 2018-06-21 23:25:57 -07:00
xfs_inode_buf.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_inode_fork.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_inode_fork.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_log_format.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -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.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_refcount.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_refcount_btree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_refcount_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_rmap.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_rmap.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_rmap_btree.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_rmap_btree.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -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: clean up MIN/MAX 2018-06-08 10:07:52 -07:00
xfs_sb.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_shared.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -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: move various type verifiers to common file 2018-06-08 10:07:51 -07:00
xfs_types.h xfs: move various type verifiers to common file 2018-06-08 10:07:51 -07:00