btrfs: fix bytes_may_use leak in move_existing_remap()

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If the call to btrfs_reserve_extent() in move_existing_remap() returns a
smaller extent than we asked for, currently we're not undoing the
bytes_may_use change that we made. Fix this by calling
btrfs_space_info_update_bytes_may_use() again for the difference.

Fixes: bbea42dfb9 ("btrfs: move existing remaps before relocating block group")
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Mark Harmstone <mark@harmstone.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Mark Harmstone 2026-03-23 12:59:47 +00:00 • committed by David Sterba

parent fc3d532881

commit 68a135013b

1 changed files with 6 additions and 0 deletions

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fs/btrfs/relocation.c

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