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authorChris Mason <chris.mason@fusionio.com>2013-03-05 11:11:26 -0500
committerChris Mason <chris.mason@fusionio.com>2013-03-05 11:30:16 -0500
commit154ea2893002618bc3f9a1e2d8186c65490968b1 (patch)
tree5a74f2ccc965aef784891a29d1ded2b8610257a7 /fs/sysfs/group.c
parentd7011f5b9dd3c88feb5cebad7d0b719ed6816ebd (diff)
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Btrfs: enforce min_bytes parameter during extent allocation
Commit 24542bf7ea5e4fdfdb5157ff544c093fa4dcb536 changed preallocation of extents to cap the max size we try to allocate. It's a valid change, but the extent reservation code is also used by balance, and that can't tolerate a smaller extent being allocated. __btrfs_prealloc_file_range already has a min_size parameter, which is used by relocation to request a specific extent size. This commit adds an extra check to enforce that minimum extent size. Signed-off-by: Chris Mason <chris.mason@fusionio.com> Reported-by: Stefan Behrens <sbehrens@giantdisaster.de>
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