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authorOmar Sandoval2015-09-30 05:50:38 +0200
committerChris Mason2015-12-17 21:16:47 +0100
commit70f6d82ec73c3ae2d3adc6853c5bebcd73610097 (patch)
treec9f062c00713267ecd5e2e62fc1dd41063fa1426 /fs/btrfs/tests/qgroup-tests.c
parentBtrfs: wire up the free space tree to the extent tree (diff)
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Btrfs: add free space tree mount option
Now we can finally hook up everything so we can actually use free space tree. The free space tree is enabled by passing the space_cache=v2 mount option. On the first mount with the this option set, the free space tree will be created and the FREE_SPACE_TREE read-only compat bit will be set. Any time the filesystem is mounted from then on, we must use the free space tree. The clear_cache option will also clear the free space tree. Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
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