Btrfs: ensure send always works on roots without orphans

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Move the logic from the snapshot creation ioctl into send. This avoids
doing the transaction commit if send isn't used, and ensures that if
a crash/reboot happens after the transaction commit that created the
snapshot and before the transaction commit that switched the commit
root, send will not get a commit root that differs from the main root
(that has orphan items).

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>

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Filipe Manana 2014-10-21 11:11:41 +01:00 • committed by Chris Mason

parent 758eb51e71

commit e5fa8f865b

2 changed files with 49 additions and 29 deletions

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29

fs/btrfs/ioctl.c

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49

fs/btrfs/send.c

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