On 23.10.2014 16:24, Roman Mamedov wrote:
I was under impression that the "Transaction commit:" setting in 'btrfs sub
del' finally allows us to make it not return until all free space from the
snapshots that are being deleted, is completely freed up.
This is not what "commit-each" or "commit-after" options do. These are
only to make sure, that the deletion is commited and the subvolume
doesn't reappear after a crash.
You probably want "subvolume sync" command, introduced in btrfs-progs 3.17:
btrfs subvolume sync <path> [<subvol-id>...]
Wait until given subvolume(s) are completely removed from the
filesystem.
Regards
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