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(parent: 17aaa43) | patch
btrfs: add cancellation to resize
authorDavid Sterba <dsterba@suse.com>
Tue, 18 May 2021 19:12:33 +0000 (21:12 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 21 Jun 2021 13:19:07 +0000 (15:19 +0200)
commitbb059a37c9ff3e40c0348e82a7e3ebd3918cf418
treecfdf5a402b913ec6907a6089b6adfd871ed632c5tree | snapshot
parent17aaa434ed39cbad48824ef4bb9ec3707091ae5bcommit | diff
btrfs: add cancellation to resize

Accept literal string "cancel" as resize operation and interpret that
as a request to cancel the running operation. If it's running, wait
until it finishes current work and return ECANCELED.

Shrinking resize uses relocation to move the chunks away, use the
conditional exclusive operation start and cancellation helpers.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ioctl.c diff | blob | history
Domain: System / Kernel;