btrfs-progs/cmds
David Sterba f123c28412 btrfs-progs: fi resize: add support for cancel
Recognize special resize amount 'cancel' for resize operation.  This
will request kernel to stop running any resize operation (most likely
shrinking resize). This needs support in kernel, otherwise this will
fail due to another exclusive operation running (though could be the
same one).

The command returns after kernel finishes any work that got interrupted,
but this should not take long in kernels 5.10+ that allow interruptible
relocation. The waiting inside kernel is interruptible so this command
(and the waiting stage) can be interrupted.

The resize operation could relocate block groups but the nominal
filesystem size will be restored when resize won't finish. It's
recommended to review the filesystem state.

Note: in kernels 5.10+ sending a fatal signal (TERM, KILL, Ctrl-C) to
the process running the resize will cancel it too.

Example:

  $ btrfs fi resize -10G /mnt
  ...
  $ btrfs fi resize cancel /mnt

Signed-off-by: David Sterba <dsterba@suse.com>
2021-05-20 22:43:29 +02:00
..
balance.c btrfs-progs: split open/close helpers from utils.c 2021-05-06 16:41:47 +02:00
commands.h btrfs-progs: help: define helper for command with flags 2019-07-03 20:49:04 +02:00
device.c btrfs-progs: device remove: add support for cancel 2021-05-20 22:14:18 +02:00
filesystem-du.c btrfs-progs: split unit related helpers from utils.c 2021-05-06 16:41:47 +02:00
filesystem-usage.c btrfs-progs: fi usage: print zone unusable in the overview 2021-05-08 00:58:50 +02:00
filesystem-usage.h btrfs-progs: move all cmds-fi*.c to cmds/ 2019-07-03 20:49:03 +02:00
filesystem.c btrfs-progs: fi resize: add support for cancel 2021-05-20 22:43:29 +02:00
inspect-dump-super.c btrfs-progs: zoned: implement log-structured superblock 2021-05-06 16:41:45 +02:00
inspect-dump-tree.c btrfs-progs: factor open_ctree parameters to a structure 2021-03-24 22:20:19 +01:00
inspect-tree-stats.c btrfs-progs: split unit related helpers from utils.c 2021-05-06 16:41:47 +02:00
inspect.c btrfs-progs: fix inspect-internal --help incomplete sentence 2021-05-17 14:26:32 +02:00
property.c btrfs-progs: move ctree.c to kernel-shared/ 2020-08-31 17:01:05 +02:00
qgroup.c btrfs-progs: split unit related helpers from utils.c 2021-05-06 16:41:47 +02:00
quota.c btrfs-progs: split open/close helpers from utils.c 2021-05-06 16:41:47 +02:00
receive-dump.c btrfs-progs: move send-utils.c to common/ 2020-08-31 17:01:04 +02:00
receive-dump.h btrfs-progs: move send-dump.c to cmds/receive-dump.c 2020-08-31 17:01:04 +02:00
receive.c btrfs-progs: build: remove incomplete android support 2021-05-06 16:41:47 +02:00
replace.c btrfs-progs: split open/close helpers from utils.c 2021-05-06 16:41:47 +02:00
rescue-chunk-recover.c btrfs-progs: build: remove incomplete android support 2021-05-06 16:41:47 +02:00
rescue-super-recover.c btrfs-progs: move volumes.c to kernel-shared/ 2020-08-31 17:01:06 +02:00
rescue.c btrfs-progs: split open/close helpers from utils.c 2021-05-06 16:41:47 +02:00
rescue.h btrfs-progs: super-recover: add global verbose option 2020-06-12 19:31:37 +02:00
restore.c btrfs-progs: split open/close helpers from utils.c 2021-05-06 16:41:47 +02:00
scrub.c btrfs-progs: split unit related helpers from utils.c 2021-05-06 16:41:47 +02:00
send.c btrfs-progs: send: fix crash on unknown option 2021-01-13 22:33:09 +01:00
subvolume.c btrfs-progs: split unit related helpers from utils.c 2021-05-06 16:41:47 +02:00