btrfs: introduce btrfs_try_lock_balance

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This function contains the factored out locking sequence of
btrfs_ioctl_balance. Having this piece of code separate helps to
simplify btrfs_ioctl_balance which has too complicated.  This will be
used in the next patch to streamline the logic in btrfs_ioctl_balance.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Nikolay Borisov 2022-05-03 11:36:36 +03:00 • committed by David Sterba

parent 1e87770cb3

commit 7fb10ed89e

1 changed files with 66 additions and 0 deletions

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fs/btrfs/ioctl.c

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