btrfs: hold ref on root in btrfs_ioctl_default_subvol

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We look up an arbitrary fs root here, we need to hold a ref on the root
for the duration.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Josef Bacik 2020-01-24 09:32:37 -05:00 • committed by David Sterba

parent 04734e8448

commit 2a2b5d6202

1 changed files with 14 additions and 8 deletions

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fs/btrfs/ioctl.c

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