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authorDavid Sterba <dsterba@suse.cz>2013-12-06 17:51:32 +0100
committerChris Mason <clm@fb.com>2013-12-12 16:11:38 +0100
commite43f998e47bae27e37e159915625e8d4b130153b (patch)
tree03a1788ff0601554fca2c0fce2476548c80c78bd /fs/btrfs/extent-tree.c
parentBtrfs: don't clear the default compression type (diff)
downloadlinux-e43f998e47bae27e37e159915625e8d4b130153b.tar.xz
linux-e43f998e47bae27e37e159915625e8d4b130153b.zip
btrfs: call mnt_drop_write after interrupted subvol deletion
If btrfs_ioctl_snap_destroy blocks on the mutex and the process is killed, mnt_write count is unbalanced and leads to unmountable filesystem. CC: stable@vger.kernel.org Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
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