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author | 2019-11-19 13:59:20 -0500 | |
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committer | 2019-12-13 14:09:23 +0100 | |
commit | 943eb3bf25f4a7b745dd799e031be276aa104d82 (patch) | |
tree | a649d2de74efae956436897461ba66cbf0ed3557 /fs/btrfs/tree-checker.c | |
parent | btrfs: handle error in btrfs_cache_block_group (diff) | |
download | linux-943eb3bf25f4a7b745dd799e031be276aa104d82.tar.gz linux-943eb3bf25f4a7b745dd799e031be276aa104d82.tar.bz2 linux-943eb3bf25f4a7b745dd799e031be276aa104d82.zip |
btrfs: don't double lock the subvol_sem for rename exchange
If we're rename exchanging two subvols we'll try to lock this lock
twice, which is bad. Just lock once if either of the ino's are subvols.
Fixes: cdd1fedf8261 ("btrfs: add support for RENAME_EXCHANGE and RENAME_WHITEOUT")
CC: stable@vger.kernel.org # 4.4+
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/tree-checker.c')
0 files changed, 0 insertions, 0 deletions