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Commit 619104ba453ad0 ("btrfs: move common NOCOW checks against a file
extent into a helper") changed our call to btrfs_cross_ref_exist() to
always pass false for the 'strict' parameter. We're passing this down
through the stack so that we can do a full check for cross references
during swapfile activation.
With strict always false, this test fails:
btrfs subvol create swappy
chattr +C swappy
fallocate -l1G swappy/swapfile
chmod 600 swappy/swapfile
mkswap swappy/swapfile
btrfs subvol snap swappy swapsnap
btrfs subvol del -C swapsnap
btrfs fi sync /
sync;sync;sync
swapon swappy/swapfile
The fix is to just use args->strict, and everyone except swapfile
activation is passing false.
Fixes: 619104ba453ad0 ("btrfs: move common NOCOW checks against a file extent into a helper")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
deccae40e4