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btrfs: document special case error codes for fs errors
authorJosef Bacik <josef@toxicpanda.com>
Tue, 21 Jul 2020 15:24:28 +0000 (11:24 -0400)
committerDavid Sterba <dsterba@suse.com>
Mon, 27 Jul 2020 10:55:46 +0000 (12:55 +0200)
commit59131393434b49a313cfeb11ae880e13149d13b6
tree9e5e3138bc77a37aedd570cec47715ce53078abe
parentf95ebdbed46a4d8b9fdb7bff109fdbb6fc9a6dc8
btrfs: document special case error codes for fs errors

We've had some discussions about what to do in certain scenarios for
error codes, specifically EUCLEAN and EROFS.  Document these near the
error handling code so its clear what their intentions are.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/super.c