btrfs: Add graceful handling of V0 extents

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Following the removal of the v0 handling code let's be courteous and
print an error message when such extents are handled. In the cases
where we have a transaction just abort it, otherwise just call
btrfs_handle_fs_error. Both cases result in the FS being re-mounted RO.

In case the error handling would be too intrusive, leave the BUG_ON in
place, like extent_data_ref_count, other proper handling would catch
that earlier.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Nikolay Borisov 2018-06-26 16:57:36 +03:00 • committed by David Sterba

parent a79865c680

commit ba3c2b196b

4 changed files with 72 additions and 10 deletions

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7

fs/btrfs/ctree.h

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39

fs/btrfs/extent-tree.c

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9

fs/btrfs/print-tree.c

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27

fs/btrfs/relocation.c

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