Btrfs: fix deadlock in run_delalloc_nocow

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commit e89166990f upstream.

@cur_offset is not set back to what it should be (@cow_start) if
btrfs_next_leaf() returns something wrong, and the range [cow_start,
cur_offset) remains locked forever.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Liu Bo 2018-01-25 11:02:50 -07:00 • committed by Ben Hutchings

parent 43d981dcb8

commit d06cf37f08

1 changed files with 4 additions and 1 deletions

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fs/btrfs/inode.c

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