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Btrfs: remove BUG() in add_data_reference 

Now that we have a helper to report invalid value of extent inline ref
type, we need to quit gracefully instead of throwing out a kernel panic.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2017-08-18 15:15:22 -06:00 committed by David Sterba
parent 07638ea598
commit b14c55a191
1 changed files with 4 additions and 1 deletions
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5
fs/btrfs/relocation.c
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@ -3772,7 +3772,10 @@ int add_data_references(struct reloc_control *rc,
ret = find_data_references(rc, extent_key,
eb, dref, blocks);
} else {
BUG();
ret = -EINVAL;
btrfs_err(rc->extent_root->fs_info,
"extent %llu slot %d has an invalid inline ref type",
eb->start, path->slots[0]);
}
if (ret) {
err = ret;