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btrfs: replace many BUG_ONs with proper error handling

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btrfs currently handles most errors with BUG_ON. This patch is a work-in-
 progress but aims to handle most errors other than internal logic
 errors and ENOMEM more gracefully.

 This iteration prevents most crashes but can run into lockups with
 the page lock on occasion when the timing "works out."

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
This commit is contained in:
Jeff Mahoney
2012-03-12 16:03:00 +01:00
committed by David Sterba
parent 49b25e0540
commit 79787eaab4
23 changed files with 980 additions and 385 deletions
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2
fs/btrfs/orphan.c
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@ -58,7 +58,7 @@ int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
if (ret < 0)
goto out;
if (ret) {
if (ret) { /* JDM: Really? */
ret = -ENOENT;
goto out;
}