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[JFFS2] Improve failure mode if inode checking leaves unchecked space. 

We should never find the unchecked size is non-zero after we've finished
checking all inodes. If it happens, used to BUG(), leaving the alloc_sem
held and deadlocking. Instead, just return -ENOSPC after complaining. The
GC thread will die, but read-only operation should be able to continue and
the file system should be unmountable.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2007-04-23 12:11:46 +01:00
parent 566865a2a4
commit 44b998e1eb
1 changed files with 2 additions and 1 deletions
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3
fs/jffs2/gc.c
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@ -144,7 +144,8 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
c->unchecked_size);
jffs2_dbg_dump_block_lists_nolock(c);
spin_unlock(&c->erase_completion_lock);
BUG();
up(&c->alloc_sem);
return -ENOSPC;
}
spin_unlock(&c->erase_completion_lock);