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| author | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2012-05-30 20:05:21 +0400 |
|---|---|---|
| committer | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2012-05-31 21:53:08 +0400 |
| commit | 3301958b7c1dae8f0f5ded63aa881e0b71e78464 (patch) | |
| tree | 11d1c098981a65bcbe11f4be594d6e9855f55448 /fs/btrfs/ulist.h | |
| parent | 95a06077f7edbd00d32612562be4d857a5b7df54 (diff) | |
| download | linux-3301958b7c1dae8f0f5ded63aa881e0b71e78464.tar.xz | |
Btrfs: add inodes before dropping the extent lock in find_all_leafs
We must build up the inode list with the extent lock held after following
indirect refs.
This also requires an extension to ulists, which allows to modify the stored
aux value in case a key already exists in the list.
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Diffstat (limited to 'fs/btrfs/ulist.h')
| -rw-r--r-- | fs/btrfs/ulist.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ulist.h b/fs/btrfs/ulist.h index 62d2574f775a..f1b1bf00c5a9 100644 --- a/fs/btrfs/ulist.h +++ b/fs/btrfs/ulist.h @@ -67,6 +67,8 @@ struct ulist *ulist_alloc(unsigned long gfp_mask); void ulist_free(struct ulist *ulist); int ulist_add(struct ulist *ulist, u64 val, unsigned long aux, unsigned long gfp_mask); +int ulist_add_merge(struct ulist *ulist, u64 val, unsigned long aux, + unsigned long *old_aux, unsigned long gfp_mask); struct ulist_node *ulist_next(struct ulist *ulist, struct ulist_iterator *uiter); |