diff options
Diffstat (limited to 'Documentation/filesystems/dentry-locking.txt')
| -rw-r--r-- | Documentation/filesystems/dentry-locking.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/filesystems/dentry-locking.txt b/Documentation/filesystems/dentry-locking.txt index 4c0c575a4012..79334ed5daa7 100644 --- a/Documentation/filesystems/dentry-locking.txt +++ b/Documentation/filesystems/dentry-locking.txt | |||
| @@ -62,7 +62,8 @@ changes are : | |||
| 62 | 2. Insertion of a dentry into the hash table is done using | 62 | 2. Insertion of a dentry into the hash table is done using |
| 63 | hlist_add_head_rcu() which take care of ordering the writes - the | 63 | hlist_add_head_rcu() which take care of ordering the writes - the |
| 64 | writes to the dentry must be visible before the dentry is | 64 | writes to the dentry must be visible before the dentry is |
| 65 | inserted. This works in conjunction with hlist_for_each_rcu() while | 65 | inserted. This works in conjunction with hlist_for_each_rcu(), |
| 66 | which has since been replaced by hlist_for_each_entry_rcu(), while | ||
| 66 | walking the hash chain. The only requirement is that all | 67 | walking the hash chain. The only requirement is that all |
| 67 | initialization to the dentry must be done before | 68 | initialization to the dentry must be done before |
| 68 | hlist_add_head_rcu() since we don't have dcache_lock protection | 69 | hlist_add_head_rcu() since we don't have dcache_lock protection |