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author | Andrea Bastoni <bastoni@cs.unc.edu> | 2010-05-30 19:16:45 -0400 |
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committer | Andrea Bastoni <bastoni@cs.unc.edu> | 2010-05-30 19:16:45 -0400 |
commit | ada47b5fe13d89735805b566185f4885f5a3f750 (patch) | |
tree | 644b88f8a71896307d71438e9b3af49126ffb22b /Documentation/filesystems/dentry-locking.txt | |
parent | 43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff) | |
parent | 3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff) |
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
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66 | which has since been replaced by hlist_for_each_entry_rcu(), while | ||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 |