1 fs/dcache.c | 24 ++++++++++++++++++++----
2 include/linux/dcache.h | 2 ++
3 2 files changed, 22 insertions(+), 4 deletions(-)
5 --- linux-2.6.0-test1/fs/dcache.c~vfs_races_2.5.72_rev1 2003-07-24 15:52:47.000000000 +0400
6 +++ linux-2.6.0-test1-alexey/fs/dcache.c 2003-09-13 16:21:16.000000000 +0400
7 @@ -212,7 +212,14 @@ int d_invalidate(struct dentry * dentry)
8 spin_unlock(&dcache_lock);
13 + /* network invalidation by Lustre */
14 + if (dentry->d_flags & DCACHE_LUSTRE_INVALID) {
15 + spin_unlock(&dcache_lock);
20 * Check whether to do a partial shrink_dcache
21 * to get rid of unused child entries.
23 @@ -1135,14 +1142,23 @@ void d_delete(struct dentry * dentry)
24 * Adds a dentry to the hash according to its name.
27 -void d_rehash(struct dentry * entry)
28 +void __d_rehash(struct dentry * entry, int lock)
30 struct hlist_head *list = d_hash(entry->d_parent, entry->d_name.hash);
31 - spin_lock(&dcache_lock);
33 + spin_lock(&dcache_lock);
34 entry->d_vfs_flags &= ~DCACHE_UNHASHED;
35 entry->d_bucket = list;
36 hlist_add_head_rcu(&entry->d_hash, list);
37 - spin_unlock(&dcache_lock);
39 + spin_unlock(&dcache_lock);
42 +EXPORT_SYMBOL(__d_rehash);
44 +void d_rehash(struct dentry * entry)
46 + __d_rehash(entry, 1);
49 #define do_switch(x,y) do { \
50 --- linux-2.6.0-test1/include/linux/dcache.h~vfs_races_2.5.72_rev1 2003-09-13 16:21:05.000000000 +0400
51 +++ linux-2.6.0-test1-alexey/include/linux/dcache.h 2003-09-13 16:21:16.000000000 +0400
52 @@ -156,6 +156,8 @@ d_iput: no no yes
54 #define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */
55 #define DCACHE_UNHASHED 0x0010
56 +#define DCACHE_LUSTRE_INVALID 0x0020 /* Lustre invalidated */
59 extern spinlock_t dcache_lock;