X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fdcache.c;h=44f6cf23b70e3baf4affccf31a68568aff7dd496;hb=4b11111aba6c80cc2969fd1806d2a869bfc9f357;hp=bde6057c5df63927b77a78c7945d029dfd80184f;hpb=85864e103850962389d77467391bc3da021d070f;p=linux-2.6

diff --git a/fs/dcache.c b/fs/dcache.c
index bde6057c5d..44f6cf23b7 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -38,7 +38,7 @@ int sysctl_vfs_cache_pressure __read_mostly = 100;
 EXPORT_SYMBOL_GPL(sysctl_vfs_cache_pressure);
 
  __cacheline_aligned_in_smp DEFINE_SPINLOCK(dcache_lock);
-static __cacheline_aligned_in_smp DEFINE_SEQLOCK(rename_lock);
+__cacheline_aligned_in_smp DEFINE_SEQLOCK(rename_lock);
 
 EXPORT_SYMBOL(dcache_lock);
 
@@ -89,7 +89,7 @@ static void d_free(struct dentry *dentry)
 	if (dentry->d_op && dentry->d_op->d_release)
 		dentry->d_op->d_release(dentry);
 	/* if dentry was never inserted into hash, immediate free is OK */
-	if (dentry->d_hash.pprev == NULL)
+	if (hlist_unhashed(&dentry->d_hash))
 		__d_free(dentry);
 	else
 		call_rcu(&dentry->d_u.d_rcu, d_callback);
@@ -553,18 +553,18 @@ void shrink_dcache_sb(struct super_block * sb)
 	 * superblock to the most recent end of the unused list.
 	 */
 	spin_lock(&dcache_lock);
-	list_for_each_safe(tmp, next, &dentry_unused) {
+	list_for_each_prev_safe(tmp, next, &dentry_unused) {
 		dentry = list_entry(tmp, struct dentry, d_lru);
 		if (dentry->d_sb != sb)
 			continue;
-		list_move(tmp, &dentry_unused);
+		list_move_tail(tmp, &dentry_unused);
 	}
 
 	/*
 	 * Pass two ... free the dentries for this superblock.
 	 */
 repeat:
-	list_for_each_safe(tmp, next, &dentry_unused) {
+	list_for_each_prev_safe(tmp, next, &dentry_unused) {
 		dentry = list_entry(tmp, struct dentry, d_lru);
 		if (dentry->d_sb != sb)
 			continue;
@@ -1408,9 +1408,6 @@ void d_delete(struct dentry * dentry)
 	if (atomic_read(&dentry->d_count) == 1) {
 		dentry_iput(dentry);
 		fsnotify_nameremove(dentry, isdir);
-
-		/* remove this and other inotify debug checks after 2.6.18 */
-		dentry->d_flags &= ~DCACHE_INOTIFY_PARENT_WATCHED;
 		return;
 	}
 
@@ -1479,6 +1476,8 @@ static void switch_names(struct dentry *dentry, struct dentry *target)
 			 * dentry:internal, target:external.  Steal target's
 			 * storage and make target internal.
 			 */
+			memcpy(target->d_iname, dentry->d_name.name,
+					dentry->d_name.len + 1);
 			dentry->d_name.name = target->d_name.name;
 			target->d_name.name = target->d_iname;
 		}
@@ -1510,8 +1509,8 @@ static void switch_names(struct dentry *dentry, struct dentry *target)
  * This forceful removal will result in ugly /proc output if
  * somebody holds a file open that got deleted due to a rename.
  * We could be nicer about the deleted file, and let it show
- * up under the name it got deleted rather than the name that
- * deleted it.
+ * up under the name it had before it was deleted rather than
+ * under the original name of the file that was moved on top of it.
  */
  
 /*
@@ -1542,7 +1541,7 @@ static void d_move_locked(struct dentry * dentry, struct dentry * target)
 	}
 
 	/* Move the dentry to the target hash queue, if on different bucket */
-	if (dentry->d_flags & DCACHE_UNHASHED)
+	if (d_unhashed(dentry))
 		goto already_unhashed;
 
 	hlist_del_rcu(&dentry->d_hash);