ACPI: EC: use printk_ratelimit(), add some DEBUG mode messages

[linux-2.6-omap-h63xx.git] / fs / dcache.c

diff --git a/fs/dcache.c b/fs/dcache.c
index bde6057c5df63927b77a78c7945d029dfd80184f..d9ca1e5ceb92f02302fdeedb7bc1e2b6e5768f2e 100644 (file)
--- 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);
 
@@ -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;
@@ -1479,6 +1479,8 @@ 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 +1512,8 @@ 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 +1544,7 @@ 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);