Branch HEAD

[fs/lustre-release.git] / lustre / kernel_patches / patches / iopen-misc-2.6.12.patch

diff --git a/lustre/kernel_patches/patches/iopen-misc-2.6.12.patch b/lustre/kernel_patches/patches/iopen-misc-2.6.12.patch
index 48d8ab9..c5d3c54 100644 (file)
--- a/lustre/kernel_patches/patches/iopen-misc-2.6.12.patch
+++ b/lustre/kernel_patches/patches/iopen-misc-2.6.12.patch
@@ -1,10 +1,10 @@
-Index: linux-2.6.4-51.0/Documentation/filesystems/ext2.txt
+Index: linux-2.6.16.46-0.14/Documentation/filesystems/ext2.txt
 ===================================================================
---- linux-2.6.4-51.0.orig/Documentation/filesystems/ext2.txt   2004-05-06 22:21:26.000000000 -0400
-+++ linux-2.6.4-51.0/Documentation/filesystems/ext2.txt        2004-05-06 22:24:42.000000000 -0400
-@@ -35,6 +35,22 @@
+--- linux-2.6.16.46-0.14.orig/Documentation/filesystems/ext2.txt
++++ linux-2.6.16.46-0.14/Documentation/filesystems/ext2.txt
+@@ -58,6 +58,22 @@ nobh                                Do not attach buffer_heads to fi
  
- sb=n                          Use alternate superblock at this location.
+ xip                           Use execute in place (no caching) if possible
  
 +iopen                         Makes an invisible pseudo-directory called 
 +                              __iopen__ available in the root directory
@@ -25,11 +25,41 @@ Index: linux-2.6.4-51.0/Documentation/filesystems/ext2.txt
  grpquota,noquota,quota,usrquota       Quota options are silently ignored by ext2.
  
  
-Index: linux-2.6.4-51.0/fs/dcache.c
+Index: linux-2.6.16.46-0.14/fs/dcache.c
 ===================================================================
---- linux-2.6.4-51.0.orig/fs/dcache.c  2004-05-06 22:24:42.000000000 -0400
-+++ linux-2.6.4-51.0/fs/dcache.c       2004-05-06 22:58:37.000000000 -0400
-@@ -1195,14 +1195,13 @@
+--- linux-2.6.16.46-0.14.orig/fs/dcache.c
++++ linux-2.6.16.46-0.14/fs/dcache.c
+@@ -1309,17 +1309,26 @@ static void __d_rehash(struct dentry * e
+  * Adds a dentry to the hash according to its name.
+  */
+  
+-void d_rehash(struct dentry * entry)
++void d_rehash_cond(struct dentry * entry, int lock)
+ {
+       struct hlist_head *list = d_hash(entry->d_parent, entry->d_name.hash);
+ 
+-      spin_lock(&dcache_lock);
++      if (lock)
++              spin_lock(&dcache_lock);
+       spin_lock(&entry->d_lock);
+       __d_rehash(entry, list);
+       spin_unlock(&entry->d_lock);
+-      spin_unlock(&dcache_lock);
++      if (lock)
++              spin_unlock(&dcache_lock);
+ }
+ 
++EXPORT_SYMBOL(d_rehash_cond);
++
++void d_rehash(struct dentry * entry)
++{
++      d_rehash_cond(entry, 1);
++ }
++
+ #define do_switch(x,y) do { \
+       __typeof__ (x) __tmp = x; \
+       x = y; y = __tmp; } while (0)
+@@ -1392,14 +1401,13 @@ static void switch_names(struct dentry *
   * dcache entries should not be moved in this way.
   */
  
@@ -45,8 +75,8 @@ Index: linux-2.6.4-51.0/fs/dcache.c
        write_seqlock(&rename_lock);
        /*
         * XXXX: do we really need to take target->d_lock?
-@@ -1253,6 +1252,14 @@
-       spin_unlock(&target->d_lock);
+@@ -1450,6 +1458,14 @@ already_unhashed:
+       fsnotify_d_move(dentry);
        spin_unlock(&dentry->d_lock);
        write_sequnlock(&rename_lock);
 +}
@@ -60,11 +90,11 @@ Index: linux-2.6.4-51.0/fs/dcache.c
        spin_unlock(&dcache_lock);
  }
  
-Index: linux-2.6.4-51.0/include/linux/dcache.h
+Index: linux-2.6.16.46-0.14/include/linux/dcache.h
 ===================================================================
---- linux-2.6.4-51.0.orig/include/linux/dcache.h       2004-05-06 22:24:42.000000000 -0400
-+++ linux-2.6.4-51.0/include/linux/dcache.h    2004-05-06 23:03:43.000000000 -0400
-@@ -234,6 +234,7 @@
+--- linux-2.6.16.46-0.14.orig/include/linux/dcache.h
++++ linux-2.6.16.46-0.14/include/linux/dcache.h
+@@ -236,6 +236,7 @@ extern int have_submounts(struct dentry 
   * This adds the entry to the hash queues.
   */
  extern void d_rehash(struct dentry *);
@@ -72,7 +102,7 @@ Index: linux-2.6.4-51.0/include/linux/dcache.h
  
  /**
   * d_add - add dentry to hash queues
-@@ -252,6 +253,7 @@
+@@ -271,6 +272,7 @@ static inline struct dentry *d_add_uniqu
  
  /* used for rename() and baskets */
  extern void d_move(struct dentry *, struct dentry *);