b=20533 set the default max_sectors to the raid5/6 stripe size

[fs/lustre-release.git] / lustre / kernel_patches / patches / iopen-misc-2.6.22-vanilla.patch

diff --git a/lustre/kernel_patches/patches/iopen-misc-2.6.22-vanilla.patch b/lustre/kernel_patches/patches/iopen-misc-2.6.22-vanilla.patch
index 1940403..355a140 100644 (file)
--- a/lustre/kernel_patches/patches/iopen-misc-2.6.22-vanilla.patch
+++ b/lustre/kernel_patches/patches/iopen-misc-2.6.22-vanilla.patch
@@ -1,37 +1,35 @@
-This patch is needed to allow sharing the kernel with 1.8, and until
-the MGS and llog code has been moved over to using the OSD interface.
-
-Index: linux-2.6.22.5/fs/dcache.c
+Index: linux-2.6.22.5/Documentation/filesystems/ext2.txt
 ===================================================================
---- linux-2.6.22.5.orig/fs/dcache.c    2008-02-21 00:56:29.000000000 -0700
-+++ linux-2.6.22.5/fs/dcache.c 2008-02-21 00:57:02.000000000 -0700
-@@ -1441,13 +1441,22 @@
-  * 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)
- {
--      spin_lock(&dcache_lock);
-+      if (lock)
-+              spin_lock(&dcache_lock);
-       spin_lock(&entry->d_lock);
-       _d_rehash(entry);
-       spin_unlock(&entry->d_lock);
--      spin_unlock(&dcache_lock);
-+      if (lock)
-+              spin_unlock(&dcache_lock);
-+}
+--- linux-2.6.22.5.orig/Documentation/filesystems/ext2.txt     2007-08-22 17:23:54.000000000 -0600
++++ linux-2.6.22.5/Documentation/filesystems/ext2.txt  2008-02-21 00:57:02.000000000 -0700
+@@ -58,6 +58,22 @@
+ 
+ xip                           Use execute in place (no caching) if possible
+ 
++iopen                         Makes an invisible pseudo-directory called 
++                              __iopen__ available in the root directory
++                              of the filesystem.  Allows open-by-inode-
++                              number.  i.e., inode 3145 can be accessed
++                              via /mntpt/__iopen__/3145
 +
-+EXPORT_SYMBOL(d_rehash_cond);
++iopen_nopriv                  This option makes the iopen directory be
++                              world-readable.  This may be safer since it
++                              allows daemons to run as an unprivileged user,
++                              however it significantly changes the security
++                              model of a Unix filesystem, since previously
++                              all files under a mode 700 directory were not
++                              generally avilable even if the
++                              permissions on the file itself is
++                              world-readable.
 +
-+void d_rehash(struct dentry * entry)
-+{
-+      d_rehash_cond(entry, 1);
- }
+ grpquota,noquota,quota,usrquota       Quota options are silently ignored by ext2.
+ 
  
- #define do_switch(x,y) do { \
-@@ -1537,7 +1546,7 @@
+Index: linux-2.6.22.5/fs/dcache.c
+===================================================================
+--- linux-2.6.22.5.orig/fs/dcache.c    2008-02-21 00:56:29.000000000 -0700
++++ linux-2.6.22.5/fs/dcache.c 2008-02-21 00:57:02.000000000 -0700
+@@ -1537,7 +1537,7 @@
   * Update the dcache to reflect the move of a file name. Negative
   * dcache entries should not be moved in this way.
   */
@@ -40,7 +38,7 @@ Index: linux-2.6.22.5/fs/dcache.c
  {
        struct hlist_head *list;
  
-@@ -1595,6 +1604,7 @@
+@@ -1595,6 +1595,7 @@
        spin_unlock(&dentry->d_lock);
        write_sequnlock(&rename_lock);
  }
@@ -52,7 +50,7 @@ Index: linux-2.6.22.5/include/linux/dcache.h
 ===================================================================
 --- linux-2.6.22.5.orig/include/linux/dcache.h 2008-02-21 00:56:29.000000000 -0700
 +++ linux-2.6.22.5/include/linux/dcache.h      2008-02-21 00:57:02.000000000 -0700
-@@ -251,6 +251,7 @@ extern int have_submounts(struct dentry 
+@@ -251,6 +251,7 @@
   * This adds the entry to the hash queues.
   */
  extern void d_rehash(struct dentry *);
@@ -60,10 +58,10 @@ Index: linux-2.6.22.5/include/linux/dcache.h
  
  /**
   * d_add - add dentry to hash queues
-@@ -286,6 +287,7 @@ static inline struct dentry *d_add_uniqu
- 
+@@ -286,6 +287,7 @@
  /* used for rename() and baskets */
  extern void d_move(struct dentry *, struct dentry *);
+ extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
 +extern void d_move_locked(struct dentry *, struct dentry *);
  
  /* appendix may either be NULL or be used for transname suffixes */