6 files changed, 14 insertions, 70 deletions

diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index 1cd3b55ee3d2..2d3f90afe5f1 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -53,7 +53,7 @@ kmem_alloc(size_t size, unsigned int __nocast flags)
                         printk(KERN_ERR "XFS: possible memory allocation "
                                         "deadlock in %s (mode:0x%x)\n",
                                         __func__, lflags);
-                congestion_wait(WRITE, HZ/50);
+                congestion_wait(BLK_RW_ASYNC, HZ/50);
         } while (1);
 }
 
@@ -130,7 +130,7 @@ kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
                         printk(KERN_ERR "XFS: possible memory allocation "
                                         "deadlock in %s (mode:0x%x)\n",
                                         __func__, lflags);
-                congestion_wait(WRITE, HZ/50);
+                congestion_wait(BLK_RW_ASYNC, HZ/50);
         } while (1);
 }
 
diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c
index 1e9d1246eebc..b23a54506446 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/linux-2.6/xfs_acl.c
@@ -25,14 +25,10 @@
 #include <linux/posix_acl_xattr.h>
 
 
-#define XFS_ACL_NOT_CACHED      ((void *)-1)
-
 /*
  * Locking scheme:
  *  - all ACL updates are protected by inode->i_mutex, which is taken before
  *    calling into this file.
- *  - access and updates to the ip->i_acl and ip->i_default_acl pointers are
- *    protected by inode->i_lock.
  */
 
 STATIC struct posix_acl *
@@ -102,59 +98,35 @@ xfs_acl_to_disk(struct xfs_acl *aclp, const struct posix_acl *acl)
         }
 }
 
-/*
- * Update the cached ACL pointer in the inode.
- *
- * Because we don't hold any locks while reading/writing the attribute
- * from/to disk another thread could have raced and updated the cached
- * ACL value before us. In that case we release the previous cached value
- * and update it with our new value.
- */
-STATIC void
-xfs_update_cached_acl(struct inode *inode, struct posix_acl **p_acl,
-                struct posix_acl *acl)
-{
-        spin_lock(&inode->i_lock);
-        if (*p_acl && *p_acl != XFS_ACL_NOT_CACHED)
-                posix_acl_release(*p_acl);
-        *p_acl = posix_acl_dup(acl);
-        spin_unlock(&inode->i_lock);
-}
-
 struct posix_acl *
 xfs_get_acl(struct inode *inode, int type)
 {
         struct xfs_inode *ip = XFS_I(inode);
-        struct posix_acl *acl = NULL, **p_acl;
+        struct posix_acl *acl;
         struct xfs_acl *xfs_acl;
         int len = sizeof(struct xfs_acl);
         char *ea_name;
         int error;
 
+        acl = get_cached_acl(inode, type);
+        if (acl != ACL_NOT_CACHED)
+                return acl;
+
         switch (type) {
         case ACL_TYPE_ACCESS:
                 ea_name = SGI_ACL_FILE;
-                p_acl = &ip->i_acl;
                 break;
         case ACL_TYPE_DEFAULT:
                 ea_name = SGI_ACL_DEFAULT;
-                p_acl = &ip->i_default_acl;
                 break;
         default:
-                return ERR_PTR(-EINVAL);
+                BUG();
         }
 
-        spin_lock(&inode->i_lock);
-        if (*p_acl != XFS_ACL_NOT_CACHED)
-                acl = posix_acl_dup(*p_acl);
-        spin_unlock(&inode->i_lock);
-
         /*
          * If we have a cached ACLs value just return it, not need to
          * go out to the disk.
          */
-        if (acl)
-                return acl;
 
         xfs_acl = kzalloc(sizeof(struct xfs_acl), GFP_KERNEL);
         if (!xfs_acl)
@@ -165,7 +137,7 @@ xfs_get_acl(struct inode *inode, int type)
                 /*
                  * If the attribute doesn't exist make sure we have a negative
                  * cache entry, for any other error assume it is transient and
-                 * leave the cache entry as XFS_ACL_NOT_CACHED.
+                 * leave the cache entry as ACL_NOT_CACHED.
                  */
                 if (error == -ENOATTR) {
                         acl = NULL;
@@ -179,7 +151,7 @@ xfs_get_acl(struct inode *inode, int type)
                 goto out;
 
  out_update_cache:
-        xfs_update_cached_acl(inode, p_acl, acl);
+        set_cached_acl(inode, type, acl);
  out:
         kfree(xfs_acl);
         return acl;
@@ -189,7 +161,6 @@ STATIC int
 xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
 {
         struct xfs_inode *ip = XFS_I(inode);
-        struct posix_acl **p_acl;
         char *ea_name;
         int error;
 
@@ -199,13 +170,11 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
         switch (type) {
         case ACL_TYPE_ACCESS:
                 ea_name = SGI_ACL_FILE;
-                p_acl = &ip->i_acl;
                 break;
         case ACL_TYPE_DEFAULT:
                 if (!S_ISDIR(inode->i_mode))
                         return acl ? -EACCES : 0;
                 ea_name = SGI_ACL_DEFAULT;
-                p_acl = &ip->i_default_acl;
                 break;
         default:
                 return -EINVAL;
@@ -242,7 +211,7 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
         }
 
         if (!error)
-                xfs_update_cached_acl(inode, p_acl, acl);
+                set_cached_acl(inode, type, acl);
         return error;
 }
 
@@ -384,30 +353,6 @@ xfs_acl_chmod(struct inode *inode)
         return error;
 }
 
-void
-xfs_inode_init_acls(struct xfs_inode *ip)
-{
-        /*
-         * No need for locking, inode is not live yet.
-         */
-        ip->i_acl = XFS_ACL_NOT_CACHED;
-        ip->i_default_acl = XFS_ACL_NOT_CACHED;
-}
-
-void
-xfs_inode_clear_acls(struct xfs_inode *ip)
-{
-        /*
-         * No need for locking here, the inode is not live anymore
-         * and just about to be freed.
-         */
-        if (ip->i_acl != XFS_ACL_NOT_CACHED)
-                posix_acl_release(ip->i_acl);
-        if (ip->i_default_acl != XFS_ACL_NOT_CACHED)
-                posix_acl_release(ip->i_default_acl);
-}
-
-
 /*
  * System xattr handlers.
  *
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 1418b916fc27..0c93c7ef3d18 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -412,7 +412,7 @@ _xfs_buf_lookup_pages(
 
                         XFS_STATS_INC(xb_page_retries);
                         xfsbufd_wakeup(0, gfp_mask);
-                        congestion_wait(WRITE, HZ/50);
+                        congestion_wait(BLK_RW_ASYNC, HZ/50);
                         goto retry;
                 }
 
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index f4e255441574..0542fd507649 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -41,7 +41,6 @@
 #include "xfs_ioctl.h"
 
 #include <linux/dcache.h>
-#include <linux/smp_lock.h>
 
 static struct vm_operations_struct xfs_file_vm_ops;
 
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index f65a53f8752f..6127e24062d0 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -24,7 +24,7 @@
  * XFS_BIG_BLKNOS needs block layer disk addresses to be 64 bits.
  * XFS_BIG_INUMS requires XFS_BIG_BLKNOS to be set.
  */
-#if defined(CONFIG_LBD) || (BITS_PER_LONG == 64)
+#if defined(CONFIG_LBDAF) || (BITS_PER_LONG == 64)
 # define XFS_BIG_BLKNOS 1
 # define XFS_BIG_INUMS  1
 #else
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 2e09efbca8db..a220d36f789b 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -616,7 +616,7 @@ xfs_max_file_offset(
          */
 
 #if BITS_PER_LONG == 32
-# if defined(CONFIG_LBD)
+# if defined(CONFIG_LBDAF)
         ASSERT(sizeof(sector_t) == 8);
         pagefactor = PAGE_CACHE_SIZE;
         bitshift = BITS_PER_LONG;