[PATCH] JFS: Support page sizes greater than 4K

jfs has never worked on architecutures where the page size was not 4K.

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 12 deletions

diff --git a/fs/jfs/jfs_umount.c b/fs/jfs/jfs_umount.c
index f31a9e3f3fec..5cf91785b541 100644
--- a/fs/jfs/jfs_umount.c
+++ b/fs/jfs/jfs_umount.c
@@ -49,7 +49,6 @@
  */
 int jfs_umount(struct super_block *sb)
 {
-        struct address_space *bdev_mapping = sb->s_bdev->bd_inode->i_mapping;
         struct jfs_sb_info *sbi = JFS_SBI(sb);
         struct inode *ipbmap = sbi->ipbmap;
         struct inode *ipimap = sbi->ipimap;
@@ -109,8 +108,8 @@ int jfs_umount(struct super_block *sb)
          * Make sure all metadata makes it to disk before we mark
          * the superblock as clean
          */
-        filemap_fdatawrite(bdev_mapping);
-        filemap_fdatawait(bdev_mapping);
+        filemap_fdatawrite(sbi->direct_inode->i_mapping);
+        filemap_fdatawait(sbi->direct_inode->i_mapping);
 
         /*
          * ensure all file system file pages are propagated to their
@@ -123,9 +122,6 @@ int jfs_umount(struct super_block *sb)
         if (log) {              /* log = NULL if read-only mount */
                 updateSuper(sb, FM_CLEAN);
 
-                /* Restore default gfp_mask for bdev */
-                mapping_set_gfp_mask(bdev_mapping, GFP_USER);
-
                 /*
                  * close log: 
                  *
@@ -140,7 +136,6 @@ int jfs_umount(struct super_block *sb)
 
 int jfs_umount_rw(struct super_block *sb)
 {
-        struct address_space *bdev_mapping = sb->s_bdev->bd_inode->i_mapping;
         struct jfs_sb_info *sbi = JFS_SBI(sb);
         struct jfs_log *log = sbi->log;
 
@@ -166,13 +161,10 @@ int jfs_umount_rw(struct super_block *sb)
          * mark the superblock clean before everything is flushed to
          * disk.
          */
-        filemap_fdatawrite(bdev_mapping);
-        filemap_fdatawait(bdev_mapping);
+        filemap_fdatawrite(sbi->direct_inode->i_mapping);
+        filemap_fdatawait(sbi->direct_inode->i_mapping);
 
         updateSuper(sb, FM_CLEAN);
 
-        /* Restore default gfp_mask for bdev */
-        mapping_set_gfp_mask(bdev_mapping, GFP_USER);
-
         return lmLogClose(sb);
 }