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jbd/jbd2: use non-movable memory for the jbd superblock

Sicne the jbd/jbd2 superblock is not released until the file system is
unmounted, allocate the buffer cache from the non-moveable area to
allow page migration and CMA allocations to more easily succeed.

Signed-off-by: Gioh Kim <gioh.kim@lge.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Gioh Kim 11 years ago
parent
a8ac900b81
commit
a49058fab2
2 changed files with 2 additions and 2 deletions
Split View Show Diff Stats
  1. 1 1
      fs/jbd/journal.c
  2. 1 1
      fs/jbd2/journal.c

+ 1 - 1
fs/jbd/journal.c
View File 

@@ -886,7 +886,7 @@ journal_t * journal_init_inode (struct inode *inode)
 
 		goto out_err;
 
 	}
 
 
-	bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize);
 
+	bh = getblk_unmovable(journal->j_dev, blocknr, journal->j_blocksize);
 
 	if (!bh) {
 
 		printk(KERN_ERR
 
 		       "%s: Cannot get buffer for journal superblock\n",

+ 1 - 1
fs/jbd2/journal.c
View File 

@@ -1237,7 +1237,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode)
 
 		goto out_err;
 
 	}
 
 
-	bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize);
 
+	bh = getblk_unmovable(journal->j_dev, blocknr, journal->j_blocksize);
 
 	if (!bh) {
 
 		printk(KERN_ERR
 
 		       "%s: Cannot get buffer for journal superblock\n",