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 <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
This commit is contained in:
Gioh Kim 2014-09-04 22:36:35 -04:00 • committed by Theodore Ts'o
commit a49058fab2
2 changed files with 2 additions and 2 deletions

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",