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

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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>
This commit is contained in:
Gioh Kim 2014-09-04 22:36:35 -04:00 committed by Theodore Ts'o
parent a8ac900b81
commit a49058fab2
2 changed files with 2 additions and 2 deletions
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2
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",

2
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",