task_struct: make journal_info conditional

journal_info in task_struct is used in journaling file system only.  So
introduce CONFIG_FS_JOURNAL_INFO and make it conditional.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hiroshi Shimamoto
2009-12-14 18:00:26 -08:00
committed by Linus Torvalds
parent 8420e7efa1
commit e4c570c4cb
10 changed files with 20 additions and 1 deletions

View File

@ -1446,8 +1446,10 @@ struct task_struct {
gfp_t lockdep_reclaim_gfp;
#endif
#ifdef CONFIG_FS_JOURNAL_INFO
/* journalling filesystem info */
void *journal_info;
#endif
/* stacked block device info */
struct bio *bio_list, **bio_tail;