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authorHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>2009-12-14 18:00:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 08:53:27 -0800
commite4c570c4cb7a95dbfafa3d016d2739bf3fdfe319 (patch)
treece2be0a79fa2e8d8271426f0fc27b25e83c050b4 /include/linux/init_task.h
parent8420e7efa1cf155765c6d77c91d3e3547c7aa557 (diff)
downloadop-kernel-dev-e4c570c4cb7a95dbfafa3d016d2739bf3fdfe319.zip
op-kernel-dev-e4c570c4cb7a95dbfafa3d016d2739bf3fdfe319.tar.gz
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>
Diffstat (limited to 'include/linux/init_task.h')
-rw-r--r--include/linux/init_task.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 8d10aa7..8ed0abf 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -111,6 +111,12 @@ extern struct cred init_cred;
# define INIT_PERF_EVENTS(tsk)
#endif
+#ifdef CONFIG_FS_JOURNAL_INFO
+#define INIT_JOURNAL_INFO .journal_info = NULL,
+#else
+#define INIT_JOURNAL_INFO
+#endif
+
/*
* INIT_TASK is used to set up the first task table, touch at
* your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -162,7 +168,6 @@ extern struct cred init_cred;
.signal = {{0}}}, \
.blocked = {{0}}, \
.alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
- .journal_info = NULL, \
.cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
.fs_excl = ATOMIC_INIT(0), \
.pi_lock = __SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
@@ -173,6 +178,7 @@ extern struct cred init_cred;
[PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
}, \
.dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
+ INIT_JOURNAL_INFO \
INIT_IDS \
INIT_PERF_EVENTS(tsk) \
INIT_TRACE_IRQFLAGS \
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