Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=22c6f8...
Commit: 22c6f8fdb31993cf49bdd4a47b64a7002391e1c7
Parent: 73fd8748ab0b9b3ddd178bea1d7ae03372033d96
Author: Hugh Dickins <hugh@veritas.com>
AuthorDate: Tue Jan 6 14:39:48 2009 -0800
Committer: Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Tue Jan 6 15:59:05 2009 -0800
swapfile: remove SWP_ACTIVE mask
Remove the SWP_ACTIVE mask: it just obscures the SWP_WRITEOK flag.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/swap.h | 1 -
mm/swapfile.c | 4 ++--
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 3a31cc2..410c8e4 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -120,7 +120,6 @@ struct swap_extent {
enum {
SWP_USED = (1 << 0), /* is slot in swap_info[] used? */
SWP_WRITEOK = (1 << 1), /* ok to write to this swap? */
- SWP_ACTIVE = (SWP_USED | SWP_WRITEOK),
/* add others here before... */
SWP_SCANNING = (1 << 8), /* refcount in scan_swap_map */
};
diff --git a/mm/swapfile.c b/mm/swapfile.c
index e2adc8e..915cb3f 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1222,7 +1222,7 @@ asmlinkage long sys_swapoff(const char __user * specialfile)
spin_lock(&swap_lock);
for (type = swap_list.head; type >= 0; type = swap_info[type].next) {
p = swap_info + type;
- if ((p->flags & SWP_ACTIVE) == SWP_ACTIVE) {
+ if (p->flags & SWP_WRITEOK) {
if (p->swap_file->f_mapping == mapping)
break;
}
@@ -1674,7 +1674,7 @@ asmlinkage long sys_swapon(const char __user * specialfile, int swap_flags)
else
p->prio = --least_priority;
p->swap_map = swap_map;
- p->flags = SWP_ACTIVE;
+ p->flags |= SWP_WRITEOK;
nr_swap_pages += nr_good_pages;
total_swap_pages += nr_good_pages;
--
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