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authorYing Han <yinghan@google.com>2011-05-24 17:12:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 08:39:26 -0700
commit1495f230fa7750479c79e3656286b9183d662077 (patch)
treee5e233bb9fe1916ccc7281e7dcc71b1572fb22c5 /fs/xfs
parenta09ed5e00084448453c8bada4dcd31e5fbfc2f21 (diff)
downloadop-kernel-dev-1495f230fa7750479c79e3656286b9183d662077.zip
op-kernel-dev-1495f230fa7750479c79e3656286b9183d662077.tar.gz
vmscan: change shrinker API by passing shrink_control struct
Change each shrinker's API by consolidating the existing parameters into shrink_control struct. This will simplify any further features added w/o touching each file of shrinker. [akpm@linux-foundation.org: fix build] [akpm@linux-foundation.org: fix warning] [kosaki.motohiro@jp.fujitsu.com: fix up new shrinker API] [akpm@linux-foundation.org: fix xfs warning] [akpm@linux-foundation.org: update gfs2] Signed-off-by: Ying Han <yinghan@google.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Acked-by: Pavel Emelyanov <xemul@openvz.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Acked-by: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c5
-rw-r--r--fs/xfs/quota/xfs_qm.c6
3 files changed, 8 insertions, 7 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 52b2b5d..5e68099 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1422,12 +1422,12 @@ restart:
int
xfs_buftarg_shrink(
struct shrinker *shrink,
- int nr_to_scan,
- gfp_t mask)
+ struct shrink_control *sc)
{
struct xfs_buftarg *btp = container_of(shrink,
struct xfs_buftarg, bt_shrinker);
struct xfs_buf *bp;
+ int nr_to_scan = sc->nr_to_scan;
LIST_HEAD(dispose);
if (!nr_to_scan)
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index cb1bb20..8ecad5f 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -1032,13 +1032,14 @@ xfs_reclaim_inodes(
static int
xfs_reclaim_inode_shrink(
struct shrinker *shrink,
- int nr_to_scan,
- gfp_t gfp_mask)
+ struct shrink_control *sc)
{
struct xfs_mount *mp;
struct xfs_perag *pag;
xfs_agnumber_t ag;
int reclaimable;
+ int nr_to_scan = sc->nr_to_scan;
+ gfp_t gfp_mask = sc->gfp_mask;
mp = container_of(shrink, struct xfs_mount, m_inode_shrink);
if (nr_to_scan) {
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 69228aa..b94dace 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -60,7 +60,7 @@ STATIC void xfs_qm_list_destroy(xfs_dqlist_t *);
STATIC int xfs_qm_init_quotainos(xfs_mount_t *);
STATIC int xfs_qm_init_quotainfo(xfs_mount_t *);
-STATIC int xfs_qm_shake(struct shrinker *, int, gfp_t);
+STATIC int xfs_qm_shake(struct shrinker *, struct shrink_control *);
static struct shrinker xfs_qm_shaker = {
.shrink = xfs_qm_shake,
@@ -2009,10 +2009,10 @@ xfs_qm_shake_freelist(
STATIC int
xfs_qm_shake(
struct shrinker *shrink,
- int nr_to_scan,
- gfp_t gfp_mask)
+ struct shrink_control *sc)
{
int ndqused, nfree, n;
+ gfp_t gfp_mask = sc->gfp_mask;
if (!kmem_shake_allow(gfp_mask))
return 0;
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