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| author | Ying Han <yinghan@google.com> | 2011-05-24 17:12:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:39:26 -0700 |
| commit | 1495f230fa7750479c79e3656286b9183d662077 (patch) | |
| tree | e5e233bb9fe1916ccc7281e7dcc71b1572fb22c5 /fs/gfs2/quota.c | |
| parent | a09ed5e00084448453c8bada4dcd31e5fbfc2f21 (diff) | |
| download | op-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/gfs2/quota.c')
| -rw-r--r-- | fs/gfs2/quota.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index e23d986..42e8d23 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -38,6 +38,7 @@ #include <linux/sched.h> #include <linux/slab.h> +#include <linux/mm.h> #include <linux/spinlock.h> #include <linux/completion.h> #include <linux/buffer_head.h> @@ -77,19 +78,20 @@ static LIST_HEAD(qd_lru_list); static atomic_t qd_lru_count = ATOMIC_INIT(0); static DEFINE_SPINLOCK(qd_lru_lock); -int gfs2_shrink_qd_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask) +int gfs2_shrink_qd_memory(struct shrinker *shrink, struct shrink_control *sc) { struct gfs2_quota_data *qd; struct gfs2_sbd *sdp; + int nr_to_scan = sc->nr_to_scan; - if (nr == 0) + if (nr_to_scan == 0) goto out; - if (!(gfp_mask & __GFP_FS)) + if (!(sc->gfp_mask & __GFP_FS)) return -1; spin_lock(&qd_lru_lock); - while (nr && !list_empty(&qd_lru_list)) { + while (nr_to_scan && !list_empty(&qd_lru_list)) { qd = list_entry(qd_lru_list.next, struct gfs2_quota_data, qd_reclaim); sdp = qd->qd_gl->gl_sbd; @@ -110,7 +112,7 @@ int gfs2_shrink_qd_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask) spin_unlock(&qd_lru_lock); kmem_cache_free(gfs2_quotad_cachep, qd); spin_lock(&qd_lru_lock); - nr--; + nr_to_scan--; } spin_unlock(&qd_lru_lock); |
