diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-12 17:54:48 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-12 17:54:48 -0400 |
| commit | bf2ba3bc185269eca274b458aac46ba1ad7c1121 (patch) | |
| tree | 2cdaf7568df3ab762f42e7849fc9211dcb60d1bc /fs/gfs2/quota.c | |
| parent | bcceeeba9b3ca99c29523bb7af16727f8a837db4 (diff) | |
| parent | f5e1dd34561e0fb06400b378d595198918833021 (diff) | |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'fs/gfs2/quota.c')
| -rw-r--r-- | fs/gfs2/quota.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 3768c2f40e43..db441359ee8c 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -75,17 +75,16 @@ 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, struct shrink_control *sc) +unsigned long gfs2_qd_shrink_scan(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_to_scan == 0) - goto out; + long freed = 0; if (!(sc->gfp_mask & __GFP_FS)) - return -1; + return SHRINK_STOP; spin_lock(&qd_lru_lock); while (nr_to_scan && !list_empty(&qd_lru_list)) { @@ -110,11 +109,16 @@ int gfs2_shrink_qd_memory(struct shrinker *shrink, struct shrink_control *sc) kmem_cache_free(gfs2_quotad_cachep, qd); spin_lock(&qd_lru_lock); nr_to_scan--; + freed++; } spin_unlock(&qd_lru_lock); + return freed; +} -out: - return (atomic_read(&qd_lru_count) * sysctl_vfs_cache_pressure) / 100; +unsigned long gfs2_qd_shrink_count(struct shrinker *shrink, + struct shrink_control *sc) +{ + return vfs_pressure_ratio(atomic_read(&qd_lru_count)); } static u64 qd2index(struct gfs2_quota_data *qd) |