fs-convert-fs-shrinkers-to-new-scan-count-api-fix

fix warnings

Cc: Dave Chinner <dchinner@redhat.com>
Cc: Glauber Costa <glommer@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index fb3b95e244c63ff32c697b35142d2dbaef71f352..8a45b869713ac7cd6f135f3a1fc0115b1d9972df 100644 (file)
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -891,18 +891,20 @@ static int ext4_inode_touch_time_cmp(void *priv, struct list_head *a,
                return -1;
 }
 
-static long ext4_es_count(struct shrinker *shrink, struct shrink_control *sc)
+static unsigned long ext4_es_count(struct shrinker *shrink,
+                                  struct shrink_control *sc)
 {
-       long nr;
-       struct ext4_sb_info *sbi = container_of(shrink,
-                                       struct ext4_sb_info, s_es_shrinker);
+       unsigned long nr;
+       struct ext4_sb_info *sbi;
 
+       sbi = container_of(shrink, struct ext4_sb_info, s_es_shrinker);
        nr = percpu_counter_read_positive(&sbi->s_extent_cache_cnt);
        trace_ext4_es_shrink_enter(sbi->s_sb, sc->nr_to_scan, nr);
        return nr;
 }
 
-static long ext4_es_scan(struct shrinker *shrink, struct shrink_control *sc)
+static unsigned long ext4_es_scan(struct shrinker *shrink,
+                                 struct shrink_control *sc)
 {
        struct ext4_sb_info *sbi = container_of(shrink,
                                        struct ext4_sb_info, s_es_shrinker);
@@ -910,7 +912,8 @@ static long ext4_es_scan(struct shrinker *shrink, struct shrink_control *sc)
        struct list_head *cur, *tmp;
        LIST_HEAD(skiped);
        int nr_to_scan = sc->nr_to_scan;
-       int ret = 0, nr_shrunk = 0;
+       int ret = 0;
+       unsigned long nr_shrunk = 0;
 
        spin_lock(&sbi->s_es_lru_lock);
 

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index a7060a01046c9d0a6ec078903e9ffb9d514a689c..a9d8cafae041c77aad684065263e91abca9c3246 100644 (file)
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1457,16 +1457,16 @@ static long gfs2_scan_glock_lru(int nr)
        return freed;
 }
 
-static long gfs2_glock_shrink_scan(struct shrinker *shrink,
-                                  struct shrink_control *sc)
+static unsigned long gfs2_glock_shrink_scan(struct shrinker *shrink,
+                                           struct shrink_control *sc)
 {
        if (!(sc->gfp_mask & __GFP_FS))
                return SHRINK_STOP;
        return gfs2_scan_glock_lru(sc->nr_to_scan);
 }
 
-static long gfs2_glock_shrink_count(struct shrinker *shrink,
-                                   struct shrink_control *sc)
+static unsigned long gfs2_glock_shrink_count(struct shrinker *shrink,
+                                            struct shrink_control *sc)
 {
        return vfs_pressure_ratio(atomic_read(&lru_count));
 }

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index bb83036e65c1ed1163186aab3bfe993b0e0f026f..db441359ee8cd2f31fa4a980afe8c54a3f715447 100644 (file)
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -75,7 +75,8 @@ static LIST_HEAD(qd_lru_list);
 static atomic_t qd_lru_count = ATOMIC_INIT(0);
 static DEFINE_SPINLOCK(qd_lru_lock);
 
-long gfs2_qd_shrink_scan(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;
@@ -114,7 +115,8 @@ long gfs2_qd_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
        return freed;
 }
 
-long gfs2_qd_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
+unsigned long gfs2_qd_shrink_count(struct shrinker *shrink,
+                                  struct shrink_control *sc)
 {
        return vfs_pressure_ratio(atomic_read(&qd_lru_count));
 }

diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 4f61708339e911f09064c1f59c26dd57b2400b26..0f64d9deb1b027c892caaf377ec76681dbbfce4f 100644 (file)
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -53,10 +53,10 @@ static inline int gfs2_quota_lock_check(struct gfs2_inode *ip)
        return ret;
 }
 
-extern long gfs2_qd_shrink_count(struct shrinker *shrink,
-                                struct shrink_control *sc);
-extern long gfs2_qd_shrink_scan(struct shrinker *shrink,
-                                struct shrink_control *sc);
+extern unsigned long gfs2_qd_shrink_count(struct shrinker *shrink,
+                                         struct shrink_control *sc);
+extern unsigned long gfs2_qd_shrink_scan(struct shrinker *shrink,
+                                        struct shrink_control *sc);
 extern const struct quotactl_ops gfs2_quotactl_ops;
 
 #endif /* __QUOTA_DOT_H__ */

diff --git a/fs/mbcache.c b/fs/mbcache.c
index dbb9e546d6e78a9b7e91a649330fe30cad24aa4b..e519e45bf6735e7f59dc7fef969451791e5e1cef 100644 (file)
--- a/fs/mbcache.c
+++ b/fs/mbcache.c
@@ -149,14 +149,14 @@ forget:
  *
  * Returns the number of objects freed.
  */
-static long
+static unsigned long
 mb_cache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
 {
        LIST_HEAD(free_list);
        struct mb_cache_entry *entry, *tmp;
        int nr_to_scan = sc->nr_to_scan;
        gfp_t gfp_mask = sc->gfp_mask;
-       long freed = 0;
+       unsigned long freed = 0;
 
        mb_debug("trying to free %d entries", nr_to_scan);
        spin_lock(&mb_cache_spinlock);
@@ -175,11 +175,11 @@ mb_cache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
        return freed;
 }
 
-static long
+static unsigned long
 mb_cache_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
 {
        struct mb_cache *cache;
-       long count = 0;
+       unsigned long count = 0;
 
        spin_lock(&mb_cache_spinlock);
        list_for_each_entry(cache, &mb_cache_list, c_cache_list) {

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 0c3d98eb97aaf0eac72933952fe2105a29667a48..3614c35b1c448cce88a65e37b66e09ee0a7d73fe 100644 (file)
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1963,7 +1963,7 @@ static void nfs_access_free_list(struct list_head *head)
        }
 }
 
-long
+unsigned long
 nfs_access_cache_scan(struct shrinker *shrink, struct shrink_control *sc)
 {
        LIST_HEAD(head);
@@ -2008,7 +2008,7 @@ remove_lru_entry:
        return freed;
 }
 
-long
+unsigned long
 nfs_access_cache_count(struct shrinker *shrink, struct shrink_control *sc)
 {
        return vfs_pressure_ratio(atomic_long_read(&nfs_access_nr_entries));

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 736284fa76db9a88d1e7d3e1947309cb5e313671..dd3760bcb602b4ea8c01f4fa48de2eb81d1966a3 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -269,10 +269,10 @@ extern struct nfs_client *nfs_init_client(struct nfs_client *clp,
                           const char *ip_addr, rpc_authflavor_t authflavour);
 
 /* dir.c */
-extern long nfs_access_cache_count(struct shrinker *shrink,
-                                       struct shrink_control *sc);
-extern long nfs_access_cache_scan(struct shrinker *shrink,
-                                       struct shrink_control *sc);
+extern unsigned long nfs_access_cache_count(struct shrinker *shrink,
+                                           struct shrink_control *sc);
+extern unsigned long nfs_access_cache_scan(struct shrinker *shrink,
+                                          struct shrink_control *sc);
 struct dentry *nfs_lookup(struct inode *, struct dentry *, unsigned int);
 int nfs_create(struct inode *, struct dentry *, umode_t, bool);
 int nfs_mkdir(struct inode *, struct dentry *, umode_t);

diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index 5564c38f5d3e460c80aa621c24a7657df59ad40a..9186c7ce0b141b187a8b127a6608005a05ad53d1 100644 (file)
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -59,10 +59,10 @@ static unsigned int         longest_chain_cachesize;
 
 static int     nfsd_cache_append(struct svc_rqst *rqstp, struct kvec *vec);
 static void    cache_cleaner_func(struct work_struct *unused);
-static long    nfsd_reply_cache_count(struct shrinker *shrink,
-                                      struct shrink_control *sc);
-static long    nfsd_reply_cache_scan(struct shrinker *shrink,
-                                     struct shrink_control *sc);
+static unsigned long nfsd_reply_cache_count(struct shrinker *shrink,
+                                           struct shrink_control *sc);
+static unsigned long nfsd_reply_cache_scan(struct shrinker *shrink,
+                                          struct shrink_control *sc);
 
 static struct shrinker nfsd_reply_cache_shrinker = {
        .scan_objects = nfsd_reply_cache_scan,
@@ -270,10 +270,10 @@ cache_cleaner_func(struct work_struct *unused)
        spin_unlock(&cache_lock);
 }
 
-static long
+static unsigned long
 nfsd_reply_cache_count(struct shrinker *shrink, struct shrink_control *sc)
 {
-       long num;
+       unsigned long num;
 
        spin_lock(&cache_lock);
        num = num_drc_entries;
@@ -282,10 +282,11 @@ nfsd_reply_cache_count(struct shrinker *shrink, struct shrink_control *sc)
        return num;
 }
 
-static long
+static unsigned long
 nfsd_reply_cache_scan(struct shrinker *shrink, struct shrink_control *sc)
 {
-       long freed;
+       unsigned long freed;
+
        spin_lock(&cache_lock);
        freed = prune_cache_entries();
        spin_unlock(&cache_lock);

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 21c7e0d619dae615ef1d2a38a6affa6263428f67..017eaea7f163fd7bba6e2f675fb23a36a402c5d5 100644 (file)
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -687,12 +687,12 @@ int dquot_quota_sync(struct super_block *sb, int type)
 }
 EXPORT_SYMBOL(dquot_quota_sync);
 
-static long
+static unsigned long
 dqcache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
 {
        struct list_head *head;
        struct dquot *dquot;
-       long freed = 0;
+       unsigned long freed = 0;
 
        head = free_dquots.prev;
        while (head != &free_dquots && sc->nr_to_scan) {
@@ -708,7 +708,7 @@ dqcache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
        return freed;
 }
 
-static long
+static unsigned long
 dqcache_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
 {
        return vfs_pressure_ratio(

diff --git a/fs/ubifs/shrinker.c b/fs/ubifs/shrinker.c
index e2cf4cbc050ea0ea27a445049b8f445f20ba19e3..68ce39965f0fc0ece7e44cce442a08928fe243c8 100644 (file)
--- a/fs/ubifs/shrinker.c
+++ b/fs/ubifs/shrinker.c
@@ -277,9 +277,10 @@ static int kick_a_thread(void)
        return 0;
 }
 
-long ubifs_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
+unsigned long ubifs_shrink_count(struct shrinker *shrink,
+                                struct shrink_control *sc)
 {
-       long clean_zn_cnt = atomic_long_read(&ubifs_clean_zn_cnt);
+       unsigned long clean_zn_cnt = atomic_long_read(&ubifs_clean_zn_cnt);
 
        /*
         * Due to the way UBIFS updates the clean znode counter it may
@@ -288,10 +289,12 @@ long ubifs_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
        return clean_zn_cnt >= 0 ? clean_zn_cnt : 1;
 }
 
-long ubifs_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
+unsigned long ubifs_shrink_scan(struct shrinker *shrink,
+                               struct shrink_control *sc)
 {
-       int nr = sc->nr_to_scan;
-       int freed, contention = 0;
+       unsigned long nr = sc->nr_to_scan;
+       int contention = 0;
+       unsigned long freed;
        long clean_zn_cnt = atomic_long_read(&ubifs_clean_zn_cnt);
 
        if (!clean_zn_cnt) {
@@ -324,6 +327,6 @@ long ubifs_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
        }
 
 out:
-       dbg_tnc("%d znodes were freed, requested %d", freed, nr);
+       dbg_tnc("%lu znodes were freed, requested %lu", freed, nr);
        return freed;
 }

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index bcdafcc265e50b217e1b43137ce416d43da22796..e8c8cfe1435c5cd05809404ea4de182741cd3bf4 100644 (file)
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1624,8 +1624,10 @@ int ubifs_tnc_start_commit(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 int ubifs_tnc_end_commit(struct ubifs_info *c);
 
 /* shrinker.c */
-long ubifs_shrink_scan(struct shrinker *shrink, struct shrink_control *sc);
-long ubifs_shrink_count(struct shrinker *shrink, struct shrink_control *sc);
+unsigned long ubifs_shrink_scan(struct shrinker *shrink,
+                               struct shrink_control *sc);
+unsigned long ubifs_shrink_count(struct shrinker *shrink,
+                                struct shrink_control *sc);
 
 /* commit.c */
 int ubifs_bg_thread(void *info);