These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / ext4 / extents_status.c

diff --git a/kernel/fs/ext4/extents_status.c b/kernel/fs/ext4/extents_status.c
index 26724ae..ac748b3 100644 (file)
--- a/kernel/fs/ext4/extents_status.c
+++ b/kernel/fs/ext4/extents_status.c
@@ -1089,20 +1089,9 @@ static unsigned long ext4_es_scan(struct shrinker *shrink,
        return nr_shrunk;
 }
 
-static void *ext4_es_seq_shrinker_info_start(struct seq_file *seq, loff_t *pos)
+int ext4_seq_es_shrinker_info_show(struct seq_file *seq, void *v)
 {
-       return *pos ? NULL : SEQ_START_TOKEN;
-}
-
-static void *
-ext4_es_seq_shrinker_info_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-       return NULL;
-}
-
-static int ext4_es_seq_shrinker_info_show(struct seq_file *seq, void *v)
-{
-       struct ext4_sb_info *sbi = seq->private;
+       struct ext4_sb_info *sbi = EXT4_SB((struct super_block *) seq->private);
        struct ext4_es_stats *es_stats = &sbi->s_es_stats;
        struct ext4_inode_info *ei, *max = NULL;
        unsigned int inode_cnt = 0;
@@ -1143,45 +1132,6 @@ static int ext4_es_seq_shrinker_info_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static void ext4_es_seq_shrinker_info_stop(struct seq_file *seq, void *v)
-{
-}
-
-static const struct seq_operations ext4_es_seq_shrinker_info_ops = {
-       .start = ext4_es_seq_shrinker_info_start,
-       .next  = ext4_es_seq_shrinker_info_next,
-       .stop  = ext4_es_seq_shrinker_info_stop,
-       .show  = ext4_es_seq_shrinker_info_show,
-};
-
-static int
-ext4_es_seq_shrinker_info_open(struct inode *inode, struct file *file)
-{
-       int ret;
-
-       ret = seq_open(file, &ext4_es_seq_shrinker_info_ops);
-       if (!ret) {
-               struct seq_file *m = file->private_data;
-               m->private = PDE_DATA(inode);
-       }
-
-       return ret;
-}
-
-static int
-ext4_es_seq_shrinker_info_release(struct inode *inode, struct file *file)
-{
-       return seq_release(inode, file);
-}
-
-static const struct file_operations ext4_es_seq_shrinker_info_fops = {
-       .owner          = THIS_MODULE,
-       .open           = ext4_es_seq_shrinker_info_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = ext4_es_seq_shrinker_info_release,
-};
-
 int ext4_es_register_shrinker(struct ext4_sb_info *sbi)
 {
        int err;
@@ -1210,10 +1160,6 @@ int ext4_es_register_shrinker(struct ext4_sb_info *sbi)
        if (err)
                goto err2;
 
-       if (sbi->s_proc)
-               proc_create_data("es_shrinker_info", S_IRUGO, sbi->s_proc,
-                                &ext4_es_seq_shrinker_info_fops, sbi);
-
        return 0;
 
 err2:
@@ -1225,8 +1171,6 @@ err1:
 
 void ext4_es_unregister_shrinker(struct ext4_sb_info *sbi)
 {
-       if (sbi->s_proc)
-               remove_proc_entry("es_shrinker_info", sbi->s_proc);
        percpu_counter_destroy(&sbi->s_es_stats.es_stats_all_cnt);
        percpu_counter_destroy(&sbi->s_es_stats.es_stats_shk_cnt);
        unregister_shrinker(&sbi->s_es_shrinker);