LU-11825 clio: Remove pio feature

[fs/lustre-release.git] / lustre / llite / lproc_llite.c

diff --git a/lustre/llite/lproc_llite.c b/lustre/llite/lproc_llite.c
index eeb3ad1..a57a625 100644 (file)
--- a/lustre/llite/lproc_llite.c
+++ b/lustre/llite/lproc_llite.c
@@ -1083,41 +1083,6 @@ static ssize_t fast_read_store(struct kobject *kobj,
 }
 LUSTRE_RW_ATTR(fast_read);
 
-static ssize_t pio_show(struct kobject *kobj,
-                       struct attribute *attr,
-                       char *buf)
-{
-       struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
-                                             ll_kset.kobj);
-
-       return sprintf(buf, "%u\n", !!(sbi->ll_flags & LL_SBI_PIO));
-}
-
-static ssize_t pio_store(struct kobject *kobj,
-                        struct attribute *attr,
-                        const char *buffer,
-                        size_t count)
-{
-       struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
-                                             ll_kset.kobj);
-       bool val;
-       int rc;
-
-       rc = kstrtobool(buffer, &val);
-       if (rc)
-               return rc;
-
-       spin_lock(&sbi->ll_lock);
-       if (val)
-               sbi->ll_flags |= LL_SBI_PIO;
-       else
-               sbi->ll_flags &= ~LL_SBI_PIO;
-       spin_unlock(&sbi->ll_lock);
-
-       return count;
-}
-LUSTRE_RW_ATTR(pio);
-
 static int ll_unstable_stats_seq_show(struct seq_file *m, void *v)
 {
        struct super_block      *sb    = m->private;
@@ -1289,7 +1254,6 @@ static struct attribute *llite_attrs[] = {
        &lustre_attr_default_easize.attr,
        &lustre_attr_xattr_cache.attr,
        &lustre_attr_fast_read.attr,
-       &lustre_attr_pio.attr,
        &lustre_attr_tiny_write.attr,
        NULL,
 };