diff options
author | Oleg Drokin <green@linuxhacker.ru> | 2015-05-21 15:31:59 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-31 10:50:19 +0900 |
commit | 6784096b4818636ad512575c701e164e8e6a09d3 (patch) | |
tree | 81c2e3dbb30a69dc2a37e03ea7f05ecbfe53f7fa /drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | |
parent | 63af1f57474fac888116d896a0c5f17aeb6a702d (diff) | |
download | op-kernel-dev-6784096b4818636ad512575c701e164e8e6a09d3.zip op-kernel-dev-6784096b4818636ad512575c701e164e8e6a09d3.tar.gz |
staging/lustre/ldlm: move namespaces/lru_size to sysfs
Move ldlm display of lru_size from procfs to sysfs
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm/ldlm_resource.c')
-rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c index f47cf49..4bba678 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c @@ -179,31 +179,28 @@ static ssize_t lock_count_show(struct kobject *kobj, struct attribute *attr, } LUSTRE_RO_ATTR(lock_count); -static int lprocfs_lru_size_seq_show(struct seq_file *m, void *v) +static ssize_t lru_size_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct ldlm_namespace *ns = m->private; + struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace, + ns_kobj); __u32 *nr = &ns->ns_max_unused; if (ns_connect_lru_resize(ns)) nr = &ns->ns_nr_unused; - return lprocfs_rd_uint(m, nr); + return sprintf(buf, "%u", *nr); } -static ssize_t lprocfs_lru_size_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t lru_size_store(struct kobject *kobj, struct attribute *attr, + const char *buffer, size_t count) { - struct ldlm_namespace *ns = ((struct seq_file *)file->private_data)->private; - char dummy[MAX_STRING_SIZE + 1]; + struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace, + ns_kobj); unsigned long tmp; int lru_resize; int err; - dummy[MAX_STRING_SIZE] = '\0'; - if (copy_from_user(dummy, buffer, MAX_STRING_SIZE)) - return -EFAULT; - - if (strncmp(dummy, "clear", 5) == 0) { + if (strncmp(buffer, "clear", 5) == 0) { CDEBUG(D_DLMTRACE, "dropping all unused locks from namespace %s\n", ldlm_ns_name(ns)); @@ -229,9 +226,9 @@ static ssize_t lprocfs_lru_size_seq_write(struct file *file, return count; } - err = kstrtoul(dummy, 10, &tmp); + err = kstrtoul(buffer, 10, &tmp); if (err != 0) { - CERROR("invalid value written\n"); + CERROR("lru_size: invalid value written\n"); return -EINVAL; } lru_resize = (tmp == 0); @@ -277,7 +274,7 @@ static ssize_t lprocfs_lru_size_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(lprocfs_lru_size); +LUSTRE_RW_ATTR(lru_size); static int lprocfs_elc_seq_show(struct seq_file *m, void *v) { @@ -311,6 +308,7 @@ LPROC_SEQ_FOPS(lprocfs_elc); static struct attribute *ldlm_ns_attrs[] = { &lustre_attr_resource_count.attr, &lustre_attr_lock_count.attr, + &lustre_attr_lru_size.attr, NULL, }; @@ -401,7 +399,6 @@ int ldlm_namespace_proc_register(struct ldlm_namespace *ns) if (ns_is_client(ns)) { LDLM_NS_ADD_VAR("lock_unused_count", &ns->ns_nr_unused, &ldlm_uint_fops); - LDLM_NS_ADD_VAR("lru_size", ns, &lprocfs_lru_size_fops); LDLM_NS_ADD_VAR("lru_max_age", &ns->ns_max_age, &ldlm_rw_uint_fops); LDLM_NS_ADD_VAR("early_lock_cancel", ns, &lprocfs_elc_fops); |