From: Oleg Drokin <gr...@linuxhacker.ru>
Move xattr_cache file from /proc/fs/lustre/llite/*
to /sys/fs/lustre/llite/*/
Signed-off-by: Oleg Drokin <gr...@linuxhacker.ru>
---
drivers/staging/lustre/lustre/llite/lproc_llite.c | 30 +++++++++++------------
drivers/staging/lustre/sysfs-fs-lustre | 7 ++++++
2 files changed, 21 insertions(+), 16 deletions(-)
diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c
b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index 7f29607..8270a81 100644
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -737,26 +737,24 @@ static int ll_sbi_flags_seq_show(struct seq_file *m, void
*v)
}
LPROC_SEQ_FOPS_RO(ll_sbi_flags);
-static int ll_xattr_cache_seq_show(struct seq_file *m, void *v)
+static ssize_t xattr_cache_show(struct kobject *kobj, char *buf)
{
- struct super_block *sb = m->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
-
- seq_printf(m, "%u\n", sbi->ll_xattr_cache_enabled);
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kobj);
- return 0;
+ return sprintf(buf, "%u\n", sbi->ll_xattr_cache_enabled);
}
-static ssize_t ll_xattr_cache_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t xattr_cache_store(struct kobject *kobj,
+ const char *buffer,
+ size_t count)
{
- struct seq_file *seq = file->private_data;
- struct super_block *sb = seq->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- int val, rc;
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kobj);
+ int rc;
+ unsigned long val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
@@ -770,7 +768,7 @@ static ssize_t ll_xattr_cache_seq_write(struct file *file,
return count;
}
-LPROC_SEQ_FOPS(ll_xattr_cache);
+LUSTRE_RW_ATTR(xattr_cache);
static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
/* { "mntpt_path", ll_rd_path, 0, 0 }, */
@@ -779,7 +777,6 @@ static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
{ "max_cached_mb", &ll_max_cached_mb_fops, NULL },
{ "statahead_stats", &ll_statahead_stats_fops, NULL, 0 },
{ "sbi_flags", &ll_sbi_flags_fops, NULL, 0 },
- { "xattr_cache", &ll_xattr_cache_fops, NULL, 0 },
{ NULL }
};
@@ -807,6 +804,7 @@ static struct attribute *llite_attrs[] = {
&lustre_attr_lazystatfs.attr,
&lustre_attr_max_easize.attr,
&lustre_attr_default_easize.attr,
+ &lustre_attr_xattr_cache.attr,
NULL,
};
diff --git a/drivers/staging/lustre/sysfs-fs-lustre
b/drivers/staging/lustre/sysfs-fs-lustre
index bf3f82a..ec4ae47 100644
--- a/drivers/staging/lustre/sysfs-fs-lustre
+++ b/drivers/staging/lustre/sysfs-fs-lustre
@@ -183,3 +183,10 @@ Contact: "Oleg Drokin" <oleg.dro...@intel.com>
Description:
Shows maximum observed file striping data seen by this
filesystem client instance.
+
+What: /sys/fs/lustre/llite/<fsname>-<uuid>/xattr_cache
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.dro...@intel.com>
+Description:
+ Controls extended attributes client-side cache.
+ 1 to enable, 0 to disable.
--
2.1.0
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