[PATCH 08/58] staging/lustre/llite: move /proc/fs/lustre/llite/fstype to sysfs

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From: Oleg Drokin <green@xxxxxxxxxxxxxx>

Move fstype file from /proc/fs/lustre/llite/*
to /sys/fs/lustre/llite/*/

Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
---
 drivers/staging/lustre/lustre/llite/lproc_llite.c | 14 +++++++-------
 drivers/staging/lustre/sysfs-fs-lustre            |  6 ++++++
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index fba21f8..53671db 100644
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -188,15 +188,15 @@ static ssize_t client_type_show(struct kobject *kobj, struct attribute *attr,
 }
 LUSTRE_RO_ATTR(client_type);
 
-static int ll_fstype_seq_show(struct seq_file *m, void *v)
+static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
+			   char *buf)
 {
-	struct super_block *sb = (struct super_block *)m->private;
+	struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+					      ll_kobj);
 
-	LASSERT(sb != NULL);
-	seq_printf(m, "%s\n", sb->s_type->name);
-	return 0;
+	return sprintf(buf, "%s\n", sbi->ll_sb->s_type->name);
 }
-LPROC_SEQ_FOPS_RO(ll_fstype);
+LUSTRE_RO_ATTR(fstype);
 
 static int ll_sb_uuid_seq_show(struct seq_file *m, void *v)
 {
@@ -839,7 +839,6 @@ LPROC_SEQ_FOPS(ll_xattr_cache);
 static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
 	{ "uuid",	  &ll_sb_uuid_fops,	  NULL, 0 },
 	/* { "mntpt_path",   ll_rd_path,	     0, 0 }, */
-	{ "fstype",       &ll_fstype_fops,	  NULL, 0 },
 	{ "site",	  &ll_site_stats_fops,    NULL, 0 },
 	/* { "filegroups",   lprocfs_rd_filegroups,  0, 0 }, */
 	{ "max_read_ahead_mb", &ll_max_readahead_mb_fops, NULL },
@@ -875,6 +874,7 @@ static struct attribute *llite_attrs[] = {
 	&lustre_attr_filestotal.attr,
 	&lustre_attr_filesfree.attr,
 	&lustre_attr_client_type.attr,
+	&lustre_attr_fstype.attr,
 	NULL,
 };
 
diff --git a/drivers/staging/lustre/sysfs-fs-lustre b/drivers/staging/lustre/sysfs-fs-lustre
index 213eb86..36c20d8 100644
--- a/drivers/staging/lustre/sysfs-fs-lustre
+++ b/drivers/staging/lustre/sysfs-fs-lustre
@@ -85,3 +85,9 @@ Description:
 		Shows whenever this filesystem considers this client to be
 		compute cluster-local or remote. Remote clients have
 		additional uid/gid convrting logic applied.
+
+What:		/sys/fs/lustre/llite/<fsname>-<uuid>/fstype
+Date:		May 2015
+Contact:	"Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+		Shows filesystem type of the filesystem
-- 
2.1.0

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