[PATCH 18/25] staging/lustre/llite: move /proc/fs/lustre/llite/*_easize to sysfs

green at linuxhacker.ru green at linuxhacker.ru
Sat May 16 07:31:10 UTC 2015


From: Oleg Drokin <green at linuxhacker.ru>

Move max_easize and default_easize files from /proc/fs/lustre/llite/*
to /sys/fs/lustre/llite/*/

Signed-off-by: Oleg Drokin <green at linuxhacker.ru>
---
 drivers/staging/lustre/lustre/llite/lproc_llite.c | 26 +++++++++++------------
 drivers/staging/lustre/sysfs-fs-lustre            | 14 ++++++++++++
 2 files changed, 26 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index 010545a..755bf6a 100644
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -683,10 +683,10 @@ static ssize_t lazystatfs_store(struct kobject *kobj,
 }
 LUSTRE_RW_ATTR(lazystatfs);
 
-static int ll_max_easize_seq_show(struct seq_file *m, void *v)
+static ssize_t max_easize_show(struct kobject *kobj, char *buf)
 {
-	struct super_block *sb = m->private;
-	struct ll_sb_info *sbi = ll_s2sbi(sb);
+	struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+					      ll_kobj);
 	unsigned int ealen;
 	int rc;
 
@@ -694,15 +694,14 @@ static int ll_max_easize_seq_show(struct seq_file *m, void *v)
 	if (rc)
 		return rc;
 
-	seq_printf(m, "%u\n", ealen);
-	return 0;
+	return sprintf(buf, "%u\n", ealen);
 }
-LPROC_SEQ_FOPS_RO(ll_max_easize);
+LUSTRE_RO_ATTR(max_easize);
 
-static int ll_default_easize_seq_show(struct seq_file *m, void *v)
+static ssize_t default_easize_show(struct kobject *kobj, char *buf)
 {
-	struct super_block *sb = m->private;
-	struct ll_sb_info *sbi = ll_s2sbi(sb);
+	struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+					      ll_kobj);
 	unsigned int ealen;
 	int rc;
 
@@ -710,10 +709,9 @@ static int ll_default_easize_seq_show(struct seq_file *m, void *v)
 	if (rc)
 		return rc;
 
-	seq_printf(m, "%u\n", ealen);
-	return 0;
+	return sprintf(buf, "%u\n", ealen);
 }
-LPROC_SEQ_FOPS_RO(ll_default_easize);
+LUSTRE_RO_ATTR(default_easize);
 
 static int ll_max_cookiesize_seq_show(struct seq_file *m, void *v)
 {
@@ -812,8 +810,6 @@ static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
 	/* { "filegroups",   lprocfs_rd_filegroups,  0, 0 }, */
 	{ "max_cached_mb",    &ll_max_cached_mb_fops, NULL },
 	{ "statahead_stats",  &ll_statahead_stats_fops, NULL, 0 },
-	{ "max_easize",       &ll_max_easize_fops, NULL, 0 },
-	{ "default_easize",   &ll_default_easize_fops, NULL, 0 },
 	{ "max_cookiesize",   &ll_max_cookiesize_fops, NULL, 0 },
 	{ "default_cookiesize", &ll_default_cookiesize_fops, NULL, 0 },
 	{ "sbi_flags",	      &ll_sbi_flags_fops, NULL, 0 },
@@ -843,6 +839,8 @@ static struct attribute *llite_attrs[] = {
 	&lustre_attr_statahead_max.attr,
 	&lustre_attr_statahead_agl.attr,
 	&lustre_attr_lazystatfs.attr,
+	&lustre_attr_max_easize.attr,
+	&lustre_attr_default_easize.attr,
 	NULL,
 };
 
diff --git a/drivers/staging/lustre/sysfs-fs-lustre b/drivers/staging/lustre/sysfs-fs-lustre
index 184b387..bf3f82a 100644
--- a/drivers/staging/lustre/sysfs-fs-lustre
+++ b/drivers/staging/lustre/sysfs-fs-lustre
@@ -169,3 +169,17 @@ Description:
 		Controls statfs(2) behaviour in the face of down servers.
 		If 0, always wait for all servers to come online,
 		if 1, ignote inactive servers.
+
+What:		/sys/fs/lustre/llite/<fsname>-<uuid>/max_easize
+Date:		May 2015
+Contact:	"Oleg Drokin" <oleg.drokin at intel.com>
+Description:
+		Shows maximum number of bytes file striping data could be
+		in current configuration of storage.
+
+What:		/sys/fs/lustre/llite/<fsname>-<uuid>/default_easize
+Date:		May 2015
+Contact:	"Oleg Drokin" <oleg.drokin at intel.com>
+Description:
+		Shows maximum observed file striping data seen by this
+		filesystem client instance.
-- 
2.1.0



More information about the devel mailing list