From ec55a6299990efa969dfc00d95c72444ff1e3461 Mon Sep 17 00:00:00 2001 From: Oleg Drokin Date: Thu, 21 May 2015 15:31:43 -0400 Subject: [PATCH] staging/lustre/llite: move /proc/fs/lustre/llite/uuid to sysfs Move uuid file from /proc/fs/lustre/llite/* to /sys/fs/lustre/llite/*/ Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- 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 53671db2b6d3..deee702fa33c 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -198,15 +198,15 @@ static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr, } LUSTRE_RO_ATTR(fstype); -static int ll_sb_uuid_seq_show(struct seq_file *m, void *v) +static ssize_t uuid_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", ll_s2sbi(sb)->ll_sb_uuid.uuid); - return 0; + return sprintf(buf, "%s\n", sbi->ll_sb_uuid.uuid); } -LPROC_SEQ_FOPS_RO(ll_sb_uuid); +LUSTRE_RO_ATTR(uuid); static int ll_site_stats_seq_show(struct seq_file *m, void *v) { @@ -837,7 +837,6 @@ static ssize_t ll_xattr_cache_seq_write(struct file *file, 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 }, */ { "site", &ll_site_stats_fops, NULL, 0 }, /* { "filegroups", lprocfs_rd_filegroups, 0, 0 }, */ @@ -875,6 +874,7 @@ static struct attribute *llite_attrs[] = { &lustre_attr_filesfree.attr, &lustre_attr_client_type.attr, &lustre_attr_fstype.attr, + &lustre_attr_uuid.attr, NULL, }; diff --git a/drivers/staging/lustre/sysfs-fs-lustre b/drivers/staging/lustre/sysfs-fs-lustre index 36c20d893a52..f353d129ea81 100644 --- a/drivers/staging/lustre/sysfs-fs-lustre +++ b/drivers/staging/lustre/sysfs-fs-lustre @@ -91,3 +91,9 @@ Date: May 2015 Contact: "Oleg Drokin" Description: Shows filesystem type of the filesystem + +What: /sys/fs/lustre/llite/-/uuid +Date: May 2015 +Contact: "Oleg Drokin" +Description: + Shows this filesystem superblock uuid