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Commit c7fe64bd authored by Oleg Drokin's avatar Oleg Drokin Committed by Greg Kroah-Hartman
Browse files

staging/lustre/llite: move /proc/fs/lustre/llite/lazystatfs to sysfs 



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

Signed-off-by: default avatarOleg Drokin <green@linuxhacker.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4081a320

drivers/staging/lustre/lustre/llite/lproc_llite.c

+17 −14
Original line number Diff line number Diff line
@@ -686,24 +686,27 @@ static int ll_statahead_stats_seq_show(struct seq_file *m, void *v) 
}

LPROC_SEQ_FOPS_RO(ll_statahead_stats);



static int ll_lazystatfs_seq_show(struct seq_file *m, void *v)

static ssize_t lazystatfs_show(struct kobject *kobj,

			       struct attribute *attr,

			       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);



	seq_printf(m, "%u\n", sbi->ll_flags & LL_SBI_LAZYSTATFS ? 1 : 0);

	return 0;

	return sprintf(buf, "%u\n", sbi->ll_flags & LL_SBI_LAZYSTATFS ? 1 : 0);

}



static ssize_t ll_lazystatfs_seq_write(struct file *file,

				       const char __user *buffer,

				       size_t count, loff_t *off)

static ssize_t lazystatfs_store(struct kobject *kobj,

				struct attribute *attr,

				const char *buffer,

				size_t count)

{

	struct super_block *sb = ((struct seq_file *)file->private_data)->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;
@@ -714,7 +717,7 @@ static ssize_t ll_lazystatfs_seq_write(struct file *file, 


	return count;

}

LPROC_SEQ_FOPS(ll_lazystatfs);

LUSTRE_RW_ATTR(lazystatfs);



static int ll_max_easize_seq_show(struct seq_file *m, void *v)

{
@@ -845,7 +848,6 @@ 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 },

	{ "lazystatfs",       &ll_lazystatfs_fops, NULL },

	{ "max_easize",       &ll_max_easize_fops, NULL, 0 },

	{ "default_easize",   &ll_default_easize_fops, NULL, 0 },

	{ "max_cookiesize",   &ll_max_cookiesize_fops, NULL, 0 },
@@ -876,6 +878,7 @@ static struct attribute *llite_attrs[] = { 
	&lustre_attr_stats_track_gid.attr,

	&lustre_attr_statahead_max.attr,

	&lustre_attr_statahead_agl.attr,

	&lustre_attr_lazystatfs.attr,

	NULL,

};

drivers/staging/lustre/sysfs-fs-lustre

+8 −0
Original line number Diff line number Diff line
@@ -161,3 +161,11 @@ Description: 
		from OSTs in parallel with MDS during statahead) should be

		enabled or disabled.

		0 to disable, 1 to enable.



What:		/sys/fs/lustre/llite/<fsname>-<uuid>/lazystatfs

Date:		May 2015

Contact:	"Oleg Drokin" <oleg.drokin@intel.com>

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.