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authorNeilBrown <neilb@suse.de>2005-11-08 21:39:45 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:56:40 -0800
commitbb636547b02411ca5eef87b1d030ea3fc090a717 (patch)
treef6abbad4e7283d5d327646859ad0af1f9ee43aa8 /drivers
parent7eec314d7512d5281742263cff3853b43df431db (diff)
[PATCH] md: document sysfs usage of md, and make a couple of small refinements
Document in Documentation/md.txt the files that now appear in sysfs, and make a couple of small refinements to exactly when 'level' and 'raid_disks' are empty, to make it match the documentation. Signed-off-by: Neil Brown <neilb@suse.de> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/md.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 023aecd0295e..adf960d8a7c9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1727,7 +1727,7 @@ static ssize_t
level_show(mddev_t *mddev, char *page)
{
mdk_personality_t *p = mddev->pers;
- if (p == NULL)
+ if (p == NULL && mddev->raid_disks == 0)
return 0;
if (mddev->level >= 0)
return sprintf(page, "RAID-%d\n", mddev->level);
@@ -1740,6 +1740,8 @@ static struct md_sysfs_entry md_level = __ATTR_RO(level);
static ssize_t
raid_disks_show(mddev_t *mddev, char *page)
{
+ if (mddev->raid_disks == 0)
+ return 0;
return sprintf(page, "%d\n", mddev->raid_disks);
}