commit 3931f1aa4d1cd87a889235edc3eee7ceb5f73de4
Author: NeilBrown <[EMAIL PROTECTED]>
Date: Mon Mar 24 21:21:26 2008 -0700
md: remove the 'super' sysfs attribute from devices in an 'md' array
upstream commit: 0e82989d95cc46cc58622381eafa54f7428ee679
Exposing the binary blob which is the md 'super-block' via sysfs doesn't
really fit with the whole sysfs model, and ever since commit
8118a859dc7abd873193986c77a8d9bdb877adc8 ("sysfs: fix off-by-one error
in fill_read_buffer()") it doesn't actually work at all (as the size of
the blob is often one page).
(akpm: as in, fs/sysfs/file.c:fill_read_buffer() goes BUG)
So just remove it altogether. It isn't really useful.
Signed-off-by: Neil Brown <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index cef9ebd..5113e8d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1847,17 +1847,6 @@ static struct rdev_sysfs_entry rdev_state =
__ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store);
static ssize_t
-super_show(mdk_rdev_t *rdev, char *page)
-{
- if (rdev->sb_loaded && rdev->sb_size) {
- memcpy(page, page_address(rdev->sb_page), rdev->sb_size);
- return rdev->sb_size;
- } else
- return 0;
-}
-static struct rdev_sysfs_entry rdev_super = __ATTR_RO(super);
-
-static ssize_t
errors_show(mdk_rdev_t *rdev, char *page)
{
return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors));
@@ -1959,7 +1948,6 @@ __ATTR(size, S_IRUGO|S_IWUSR, rdev_size_show,
rdev_size_store);
static struct attribute *rdev_default_attrs[] = {
&rdev_state.attr,
- &rdev_super.attr,
&rdev_errors.attr,
&rdev_slot.attr,
&rdev_offset.attr,
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