Messages in this thread Patch in this message | | | Date | Sat, 18 Oct 2008 11:34:08 -0700 | From | Greg KH <> | Subject | [patch 06/17] md: Fix rdev_size_store with size == 0 |
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2.6.27-stable review patch. If anyone has any objections, please let us know.
------------------ From: Chris Webb <chris@arachsys.com>
commit 7d3c6f8717ee6c2bf6cba5fa0bda3b28fbda6015 upstream
Fix rdev_size_store with size == 0. size == 0 means to use the largest size allowed by the underlying device and is used when modifying an active array.
This fixes a regression introduced by commit d7027458d68b2f1752a28016dcf2ffd0a7e8f567
Signed-off-by: Chris Webb <chris@arachsys.com> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/md/md.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2109,8 +2109,6 @@ rdev_size_store(mdk_rdev_t *rdev, const if (strict_strtoull(buf, 10, &size) < 0) return -EINVAL; - if (size < my_mddev->size) - return -EINVAL; if (my_mddev->pers && rdev->raid_disk >= 0) { if (my_mddev->persistent) { size = super_types[my_mddev->major_version]. @@ -2121,9 +2119,9 @@ rdev_size_store(mdk_rdev_t *rdev, const size = (rdev->bdev->bd_inode->i_size >> 10); size -= rdev->data_offset/2; } - if (size < my_mddev->size) - return -EINVAL; /* component must fit device */ } + if (size < my_mddev->size) + return -EINVAL; /* component must fit device */ rdev->size = size; if (size > oldsize && my_mddev->external) { --
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