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| author | Corentin Chary <corentincj@iksaif.net> | 2009-01-05 14:46:19 +0100 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2009-01-18 14:02:08 +0200 |
| commit | c3da23be1673be4e738aea235604b4e6cb259655 (patch) | |
| tree | 876a7f8625e2c733bd87f58f1980e9b40031f8a0 /drivers | |
| parent | 141e6ebd1b1759bd5cebf092b7216b6f1c7b4c4f (diff) | |
| download | kernel_samsung_aries-c3da23be1673be4e738aea235604b4e6cb259655.zip kernel_samsung_aries-c3da23be1673be4e738aea235604b4e6cb259655.tar.gz kernel_samsung_aries-c3da23be1673be4e738aea235604b4e6cb259655.tar.bz2 | |
UBI: add ioctl for unmap operation
This patch adds ioctl for the LEB unmap operation (as a debugging
option so far).
[Re-named ioctl to make it look the same as the other one and made
some minor stylistic changes. Artem Bityutskiy.]
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/ubi/cdev.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index 055e3f5..fd7e0f9 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -532,13 +532,26 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file, err = ubi_leb_map(desc, req.lnum, req.dtype); break; } + + /* Logical eraseblock un-map command */ + case UBI_IOCEBUNMAP: + { + int32_t lnum; + + err = get_user(lnum, (__user int32_t *)argp); + if (err) { + err = -EFAULT; + break; + } + err = ubi_leb_unmap(desc, lnum); + break; + } #endif default: err = -ENOTTY; break; } - return err; } |