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UBI: prepare for max_beb_per1024 module parameter addition

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This patch prepare the way for the addition of max_beb_per1024 module
parameter.  There's no functional change.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Richard Genoud 2012-08-20 18:00:11 +02:00 committed by Artem Bityutskiy
parent 5993f9b738
commit 256334c319
3 changed files with 12 additions and 8 deletions
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14
drivers/mtd/ubi/build.c
View File

@ -599,6 +599,7 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024)
/**
* io_init - initialize I/O sub-system for a given UBI device.
* @ubi: UBI device description object
* @max_beb_per1024: maximum expected number of bad PEB per 1024 PEBs
*
* If @ubi->vid_hdr_offset or @ubi->leb_start is zero, default offsets are
* assumed:
@ -611,10 +612,8 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024)
* This function returns zero in case of success and a negative error code in
* case of failure.
*/
static int io_init(struct ubi_device *ubi)
static int io_init(struct ubi_device *ubi, int max_beb_per1024)
{
const int max_beb_per1024 = CONFIG_MTD_UBI_BEB_LIMIT;
if (ubi->mtd->numeraseregions != 0) {
/*
* Some flashes have several erase regions. Different regions
@ -836,6 +835,7 @@ static int autoresize(struct ubi_device *ubi, int vol_id)
* @mtd: MTD device description object
* @ubi_num: number to assign to the new UBI device
* @vid_hdr_offset: VID header offset
* @max_beb_per1024: maximum number of expected bad blocks per 1024 PEBs
*
* This function attaches MTD device @mtd_dev to UBI and assign @ubi_num number
* to the newly created UBI device, unless @ubi_num is %UBI_DEV_NUM_AUTO, in
@ -846,7 +846,8 @@ static int autoresize(struct ubi_device *ubi, int vol_id)
* Note, the invocations of this function has to be serialized by the
* @ubi_devices_mutex.
*/
int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset)
int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
int vid_hdr_offset, int max_beb_per1024)
{
struct ubi_device *ubi;
int i, err, ref = 0;
@ -919,7 +920,7 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset)
dbg_msg("sizeof(struct ubi_ainf_peb) %zu", sizeof(struct ubi_ainf_peb));
dbg_msg("sizeof(struct ubi_wl_entry) %zu", sizeof(struct ubi_wl_entry));
err = io_init(ubi);
err = io_init(ubi, max_beb_per1024);
if (err)
goto out_free;
@ -1208,7 +1209,8 @@ static int __init ubi_init(void)
mutex_lock(&ubi_devices_mutex);
err = ubi_attach_mtd_dev(mtd, UBI_DEV_NUM_AUTO,
p->vid_hdr_offs);
p->vid_hdr_offs,
CONFIG_MTD_UBI_BEB_LIMIT);
mutex_unlock(&ubi_devices_mutex);
if (err < 0) {
ubi_err("cannot attach mtd%d", mtd->index);

3
drivers/mtd/ubi/cdev.c
View File

@ -1010,7 +1010,8 @@ static long ctrl_cdev_ioctl(struct file *file, unsigned int cmd,
* 'ubi_attach_mtd_dev()'.
*/
mutex_lock(&ubi_devices_mutex);
err = ubi_attach_mtd_dev(mtd, req.ubi_num, req.vid_hdr_offset);
err = ubi_attach_mtd_dev(mtd, req.ubi_num, req.vid_hdr_offset,
CONFIG_MTD_UBI_BEB_LIMIT);
mutex_unlock(&ubi_devices_mutex);
if (err < 0)
put_mtd_device(mtd);

3
drivers/mtd/ubi/ubi.h
View File

@ -693,7 +693,8 @@ int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum,
struct ubi_vid_hdr *vid_hdr);
/* build.c */
int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset);
int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
int vid_hdr_offset, int max_beb_per1024);
int ubi_detach_mtd_dev(int ubi_num, int anyway);
struct ubi_device *ubi_get_device(int ubi_num);
void ubi_put_device(struct ubi_device *ubi);