diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mtd/ubi/build.c | 4 | ||||
-rw-r--r-- | drivers/mtd/ubi/cdev.c | 6 | ||||
-rw-r--r-- | drivers/mtd/ubi/eba.c | 51 | ||||
-rw-r--r-- | drivers/mtd/ubi/gluebi.c | 9 | ||||
-rw-r--r-- | drivers/mtd/ubi/kapi.c | 12 | ||||
-rw-r--r-- | drivers/mtd/ubi/misc.c | 2 | ||||
-rw-r--r-- | drivers/mtd/ubi/ubi.h | 21 | ||||
-rw-r--r-- | drivers/mtd/ubi/upd.c | 7 | ||||
-rw-r--r-- | drivers/mtd/ubi/vmt.c | 22 | ||||
-rw-r--r-- | drivers/mtd/ubi/vtbl.c | 6 |
10 files changed, 68 insertions, 72 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index b85ca186afc..5d00364d4a4 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -249,7 +249,7 @@ static void kill_volumes(struct ubi_device *ubi) for (i = 0; i < ubi->vtbl_slots; i++) if (ubi->volumes[i]) - ubi_free_volume(ubi, i); + ubi_free_volume(ubi, ubi->volumes[i]); } /** @@ -300,7 +300,7 @@ static int uif_init(struct ubi_device *ubi) for (i = 0; i < ubi->vtbl_slots; i++) if (ubi->volumes[i]) { - err = ubi_add_volume(ubi, i); + err = ubi_add_volume(ubi, ubi->volumes[i]); if (err) { ubi_err("cannot add volume %d", i); goto out_volumes; diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index 7697eda2d58..24344ba3cfe 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -249,7 +249,7 @@ static ssize_t vol_cdev_read(struct file *file, __user char *buf, size_t count, if (off + len >= vol->usable_leb_size) len = vol->usable_leb_size - off; - err = ubi_eba_read_leb(ubi, vol_id, lnum, tbuf, off, len, 0); + err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0); if (err) break; @@ -339,7 +339,7 @@ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf, break; } - err = ubi_eba_write_leb(ubi, vol_id, lnum, tbuf, off, len, + err = ubi_eba_write_leb(ubi, vol, lnum, tbuf, off, len, UBI_UNKNOWN); if (err) break; @@ -484,7 +484,7 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file, } dbg_msg("erase LEB %d:%d", vol->vol_id, lnum); - err = ubi_eba_unmap_leb(ubi, vol->vol_id, lnum); + err = ubi_eba_unmap_leb(ubi, vol, lnum); if (err) break; diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 5fdb31bc563..b2b0f29bdc5 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -289,17 +289,17 @@ static void leb_write_unlock(struct ubi_device *ubi, int vol_id, int lnum) /** * ubi_eba_unmap_leb - un-map logical eraseblock. * @ubi: UBI device description object - * @vol_id: volume ID + * @vol: volume description object * @lnum: logical eraseblock number * * This function un-maps logical eraseblock @lnum and schedules corresponding * physical eraseblock for erasure. Returns zero in case of success and a * negative error code in case of failure. */ -int ubi_eba_unmap_leb(struct ubi_device *ubi, int vol_id, int lnum) +int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol, + int lnum) { - int idx = vol_id2idx(ubi, vol_id), err, pnum; - struct ubi_volume *vol = ubi->volumes[idx]; + int err, pnum, vol_id = vol->vol_id; if (ubi->ro_mode) return -EROFS; @@ -326,7 +326,7 @@ out_unlock: /** * ubi_eba_read_leb - read data. * @ubi: UBI device description object - * @vol_id: volume ID + * @vol: volume description object * @lnum: logical eraseblock number * @buf: buffer to store the read data * @offset: offset from where to read @@ -342,12 +342,11 @@ out_unlock: * returned for any volume type if an ECC error was detected by the MTD device * driver. Other negative error cored may be returned in case of other errors. */ -int ubi_eba_read_leb(struct ubi_device *ubi, int vol_id, int lnum, void *buf, - int offset, int len, int check) +int ubi_eba_read_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, + void *buf, int offset, int len, int check) { - int err, pnum, scrub = 0, idx = vol_id2idx(ubi, vol_id); + int err, pnum, scrub = 0, vol_id = vol->vol_id; struct ubi_vid_hdr *vid_hdr; - struct ubi_volume *vol = ubi->volumes[idx]; uint32_t uninitialized_var(crc); err = leb_read_lock(ubi, vol_id, lnum); @@ -555,7 +554,7 @@ write_error: /** * ubi_eba_write_leb - write data to dynamic volume. * @ubi: UBI device description object - * @vol_id: volume ID + * @vol: volume description object * @lnum: logical eraseblock number * @buf: the data to write * @offset: offset within the logical eraseblock where to write @@ -563,15 +562,14 @@ write_error: * @dtype: data type * * This function writes data to logical eraseblock @lnum of a dynamic volume - * @vol_id. Returns zero in case of success and a negative error code in case + * @vol. Returns zero in case of success and a negative error code in case * of failure. In case of error, it is possible that something was still * written to the flash media, but may be some garbage. */ -int ubi_eba_write_leb(struct ubi_device *ubi, int vol_id, int lnum, +int ubi_eba_write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, const void *buf, int offset, int len, int dtype) { - int idx = vol_id2idx(ubi, vol_id), err, pnum, tries = 0; - struct ubi_volume *vol = ubi->volumes[idx]; + int err, pnum, tries = 0, vol_id = vol->vol_id; struct ubi_vid_hdr *vid_hdr; if (ubi->ro_mode) @@ -590,7 +588,8 @@ int ubi_eba_write_leb(struct ubi_device *ubi, int vol_id, int lnum, if (err) { ubi_warn("failed to write data to PEB %d", pnum); if (err == -EIO && ubi->bad_allowed) - err = recover_peb(ubi, pnum, vol_id, lnum, buf, offset, len); + err = recover_peb(ubi, pnum, vol_id, lnum, buf, + offset, len); if (err) ubi_ro_mode(ubi); } @@ -678,7 +677,7 @@ write_error: /** * ubi_eba_write_leb_st - write data to static volume. * @ubi: UBI device description object - * @vol_id: volume ID + * @vol: volume description object * @lnum: logical eraseblock number * @buf: data to write * @len: how many bytes to write @@ -686,7 +685,7 @@ write_error: * @used_ebs: how many logical eraseblocks will this volume contain * * This function writes data to logical eraseblock @lnum of static volume - * @vol_id. The @used_ebs argument should contain total number of logical + * @vol. The @used_ebs argument should contain total number of logical * eraseblock in this static volume. * * When writing to the last logical eraseblock, the @len argument doesn't have @@ -698,12 +697,11 @@ write_error: * volumes. This function returns zero in case of success and a negative error * code in case of failure. */ -int ubi_eba_write_leb_st(struct ubi_device *ubi, int vol_id, int lnum, - const void *buf, int len, int dtype, int used_ebs) +int ubi_eba_write_leb_st(struct ubi_device *ubi, struct ubi_volume *vol, + int lnum, const void *buf, int len, int dtype, + int used_ebs) { - int err, pnum, tries = 0, data_size = len; - int idx = vol_id2idx(ubi, vol_id); - struct ubi_volume *vol = ubi->volumes[idx]; + int err, pnum, tries = 0, data_size = len, vol_id = vol->vol_id; struct ubi_vid_hdr *vid_hdr; uint32_t crc; @@ -799,7 +797,7 @@ write_error: /* * ubi_eba_atomic_leb_change - change logical eraseblock atomically. * @ubi: UBI device description object - * @vol_id: volume ID + * @vol: volume escription object * @lnum: logical eraseblock number * @buf: data to write * @len: how many bytes to write @@ -814,11 +812,10 @@ write_error: * UBI reserves one LEB for the "atomic LEB change" operation, so only one * LEB change may be done at a time. This is ensured by @ubi->alc_mutex. */ -int ubi_eba_atomic_leb_change(struct ubi_device *ubi, int vol_id, int lnum, - const void *buf, int len, int dtype) +int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol, + int lnum, const void *buf, int len, int dtype) { - int err, pnum, tries = 0, idx = vol_id2idx(ubi, vol_id); - struct ubi_volume *vol = ubi->volumes[idx]; + int err, pnum, tries = 0, vol_id = vol->vol_id; struct ubi_vid_hdr *vid_hdr; uint32_t crc; diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c index 41ff74c60e1..d397219238d 100644 --- a/drivers/mtd/ubi/gluebi.c +++ b/drivers/mtd/ubi/gluebi.c @@ -129,8 +129,7 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len, if (to_read > total_read) to_read = total_read; - err = ubi_eba_read_leb(ubi, vol->vol_id, lnum, buf, offs, - to_read, 0); + err = ubi_eba_read_leb(ubi, vol, lnum, buf, offs, to_read, 0); if (err) break; @@ -187,8 +186,8 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len, if (to_write > total_written) to_write = total_written; - err = ubi_eba_write_leb(ubi, vol->vol_id, lnum, buf, offs, - to_write, UBI_UNKNOWN); + err = ubi_eba_write_leb(ubi, vol, lnum, buf, offs, to_write, + UBI_UNKNOWN); if (err) break; @@ -237,7 +236,7 @@ static int gluebi_erase(struct mtd_info *mtd, struct erase_info *instr) return -EROFS; for (i = 0; i < count; i++) { - err = ubi_eba_unmap_leb(ubi, vol->vol_id, lnum + i); + err = ubi_eba_unmap_leb(ubi, vol, lnum + i); if (err) goto out_err; } diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c index 3bf2c951c2e..c2fafe6fb2d 100644 --- a/drivers/mtd/ubi/kapi.c +++ b/drivers/mtd/ubi/kapi.c @@ -332,7 +332,7 @@ int ubi_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset, if (len == 0) return 0; - err = ubi_eba_read_leb(ubi, vol_id, lnum, buf, offset, len, check); + err = ubi_eba_read_leb(ubi, vol, lnum, buf, offset, len, check); if (err && err == -EBADMSG && vol->vol_type == UBI_STATIC_VOLUME) { ubi_warn("mark volume %d as corrupted", vol_id); vol->corrupted = 1; @@ -399,7 +399,7 @@ int ubi_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf, if (len == 0) return 0; - return ubi_eba_write_leb(ubi, vol_id, lnum, buf, offset, len, dtype); + return ubi_eba_write_leb(ubi, vol, lnum, buf, offset, len, dtype); } EXPORT_SYMBOL_GPL(ubi_leb_write); @@ -448,7 +448,7 @@ int ubi_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf, if (len == 0) return 0; - return ubi_eba_atomic_leb_change(ubi, vol_id, lnum, buf, len, dtype); + return ubi_eba_atomic_leb_change(ubi, vol, lnum, buf, len, dtype); } EXPORT_SYMBOL_GPL(ubi_leb_change); @@ -481,7 +481,7 @@ int ubi_leb_erase(struct ubi_volume_desc *desc, int lnum) if (vol->upd_marker) return -EBADF; - err = ubi_eba_unmap_leb(ubi, vol_id, lnum); + err = ubi_eba_unmap_leb(ubi, vol, lnum); if (err) return err; @@ -542,7 +542,7 @@ int ubi_leb_unmap(struct ubi_volume_desc *desc, int lnum) if (vol->upd_marker) return -EBADF; - return ubi_eba_unmap_leb(ubi, vol_id, lnum); + return ubi_eba_unmap_leb(ubi, vol, lnum); } EXPORT_SYMBOL_GPL(ubi_leb_unmap); @@ -587,7 +587,7 @@ int ubi_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype) if (vol->eba_tbl[lnum] >= 0) return -EBADMSG; - return ubi_eba_write_leb(ubi, vol_id, lnum, NULL, 0, 0, dtype); + return ubi_eba_write_leb(ubi, vol, lnum, NULL, 0, 0, dtype); } EXPORT_SYMBOL_GPL(ubi_leb_map); diff --git a/drivers/mtd/ubi/misc.c b/drivers/mtd/ubi/misc.c index 9e2338c8e2c..93e05281201 100644 --- a/drivers/mtd/ubi/misc.c +++ b/drivers/mtd/ubi/misc.c @@ -79,7 +79,7 @@ int ubi_check_volume(struct ubi_device *ubi, int vol_id) else size = vol->usable_leb_size; - err = ubi_eba_read_leb(ubi, vol_id, i, buf, 0, size, 1); + err = ubi_eba_read_leb(ubi, vol, i, buf, 0, size, 1); if (err) { if (err == -EBADMSG) err = 1; diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 23875bf6aa3..0a3a803dd22 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -410,8 +410,8 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_scan_info *si); int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req); int ubi_remove_volume(struct ubi_volume_desc *desc); int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs); -int ubi_add_volume(struct ubi_device *ubi, int vol_id); -void ubi_free_volume(struct ubi_device *ubi, int vol_id); +int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol); +void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol); /* upd.c */ int ubi_start_update(struct ubi_device *ubi, int vol_id, long long bytes); @@ -435,16 +435,17 @@ void ubi_gluebi_updated(struct ubi_volume *vol); #endif /* eba.c */ -int ubi_eba_unmap_leb(struct ubi_device *ubi, int vol_id, int lnum); -int ubi_eba_read_leb(struct ubi_device *ubi, int vol_id, int lnum, void *buf, - int offset, int len, int check); -int ubi_eba_write_leb(struct ubi_device *ubi, int vol_id, int lnum, +int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol, + int lnum); +int ubi_eba_read_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, + void *buf, int offset, int len, int check); +int ubi_eba_write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, const void *buf, int offset, int len, int dtype); -int ubi_eba_write_leb_st(struct ubi_device *ubi, int vol_id, int lnum, - const void *buf, int len, int dtype, +int ubi_eba_write_leb_st(struct ubi_device *ubi, struct ubi_volume *vol, + int lnum, const void *buf, int len, int dtype, int used_ebs); -int ubi_eba_atomic_leb_change(struct ubi_device *ubi, int vol_id, int lnum, - const void *buf, int len, int dtype); +int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol, + int lnum, const void *buf, int len, int dtype); int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, struct ubi_vid_hdr *vid_hdr); int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_scan_info *si); diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c index 0efc586a832..a95dcaa4a0c 100644 --- a/drivers/mtd/ubi/upd.c +++ b/drivers/mtd/ubi/upd.c @@ -136,7 +136,7 @@ int ubi_start_update(struct ubi_device *ubi, int vol_id, long long bytes) /* Before updating - wipe out the volume */ for (i = 0; i < vol->reserved_pebs; i++) { - err = ubi_eba_unmap_leb(ubi, vol_id, i); + err = ubi_eba_unmap_leb(ubi, vol, i); if (err) return err; } @@ -209,8 +209,7 @@ static int write_leb(struct ubi_device *ubi, int vol_id, int lnum, void *buf, if (len != l) dbg_msg("skip last %d bytes (0xFF)", len - l); - err = ubi_eba_write_leb(ubi, vol_id, lnum, buf, 0, l, - UBI_UNKNOWN); + err = ubi_eba_write_leb(ubi, vol, lnum, buf, 0, l, UBI_UNKNOWN); } else { /* * When writing static volume, and this is the last logical @@ -222,7 +221,7 @@ static int write_leb(struct ubi_device *ubi, int vol_id, int lnum, void *buf, * contain zeros, not random trash. */ memset(buf + len, 0, vol->usable_leb_size - len); - err = ubi_eba_write_leb_st(ubi, vol_id, lnum, buf, len, + err = ubi_eba_write_leb_st(ubi, vol, lnum, buf, len, UBI_UNKNOWN, used_ebs); } diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c index 787ce9ec17a..d2d12deead5 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -417,7 +417,7 @@ int ubi_remove_volume(struct ubi_volume_desc *desc) return err; for (i = 0; i < vol->reserved_pebs; i++) { - err = ubi_eba_unmap_leb(ubi, vol_id, i); + err = ubi_eba_unmap_leb(ubi, vol, i); if (err) return err; } @@ -524,7 +524,7 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs) if (pebs < 0) { for (i = 0; i < -pebs; i++) { - err = ubi_eba_unmap_leb(ubi, vol_id, reserved_pebs + i); + err = ubi_eba_unmap_leb(ubi, vol, reserved_pebs + i); if (err) goto out_acc; } @@ -573,17 +573,16 @@ out_free: /** * ubi_add_volume - add volume. * @ubi: UBI device description object - * @vol_id: volume ID + * @vol: volume description object * * This function adds an existin volume and initializes all its data * structures. Returnes zero in case of success and a negative error code in * case of failure. */ -int ubi_add_volume(struct ubi_device *ubi, int vol_id) +int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) { - int err; + int err, vol_id = vol->vol_id; dev_t dev; - struct ubi_volume *vol = ubi->volumes[vol_id]; dbg_msg("add volume %d", vol_id); ubi_dbg_dump_vol_info(vol); @@ -634,22 +633,21 @@ out_cdev: /** * ubi_free_volume - free volume. * @ubi: UBI device description object - * @vol_id: volume ID + * @vol: volume description object * - * This function frees all resources for volume @vol_id but does not remove it. + * This function frees all resources for volume @vol but does not remove it. * Used only when the UBI device is detached. */ -void ubi_free_volume(struct ubi_device *ubi, int vol_id) +void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol) { int err; - struct ubi_volume *vol = ubi->volumes[vol_id]; - dbg_msg("free volume %d", vol_id); + dbg_msg("free volume %d", vol->vol_id); ubi_assert(vol); vol->removed = 1; err = ubi_destroy_gluebi(vol); - ubi->volumes[vol_id] = NULL; + ubi->volumes[vol->vol_id] = NULL; cdev_del(&vol->cdev); volume_sysfs_close(vol); } diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index 25b3bd61c7e..3349c281bf9 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -86,8 +86,10 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx, { int i, err; uint32_t crc; + struct ubi_volume *layout_vol; ubi_assert(idx >= 0 && idx < ubi->vtbl_slots); + layout_vol = ubi->volumes[vol_id2idx(UBI_LAYOUT_VOL_ID)]; if (!vtbl_rec) vtbl_rec = &empty_vtbl_record; @@ -99,12 +101,12 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx, mutex_lock(&ubi->vtbl_mutex); memcpy(&ubi->vtbl[idx], vtbl_rec, sizeof(struct ubi_vtbl_record)); for (i = 0; i < UBI_LAYOUT_VOLUME_EBS; i++) { - err = ubi_eba_unmap_leb(ubi, UBI_LAYOUT_VOL_ID, i); + err = ubi_eba_unmap_leb(ubi, layout_vol, i); if (err) { mutex_unlock(&ubi->vtbl_mutex); return err; } - err = ubi_eba_write_leb(ubi, UBI_LAYOUT_VOL_ID, i, ubi->vtbl, 0, + err = ubi_eba_write_leb(ubi, layout_vol, i, ubi->vtbl, 0, ubi->vtbl_size, UBI_LONGTERM); if (err) { mutex_unlock(&ubi->vtbl_mutex); |