From a4e6042f1d073073f88e0ad6d2a7450da9a3937d Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Thu, 17 May 2012 13:09:08 +0300 Subject: [PATCH] UBI: rename si to ai After re-naming the 'struct ubi_scan_info' we should adjust all variables named 'si' to something else, because 'si' stands for "scanning info". Let's rename it to 'ai' which stands for "attaching info" which is a bit more consistent and has the same length, which makes re-naming easy. Signed-off-by: Artem Bityutskiy --- drivers/mtd/ubi/build.c | 32 ++-- drivers/mtd/ubi/debug.c | 4 +- drivers/mtd/ubi/eba.c | 18 +-- drivers/mtd/ubi/scan.c | 346 ++++++++++++++++++++-------------------- drivers/mtd/ubi/scan.h | 14 +- drivers/mtd/ubi/ubi.h | 6 +- drivers/mtd/ubi/vtbl.c | 86 +++++----- drivers/mtd/ubi/wl.c | 14 +- 8 files changed, 260 insertions(+), 260 deletions(-) diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 4e715df8bd00..1ae3cfa30809 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -583,32 +583,32 @@ static void free_internal_volumes(struct ubi_device *ubi) static int attach_by_scanning(struct ubi_device *ubi) { int err; - struct ubi_attach_info *si; + struct ubi_attach_info *ai; - si = ubi_scan(ubi); - if (IS_ERR(si)) - return PTR_ERR(si); + ai = ubi_scan(ubi); + if (IS_ERR(ai)) + return PTR_ERR(ai); - ubi->bad_peb_count = si->bad_peb_count; + ubi->bad_peb_count = ai->bad_peb_count; ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count; - ubi->corr_peb_count = si->corr_peb_count; - ubi->max_ec = si->max_ec; - ubi->mean_ec = si->mean_ec; - ubi_msg("max. sequence number: %llu", si->max_sqnum); + ubi->corr_peb_count = ai->corr_peb_count; + ubi->max_ec = ai->max_ec; + ubi->mean_ec = ai->mean_ec; + ubi_msg("max. sequence number: %llu", ai->max_sqnum); - err = ubi_read_volume_table(ubi, si); + err = ubi_read_volume_table(ubi, ai); if (err) - goto out_si; + goto out_ai; - err = ubi_wl_init_scan(ubi, si); + err = ubi_wl_init_scan(ubi, ai); if (err) goto out_vtbl; - err = ubi_eba_init_scan(ubi, si); + err = ubi_eba_init_scan(ubi, ai); if (err) goto out_wl; - ubi_scan_destroy_si(si); + ubi_scan_destroy_ai(ai); return 0; out_wl: @@ -616,8 +616,8 @@ out_wl: out_vtbl: free_internal_volumes(ubi); vfree(ubi->vtbl); -out_si: - ubi_scan_destroy_si(si); +out_ai: + ubi_scan_destroy_ai(ai); return err; } diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index e73b1fef897d..84362a802999 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -176,7 +176,7 @@ void ubi_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx) */ void ubi_dump_sv(const struct ubi_ainf_volume *sv) { - printk(KERN_DEBUG "Volume scanning information dump:\n"); + printk(KERN_DEBUG "Volume attaching information dump:\n"); printk(KERN_DEBUG "\tvol_id %d\n", sv->vol_id); printk(KERN_DEBUG "\thighest_lnum %d\n", sv->highest_lnum); printk(KERN_DEBUG "\tleb_count %d\n", sv->leb_count); @@ -194,7 +194,7 @@ void ubi_dump_sv(const struct ubi_ainf_volume *sv) */ void ubi_dump_aeb(const struct ubi_ainf_peb *aeb, int type) { - printk(KERN_DEBUG "eraseblock scanning information dump:\n"); + printk(KERN_DEBUG "eraseblock attaching information dump:\n"); printk(KERN_DEBUG "\tec %d\n", aeb->ec); printk(KERN_DEBUG "\tpnum %d\n", aeb->pnum); if (type == 0) { diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 25095026617d..320372715405 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -1182,13 +1182,13 @@ out_unlock_leb: * reported by real users. */ static void print_rsvd_warning(struct ubi_device *ubi, - struct ubi_attach_info *si) + struct ubi_attach_info *ai) { /* * The 1 << 18 (256KiB) number is picked randomly, just a reasonably * large number to distinguish between newly flashed and used images. */ - if (si->max_sqnum > (1 << 18)) { + if (ai->max_sqnum > (1 << 18)) { int min = ubi->beb_rsvd_level / 10; if (!min) @@ -1205,14 +1205,14 @@ static void print_rsvd_warning(struct ubi_device *ubi, } /** - * ubi_eba_init_scan - initialize the EBA sub-system using scanning information. + * ubi_eba_init_scan - initialize the EBA sub-system using attaching information. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * * This function returns zero in case of success and a negative error code in * case of failure. */ -int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) +int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *ai) { int i, j, err, num_volumes; struct ubi_ainf_volume *sv; @@ -1226,7 +1226,7 @@ int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) mutex_init(&ubi->alc_mutex); ubi->ltree = RB_ROOT; - ubi->global_sqnum = si->max_sqnum + 1; + ubi->global_sqnum = ai->max_sqnum + 1; num_volumes = ubi->vtbl_slots + UBI_INT_VOL_COUNT; for (i = 0; i < num_volumes; i++) { @@ -1246,7 +1246,7 @@ int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) for (j = 0; j < vol->reserved_pebs; j++) vol->eba_tbl[j] = UBI_LEB_UNMAPPED; - sv = ubi_scan_find_sv(si, idx2vol_id(ubi, i)); + sv = ubi_scan_find_sv(ai, idx2vol_id(ubi, i)); if (!sv) continue; @@ -1256,7 +1256,7 @@ int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) * This may happen in case of an unclean reboot * during re-size. */ - ubi_scan_move_to_list(sv, aeb, &si->erase); + ubi_scan_move_to_list(sv, aeb, &ai->erase); vol->eba_tbl[aeb->lnum] = aeb->pnum; } } @@ -1279,7 +1279,7 @@ int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) if (ubi->avail_pebs < ubi->beb_rsvd_level) { /* No enough free physical eraseblocks */ ubi->beb_rsvd_pebs = ubi->avail_pebs; - print_rsvd_warning(ubi, si); + print_rsvd_warning(ubi, ai); } else ubi->beb_rsvd_pebs = ubi->beb_rsvd_level; diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index c53ef5d9b134..4145a042c8e1 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -24,10 +24,10 @@ * This sub-system is responsible for scanning the flash media, checking UBI * headers and providing complete information about the UBI flash image. * - * The scanning information is represented by a &struct ubi_attach_info' object. - * Information about found volumes is represented by &struct ubi_ainf_volume - * objects which are kept in volume RB-tree with root at the @volumes field. - * The RB-tree is indexed by the volume ID. + * The attaching information is represented by a &struct ubi_attach_info' + * object. Information about found volumes is represented by + * &struct ubi_ainf_volume objects which are kept in volume RB-tree with root + * at the @volumes field. The RB-tree is indexed by the volume ID. * * Scanned logical eraseblocks are represented by &struct ubi_ainf_peb objects. * These objects are kept in per-volume RB-trees with the root at the @@ -88,7 +88,7 @@ #include #include "ubi.h" -static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si); +static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai); /* Temporary variables used during scanning */ static struct ubi_ec_hdr *ech; @@ -96,7 +96,7 @@ static struct ubi_vid_hdr *vidh; /** * add_to_list - add physical eraseblock to a list. - * @si: scanning information + * @ai: attaching information * @pnum: physical eraseblock number to add * @ec: erase counter of the physical eraseblock * @to_head: if not zero, add to the head of the list @@ -110,22 +110,22 @@ static struct ubi_vid_hdr *vidh; * returns zero in case of success and a negative error code in case of * failure. */ -static int add_to_list(struct ubi_attach_info *si, int pnum, int ec, +static int add_to_list(struct ubi_attach_info *ai, int pnum, int ec, int to_head, struct list_head *list) { struct ubi_ainf_peb *aeb; - if (list == &si->free) { + if (list == &ai->free) { dbg_bld("add to free: PEB %d, EC %d", pnum, ec); - } else if (list == &si->erase) { + } else if (list == &ai->erase) { dbg_bld("add to erase: PEB %d, EC %d", pnum, ec); - } else if (list == &si->alien) { + } else if (list == &ai->alien) { dbg_bld("add to alien: PEB %d, EC %d", pnum, ec); - si->alien_peb_count += 1; + ai->alien_peb_count += 1; } else BUG(); - aeb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL); + aeb = kmem_cache_alloc(ai->scan_leb_slab, GFP_KERNEL); if (!aeb) return -ENOMEM; @@ -140,7 +140,7 @@ static int add_to_list(struct ubi_attach_info *si, int pnum, int ec, /** * add_corrupted - add a corrupted physical eraseblock. - * @si: scanning information + * @ai: attaching information * @pnum: physical eraseblock number to add * @ec: erase counter of the physical eraseblock * @@ -148,20 +148,20 @@ static int add_to_list(struct ubi_attach_info *si, int pnum, int ec, * The corruption was presumably not caused by a power cut. Returns zero in * case of success and a negative error code in case of failure. */ -static int add_corrupted(struct ubi_attach_info *si, int pnum, int ec) +static int add_corrupted(struct ubi_attach_info *ai, int pnum, int ec) { struct ubi_ainf_peb *aeb; dbg_bld("add to corrupted: PEB %d, EC %d", pnum, ec); - aeb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL); + aeb = kmem_cache_alloc(ai->scan_leb_slab, GFP_KERNEL); if (!aeb) return -ENOMEM; - si->corr_peb_count += 1; + ai->corr_peb_count += 1; aeb->pnum = pnum; aeb->ec = ec; - list_add(&aeb->u.list, &si->corr); + list_add(&aeb->u.list, &ai->corr); return 0; } @@ -232,24 +232,24 @@ bad: } /** - * add_volume - add volume to the scanning information. - * @si: scanning information + * add_volume - add volume to the attaching information. + * @ai: attaching information * @vol_id: ID of the volume to add * @pnum: physical eraseblock number * @vid_hdr: volume identifier header * * If the volume corresponding to the @vid_hdr logical eraseblock is already - * present in the scanning information, this function does nothing. Otherwise - * it adds corresponding volume to the scanning information. Returns a pointer + * present in the attaching information, this function does nothing. Otherwise + * it adds corresponding volume to the attaching information. Returns a pointer * to the scanning volume object in case of success and a negative error code * in case of failure. */ -static struct ubi_ainf_volume *add_volume(struct ubi_attach_info *si, +static struct ubi_ainf_volume *add_volume(struct ubi_attach_info *ai, int vol_id, int pnum, const struct ubi_vid_hdr *vid_hdr) { struct ubi_ainf_volume *sv; - struct rb_node **p = &si->volumes.rb_node, *parent = NULL; + struct rb_node **p = &ai->volumes.rb_node, *parent = NULL; ubi_assert(vol_id == be32_to_cpu(vid_hdr->vol_id)); @@ -280,12 +280,12 @@ static struct ubi_ainf_volume *add_volume(struct ubi_attach_info *si, sv->compat = vid_hdr->compat; sv->vol_type = vid_hdr->vol_type == UBI_VID_DYNAMIC ? UBI_DYNAMIC_VOLUME : UBI_STATIC_VOLUME; - if (vol_id > si->highest_vol_id) - si->highest_vol_id = vol_id; + if (vol_id > ai->highest_vol_id) + ai->highest_vol_id = vol_id; rb_link_node(&sv->rb, parent, p); - rb_insert_color(&sv->rb, &si->volumes); - si->vols_found += 1; + rb_insert_color(&sv->rb, &ai->volumes); + ai->vols_found += 1; dbg_bld("added volume %d", vol_id); return sv; } @@ -425,9 +425,9 @@ out_free_vidh: } /** - * ubi_scan_add_used - add physical eraseblock to the scanning information. + * ubi_scan_add_used - add physical eraseblock to the attaching information. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * @pnum: the physical eraseblock number * @ec: erase counter * @vid_hdr: the volume identifier header @@ -440,7 +440,7 @@ out_free_vidh: * to be picked, while the older one has to be dropped. This function returns * zero in case of success and a negative error code in case of failure. */ -int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *si, +int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum, int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips) { @@ -457,12 +457,12 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *si, dbg_bld("PEB %d, LEB %d:%d, EC %d, sqnum %llu, bitflips %d", pnum, vol_id, lnum, ec, sqnum, bitflips); - sv = add_volume(si, vol_id, pnum, vid_hdr); + sv = add_volume(ai, vol_id, pnum, vid_hdr); if (IS_ERR(sv)) return PTR_ERR(sv); - if (si->max_sqnum < sqnum) - si->max_sqnum = sqnum; + if (ai->max_sqnum < sqnum) + ai->max_sqnum = sqnum; /* * Walk the RB-tree of logical eraseblocks of volume @vol_id to look @@ -528,8 +528,8 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *si, if (err) return err; - err = add_to_list(si, aeb->pnum, aeb->ec, cmp_res & 4, - &si->erase); + err = add_to_list(ai, aeb->pnum, aeb->ec, cmp_res & 4, + &ai->erase); if (err) return err; @@ -549,21 +549,21 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *si, * This logical eraseblock is older than the one found * previously. */ - return add_to_list(si, pnum, ec, cmp_res & 4, - &si->erase); + return add_to_list(ai, pnum, ec, cmp_res & 4, + &ai->erase); } } /* * We've met this logical eraseblock for the first time, add it to the - * scanning information. + * attaching information. */ err = validate_vid_hdr(vid_hdr, sv, pnum); if (err) return err; - aeb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL); + aeb = kmem_cache_alloc(ai->scan_leb_slab, GFP_KERNEL); if (!aeb) return -ENOMEM; @@ -586,18 +586,18 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *si, } /** - * ubi_scan_find_sv - find volume in the scanning information. - * @si: scanning information + * ubi_scan_find_sv - find volume in the attaching information. + * @ai: attaching information * @vol_id: the requested volume ID * * This function returns a pointer to the volume description or %NULL if there - * are no data about this volume in the scanning information. + * are no data about this volume in the attaching information. */ -struct ubi_ainf_volume *ubi_scan_find_sv(const struct ubi_attach_info *si, +struct ubi_ainf_volume *ubi_scan_find_sv(const struct ubi_attach_info *ai, int vol_id) { struct ubi_ainf_volume *sv; - struct rb_node *p = si->volumes.rb_node; + struct rb_node *p = ai->volumes.rb_node; while (p) { sv = rb_entry(p, struct ubi_ainf_volume, rb); @@ -615,8 +615,8 @@ struct ubi_ainf_volume *ubi_scan_find_sv(const struct ubi_attach_info *si, } /** - * ubi_scan_find_aeb - find LEB in the volume scanning information. - * @sv: a pointer to the volume scanning information + * ubi_scan_find_aeb - find LEB in the volume attaching information. + * @sv: a pointer to the volume attaching information * @lnum: the requested logical eraseblock * * This function returns a pointer to the scanning logical eraseblock or %NULL @@ -644,32 +644,32 @@ struct ubi_ainf_peb *ubi_scan_find_aeb(const struct ubi_ainf_volume *sv, } /** - * ubi_scan_rm_volume - delete scanning information about a volume. - * @si: scanning information - * @sv: the volume scanning information to delete + * ubi_scan_rm_volume - delete attaching information about a volume. + * @ai: attaching information + * @sv: the volume attaching information to delete */ -void ubi_scan_rm_volume(struct ubi_attach_info *si, struct ubi_ainf_volume *sv) +void ubi_scan_rm_volume(struct ubi_attach_info *ai, struct ubi_ainf_volume *sv) { struct rb_node *rb; struct ubi_ainf_peb *aeb; - dbg_bld("remove scanning information about volume %d", sv->vol_id); + dbg_bld("remove attaching information about volume %d", sv->vol_id); while ((rb = rb_first(&sv->root))) { aeb = rb_entry(rb, struct ubi_ainf_peb, u.rb); rb_erase(&aeb->u.rb, &sv->root); - list_add_tail(&aeb->u.list, &si->erase); + list_add_tail(&aeb->u.list, &ai->erase); } - rb_erase(&sv->rb, &si->volumes); + rb_erase(&sv->rb, &ai->volumes); kfree(sv); - si->vols_found -= 1; + ai->vols_found -= 1; } /** * ubi_scan_erase_peb - erase a physical eraseblock. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * @pnum: physical eraseblock number to erase; * @ec: erase counter value to write (%UBI_SCAN_UNKNOWN_EC if it is unknown) * @@ -679,7 +679,7 @@ void ubi_scan_rm_volume(struct ubi_attach_info *si, struct ubi_ainf_volume *sv) * This function returns zero in case of success and a negative error code in * case of failure. */ -int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_attach_info *si, +int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_attach_info *ai, int pnum, int ec) { int err; @@ -714,7 +714,7 @@ out_free: /** * ubi_scan_get_free_peb - get a free physical eraseblock. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * * This function returns a free physical eraseblock. It is supposed to be * called on the UBI initialization stages when the wear-leveling sub-system is @@ -726,13 +726,13 @@ out_free: * success and an error code in case of failure. */ struct ubi_ainf_peb *ubi_scan_get_free_peb(struct ubi_device *ubi, - struct ubi_attach_info *si) + struct ubi_attach_info *ai) { int err = 0; struct ubi_ainf_peb *aeb, *tmp_aeb; - if (!list_empty(&si->free)) { - aeb = list_entry(si->free.next, struct ubi_ainf_peb, u.list); + if (!list_empty(&ai->free)) { + aeb = list_entry(ai->free.next, struct ubi_ainf_peb, u.list); list_del(&aeb->u.list); dbg_bld("return free PEB %d, EC %d", aeb->pnum, aeb->ec); return aeb; @@ -744,11 +744,11 @@ struct ubi_ainf_peb *ubi_scan_get_free_peb(struct ubi_device *ubi, * so forth. We don't want to take care about bad eraseblocks here - * they'll be handled later. */ - list_for_each_entry_safe(aeb, tmp_aeb, &si->erase, u.list) { + list_for_each_entry_safe(aeb, tmp_aeb, &ai->erase, u.list) { if (aeb->ec == UBI_SCAN_UNKNOWN_EC) - aeb->ec = si->mean_ec; + aeb->ec = ai->mean_ec; - err = ubi_scan_erase_peb(ubi, si, aeb->pnum, aeb->ec+1); + err = ubi_scan_erase_peb(ubi, ai, aeb->pnum, aeb->ec+1); if (err) continue; @@ -823,15 +823,15 @@ out_unlock: } /** - * process_eb - read, check UBI headers, and add them to scanning information. + * process_eb - read, check UBI headers, and add them to attaching information. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * @pnum: the physical eraseblock number * * This function returns a zero if the physical eraseblock was successfully * handled and a negative error code in case of failure. */ -static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, +static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum) { long long uninitialized_var(ec); @@ -849,7 +849,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, * initialize this, but MTD does not provide enough * information. */ - si->bad_peb_count += 1; + ai->bad_peb_count += 1; return 0; } @@ -863,13 +863,13 @@ static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, bitflips = 1; break; case UBI_IO_FF: - si->empty_peb_count += 1; - return add_to_list(si, pnum, UBI_SCAN_UNKNOWN_EC, 0, - &si->erase); + ai->empty_peb_count += 1; + return add_to_list(ai, pnum, UBI_SCAN_UNKNOWN_EC, 0, + &ai->erase); case UBI_IO_FF_BITFLIPS: - si->empty_peb_count += 1; - return add_to_list(si, pnum, UBI_SCAN_UNKNOWN_EC, 1, - &si->erase); + ai->empty_peb_count += 1; + return add_to_list(ai, pnum, UBI_SCAN_UNKNOWN_EC, 1, + &ai->erase); case UBI_IO_BAD_HDR_EBADMSG: case UBI_IO_BAD_HDR: /* @@ -953,7 +953,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, * PEB, bit it is not marked as bad yet. This may also * be a result of power cut during erasure. */ - si->maybe_bad_peb_count += 1; + ai->maybe_bad_peb_count += 1; case UBI_IO_BAD_HDR: if (ec_err) /* @@ -980,23 +980,23 @@ static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, return err; else if (!err) /* This corruption is caused by a power cut */ - err = add_to_list(si, pnum, ec, 1, &si->erase); + err = add_to_list(ai, pnum, ec, 1, &ai->erase); else /* This is an unexpected corruption */ - err = add_corrupted(si, pnum, ec); + err = add_corrupted(ai, pnum, ec); if (err) return err; goto adjust_mean_ec; case UBI_IO_FF_BITFLIPS: - err = add_to_list(si, pnum, ec, 1, &si->erase); + err = add_to_list(ai, pnum, ec, 1, &ai->erase); if (err) return err; goto adjust_mean_ec; case UBI_IO_FF: if (ec_err) - err = add_to_list(si, pnum, ec, 1, &si->erase); + err = add_to_list(ai, pnum, ec, 1, &ai->erase); else - err = add_to_list(si, pnum, ec, 0, &si->free); + err = add_to_list(ai, pnum, ec, 0, &ai->free); if (err) return err; goto adjust_mean_ec; @@ -1015,7 +1015,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, case UBI_COMPAT_DELETE: ubi_msg("\"delete\" compatible internal volume %d:%d" " found, will remove it", vol_id, lnum); - err = add_to_list(si, pnum, ec, 1, &si->erase); + err = add_to_list(ai, pnum, ec, 1, &ai->erase); if (err) return err; return 0; @@ -1030,7 +1030,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, case UBI_COMPAT_PRESERVE: ubi_msg("\"preserve\" compatible internal volume %d:%d" " found", vol_id, lnum); - err = add_to_list(si, pnum, ec, 0, &si->alien); + err = add_to_list(ai, pnum, ec, 0, &ai->alien); if (err) return err; return 0; @@ -1045,18 +1045,18 @@ static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si, if (ec_err) ubi_warn("valid VID header but corrupted EC header at PEB %d", pnum); - err = ubi_scan_add_used(ubi, si, pnum, ec, vidh, bitflips); + err = ubi_scan_add_used(ubi, ai, pnum, ec, vidh, bitflips); if (err) return err; adjust_mean_ec: if (!ec_err) { - si->ec_sum += ec; - si->ec_count += 1; - if (ec > si->max_ec) - si->max_ec = ec; - if (ec < si->min_ec) - si->min_ec = ec; + ai->ec_sum += ec; + ai->ec_count += 1; + if (ec > ai->max_ec) + ai->max_ec = ec; + if (ec < ai->min_ec) + ai->min_ec = ec; } return 0; @@ -1065,7 +1065,7 @@ adjust_mean_ec: /** * check_what_we_have - check what PEB were found by scanning. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * * This is a helper function which takes a look what PEBs were found by * scanning, and decides whether the flash is empty and should be formatted and @@ -1074,12 +1074,12 @@ adjust_mean_ec: * and %-EINVAL if we should not. */ static int check_what_we_have(struct ubi_device *ubi, - struct ubi_attach_info *si) + struct ubi_attach_info *ai) { struct ubi_ainf_peb *aeb; int max_corr, peb_count; - peb_count = ubi->peb_count - si->bad_peb_count - si->alien_peb_count; + peb_count = ubi->peb_count - ai->bad_peb_count - ai->alien_peb_count; max_corr = peb_count / 20 ?: 8; /* @@ -1087,11 +1087,11 @@ static int check_what_we_have(struct ubi_device *ubi, * unclean reboots. However, many of them may indicate some problems * with the flash HW or driver. */ - if (si->corr_peb_count) { + if (ai->corr_peb_count) { ubi_err("%d PEBs are corrupted and preserved", - si->corr_peb_count); + ai->corr_peb_count); printk(KERN_ERR "Corrupted PEBs are:"); - list_for_each_entry(aeb, &si->corr, u.list) + list_for_each_entry(aeb, &ai->corr, u.list) printk(KERN_CONT " %d", aeb->pnum); printk(KERN_CONT "\n"); @@ -1099,13 +1099,13 @@ static int check_what_we_have(struct ubi_device *ubi, * If too many PEBs are corrupted, we refuse attaching, * otherwise, only print a warning. */ - if (si->corr_peb_count >= max_corr) { + if (ai->corr_peb_count >= max_corr) { ubi_err("too many corrupted PEBs, refusing"); return -EINVAL; } } - if (si->empty_peb_count + si->maybe_bad_peb_count == peb_count) { + if (ai->empty_peb_count + ai->maybe_bad_peb_count == peb_count) { /* * All PEBs are empty, or almost all - a couple PEBs look like * they may be bad PEBs which were not marked as bad yet. @@ -1121,8 +1121,8 @@ static int check_what_we_have(struct ubi_device *ubi, * 2. Flash contains non-UBI data and we do not want to format * it and destroy possibly important information. */ - if (si->maybe_bad_peb_count <= 2) { - si->is_empty = 1; + if (ai->maybe_bad_peb_count <= 2) { + ai->is_empty = 1; ubi_msg("empty MTD device detected"); get_random_bytes(&ubi->image_seq, sizeof(ubi->image_seq)); @@ -1150,28 +1150,28 @@ struct ubi_attach_info *ubi_scan(struct ubi_device *ubi) struct rb_node *rb1, *rb2; struct ubi_ainf_volume *sv; struct ubi_ainf_peb *aeb; - struct ubi_attach_info *si; + struct ubi_attach_info *ai; - si = kzalloc(sizeof(struct ubi_attach_info), GFP_KERNEL); - if (!si) + ai = kzalloc(sizeof(struct ubi_attach_info), GFP_KERNEL); + if (!ai) return ERR_PTR(-ENOMEM); - INIT_LIST_HEAD(&si->corr); - INIT_LIST_HEAD(&si->free); - INIT_LIST_HEAD(&si->erase); - INIT_LIST_HEAD(&si->alien); - si->volumes = RB_ROOT; + INIT_LIST_HEAD(&ai->corr); + INIT_LIST_HEAD(&ai->free); + INIT_LIST_HEAD(&ai->erase); + INIT_LIST_HEAD(&ai->alien); + ai->volumes = RB_ROOT; err = -ENOMEM; - si->scan_leb_slab = kmem_cache_create("ubi_scan_leb_slab", + ai->scan_leb_slab = kmem_cache_create("ubi_scan_leb_slab", sizeof(struct ubi_ainf_peb), 0, 0, NULL); - if (!si->scan_leb_slab) - goto out_si; + if (!ai->scan_leb_slab) + goto out_ai; ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); if (!ech) - goto out_si; + goto out_ai; vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); if (!vidh) @@ -1181,7 +1181,7 @@ struct ubi_attach_info *ubi_scan(struct ubi_device *ubi) cond_resched(); dbg_gen("process PEB %d", pnum); - err = process_eb(ubi, si, pnum); + err = process_eb(ubi, ai, pnum); if (err < 0) goto out_vidh; } @@ -1189,10 +1189,10 @@ struct ubi_attach_info *ubi_scan(struct ubi_device *ubi) dbg_msg("scanning is finished"); /* Calculate mean erase counter */ - if (si->ec_count) - si->mean_ec = div_u64(si->ec_sum, si->ec_count); + if (ai->ec_count) + ai->mean_ec = div_u64(ai->ec_sum, ai->ec_count); - err = check_what_we_have(ubi, si); + err = check_what_we_have(ubi, ai); if (err) goto out_vidh; @@ -1200,52 +1200,52 @@ struct ubi_attach_info *ubi_scan(struct ubi_device *ubi) * In case of unknown erase counter we use the mean erase counter * value. */ - ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb) { + ubi_rb_for_each_entry(rb1, sv, &ai->volumes, rb) { ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb) if (aeb->ec == UBI_SCAN_UNKNOWN_EC) - aeb->ec = si->mean_ec; + aeb->ec = ai->mean_ec; } - list_for_each_entry(aeb, &si->free, u.list) { + list_for_each_entry(aeb, &ai->free, u.list) { if (aeb->ec == UBI_SCAN_UNKNOWN_EC) - aeb->ec = si->mean_ec; + aeb->ec = ai->mean_ec; } - list_for_each_entry(aeb, &si->corr, u.list) + list_for_each_entry(aeb, &ai->corr, u.list) if (aeb->ec == UBI_SCAN_UNKNOWN_EC) - aeb->ec = si->mean_ec; + aeb->ec = ai->mean_ec; - list_for_each_entry(aeb, &si->erase, u.list) + list_for_each_entry(aeb, &ai->erase, u.list) if (aeb->ec == UBI_SCAN_UNKNOWN_EC) - aeb->ec = si->mean_ec; + aeb->ec = ai->mean_ec; - err = self_check_si(ubi, si); + err = self_check_ai(ubi, ai); if (err) goto out_vidh; ubi_free_vid_hdr(ubi, vidh); kfree(ech); - return si; + return ai; out_vidh: ubi_free_vid_hdr(ubi, vidh); out_ech: kfree(ech); -out_si: - ubi_scan_destroy_si(si); +out_ai: + ubi_scan_destroy_ai(ai); return ERR_PTR(err); } /** * destroy_sv - free the scanning volume information * @sv: scanning volume information - * @si: scanning information + * @ai: attaching information * * This function destroys the volume RB-tree (@sv->root) and the scanning * volume information. */ -static void destroy_sv(struct ubi_attach_info *si, struct ubi_ainf_volume *sv) +static void destroy_sv(struct ubi_attach_info *ai, struct ubi_ainf_volume *sv) { struct ubi_ainf_peb *aeb; struct rb_node *this = sv->root.rb_node; @@ -1265,41 +1265,41 @@ static void destroy_sv(struct ubi_attach_info *si, struct ubi_ainf_volume *sv) this->rb_right = NULL; } - kmem_cache_free(si->scan_leb_slab, aeb); + kmem_cache_free(ai->scan_leb_slab, aeb); } } kfree(sv); } /** - * ubi_scan_destroy_si - destroy scanning information. - * @si: scanning information + * ubi_scan_destroy_ai - destroy attaching information. + * @ai: attaching information */ -void ubi_scan_destroy_si(struct ubi_attach_info *si) +void ubi_scan_destroy_ai(struct ubi_attach_info *ai) { struct ubi_ainf_peb *aeb, *aeb_tmp; struct ubi_ainf_volume *sv; struct rb_node *rb; - list_for_each_entry_safe(aeb, aeb_tmp, &si->alien, u.list) { + list_for_each_entry_safe(aeb, aeb_tmp, &ai->alien, u.list) { list_del(&aeb->u.list); - kmem_cache_free(si->scan_leb_slab, aeb); + kmem_cache_free(ai->scan_leb_slab, aeb); } - list_for_each_entry_safe(aeb, aeb_tmp, &si->erase, u.list) { + list_for_each_entry_safe(aeb, aeb_tmp, &ai->erase, u.list) { list_del(&aeb->u.list); - kmem_cache_free(si->scan_leb_slab, aeb); + kmem_cache_free(ai->scan_leb_slab, aeb); } - list_for_each_entry_safe(aeb, aeb_tmp, &si->corr, u.list) { + list_for_each_entry_safe(aeb, aeb_tmp, &ai->corr, u.list) { list_del(&aeb->u.list); - kmem_cache_free(si->scan_leb_slab, aeb); + kmem_cache_free(ai->scan_leb_slab, aeb); } - list_for_each_entry_safe(aeb, aeb_tmp, &si->free, u.list) { + list_for_each_entry_safe(aeb, aeb_tmp, &ai->free, u.list) { list_del(&aeb->u.list); - kmem_cache_free(si->scan_leb_slab, aeb); + kmem_cache_free(ai->scan_leb_slab, aeb); } /* Destroy the volume RB-tree */ - rb = si->volumes.rb_node; + rb = ai->volumes.rb_node; while (rb) { if (rb->rb_left) rb = rb->rb_left; @@ -1316,25 +1316,25 @@ void ubi_scan_destroy_si(struct ubi_attach_info *si) rb->rb_right = NULL; } - destroy_sv(si, sv); + destroy_sv(ai, sv); } } - if (si->scan_leb_slab) - kmem_cache_destroy(si->scan_leb_slab); + if (ai->scan_leb_slab) + kmem_cache_destroy(ai->scan_leb_slab); - kfree(si); + kfree(ai); } /** - * self_check_si - check the scanning information. + * self_check_ai - check the attaching information. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * - * This function returns zero if the scanning information is all right, and a + * This function returns zero if the attaching information is all right, and a * negative error code if not or if an error occurred. */ -static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si) +static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai) { int pnum, err, vols_found = 0; struct rb_node *rb1, *rb2; @@ -1346,16 +1346,16 @@ static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si) return 0; /* - * At first, check that scanning information is OK. + * At first, check that attaching information is OK. */ - ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb) { + ubi_rb_for_each_entry(rb1, sv, &ai->volumes, rb) { int leb_count = 0; cond_resched(); vols_found += 1; - if (si->is_empty) { + if (ai->is_empty) { ubi_err("bad is_empty flag"); goto bad_sv; } @@ -1373,9 +1373,9 @@ static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si) goto bad_sv; } - if (sv->vol_id > si->highest_vol_id) { + if (sv->vol_id > ai->highest_vol_id) { ubi_err("highest_vol_id is %d, but vol_id %d is there", - si->highest_vol_id, sv->vol_id); + ai->highest_vol_id, sv->vol_id); goto out; } @@ -1402,15 +1402,15 @@ static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si) goto bad_aeb; } - if (aeb->ec < si->min_ec) { - ubi_err("bad si->min_ec (%d), %d found", - si->min_ec, aeb->ec); + if (aeb->ec < ai->min_ec) { + ubi_err("bad ai->min_ec (%d), %d found", + ai->min_ec, aeb->ec); goto bad_aeb; } - if (aeb->ec > si->max_ec) { - ubi_err("bad si->max_ec (%d), %d found", - si->max_ec, aeb->ec); + if (aeb->ec > ai->max_ec) { + ubi_err("bad ai->max_ec (%d), %d found", + ai->max_ec, aeb->ec); goto bad_aeb; } @@ -1455,14 +1455,14 @@ static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si) } } - if (vols_found != si->vols_found) { - ubi_err("bad si->vols_found %d, should be %d", - si->vols_found, vols_found); + if (vols_found != ai->vols_found) { + ubi_err("bad ai->vols_found %d, should be %d", + ai->vols_found, vols_found); goto out; } - /* Check that scanning information is correct */ - ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb) { + /* Check that attaching information is correct */ + ubi_rb_for_each_entry(rb1, sv, &ai->volumes, rb) { last_aeb = NULL; ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb) { int vol_type; @@ -1548,20 +1548,20 @@ static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si) buf[pnum] = 1; } - ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb) + ubi_rb_for_each_entry(rb1, sv, &ai->volumes, rb) ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb) buf[aeb->pnum] = 1; - list_for_each_entry(aeb, &si->free, u.list) + list_for_each_entry(aeb, &ai->free, u.list) buf[aeb->pnum] = 1; - list_for_each_entry(aeb, &si->corr, u.list) + list_for_each_entry(aeb, &ai->corr, u.list) buf[aeb->pnum] = 1; - list_for_each_entry(aeb, &si->erase, u.list) + list_for_each_entry(aeb, &ai->erase, u.list) buf[aeb->pnum] = 1; - list_for_each_entry(aeb, &si->alien, u.list) + list_for_each_entry(aeb, &ai->alien, u.list) buf[aeb->pnum] = 1; err = 0; @@ -1577,18 +1577,18 @@ static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si) return 0; bad_aeb: - ubi_err("bad scanning information about LEB %d", aeb->lnum); + ubi_err("bad attaching information about LEB %d", aeb->lnum); ubi_dump_aeb(aeb, 0); ubi_dump_sv(sv); goto out; bad_sv: - ubi_err("bad scanning information about volume %d", sv->vol_id); + ubi_err("bad attaching information about volume %d", sv->vol_id); ubi_dump_sv(sv); goto out; bad_vid_hdr: - ubi_err("bad scanning information about volume %d", sv->vol_id); + ubi_err("bad attaching information about volume %d", sv->vol_id); ubi_dump_sv(sv); ubi_dump_vid_hdr(vidh); diff --git a/drivers/mtd/ubi/scan.h b/drivers/mtd/ubi/scan.h index 7e20a85b8c31..0f0725e18b7f 100644 --- a/drivers/mtd/ubi/scan.h +++ b/drivers/mtd/ubi/scan.h @@ -145,7 +145,7 @@ struct ubi_vid_hdr; /* * ubi_scan_move_to_list - move a PEB from the volume tree to a list. * - * @sv: volume scanning information + * @sv: volume attaching information * @aeb: scanning eraseblock information * @list: the list to move to */ @@ -157,19 +157,19 @@ static inline void ubi_scan_move_to_list(struct ubi_ainf_volume *sv, list_add_tail(&aeb->u.list, list); } -int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *si, +int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum, int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips); -struct ubi_ainf_volume *ubi_scan_find_sv(const struct ubi_attach_info *si, +struct ubi_ainf_volume *ubi_scan_find_sv(const struct ubi_attach_info *ai, int vol_id); struct ubi_ainf_peb *ubi_scan_find_aeb(const struct ubi_ainf_volume *sv, int lnum); -void ubi_scan_rm_volume(struct ubi_attach_info *si, struct ubi_ainf_volume *sv); +void ubi_scan_rm_volume(struct ubi_attach_info *ai, struct ubi_ainf_volume *sv); struct ubi_ainf_peb *ubi_scan_get_free_peb(struct ubi_device *ubi, - struct ubi_attach_info *si); -int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_attach_info *si, + struct ubi_attach_info *ai); +int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_attach_info *ai, int pnum, int ec); struct ubi_attach_info *ubi_scan(struct ubi_device *ubi); -void ubi_scan_destroy_si(struct ubi_attach_info *si); +void ubi_scan_destroy_ai(struct ubi_attach_info *ai); #endif /* !__UBI_SCAN_H__ */ diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 0f206517d811..faaf72933bcb 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -489,7 +489,7 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx, struct ubi_vtbl_record *vtbl_rec); int ubi_vtbl_rename_volumes(struct ubi_device *ubi, struct list_head *rename_list); -int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *si); +int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *ai); /* vmt.c */ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req); @@ -529,14 +529,14 @@ int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, const void *buf, int len); 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_attach_info *si); +int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *ai); /* wl.c */ int ubi_wl_get_peb(struct ubi_device *ubi); int ubi_wl_put_peb(struct ubi_device *ubi, int pnum, int torture); int ubi_wl_flush(struct ubi_device *ubi); int ubi_wl_scrub_peb(struct ubi_device *ubi, int pnum); -int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si); +int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *ai); void ubi_wl_close(struct ubi_device *ubi); int ubi_thread(void *u); diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index 800958de64e8..3e5363c9945e 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -291,14 +291,14 @@ bad: /** * create_vtbl - create a copy of volume table. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * @copy: number of the volume table copy * @vtbl: contents of the volume table * * This function returns zero in case of success and a negative error code in * case of failure. */ -static int create_vtbl(struct ubi_device *ubi, struct ubi_attach_info *si, +static int create_vtbl(struct ubi_device *ubi, struct ubi_attach_info *ai, int copy, void *vtbl) { int err, tries = 0; @@ -312,7 +312,7 @@ static int create_vtbl(struct ubi_device *ubi, struct ubi_attach_info *si, return -ENOMEM; retry: - new_aeb = ubi_scan_get_free_peb(ubi, si); + new_aeb = ubi_scan_get_free_peb(ubi, ai); if (IS_ERR(new_aeb)) { err = PTR_ERR(new_aeb); goto out_free; @@ -324,7 +324,7 @@ retry: vid_hdr->data_size = vid_hdr->used_ebs = vid_hdr->data_pad = cpu_to_be32(0); vid_hdr->lnum = cpu_to_be32(copy); - vid_hdr->sqnum = cpu_to_be64(++si->max_sqnum); + vid_hdr->sqnum = cpu_to_be64(++ai->max_sqnum); /* The EC header is already there, write the VID header */ err = ubi_io_write_vid_hdr(ubi, new_aeb->pnum, vid_hdr); @@ -337,10 +337,10 @@ retry: goto write_error; /* - * And add it to the scanning information. Don't delete the old version + * And add it to the attaching information. Don't delete the old version * of this LEB as it will be deleted and freed in 'ubi_scan_add_used()'. */ - err = ubi_scan_add_used(ubi, si, new_aeb->pnum, new_aeb->ec, + err = ubi_scan_add_used(ubi, ai, new_aeb->pnum, new_aeb->ec, vid_hdr, 0); kfree(new_aeb); ubi_free_vid_hdr(ubi, vid_hdr); @@ -352,7 +352,7 @@ write_error: * Probably this physical eraseblock went bad, try to pick * another one. */ - list_add(&new_aeb->u.list, &si->erase); + list_add(&new_aeb->u.list, &ai->erase); goto retry; } kfree(new_aeb); @@ -365,15 +365,15 @@ out_free: /** * process_lvol - process the layout volume. * @ubi: UBI device description object - * @si: scanning information - * @sv: layout volume scanning information + * @ai: attaching information + * @sv: layout volume attaching information * * This function is responsible for reading the layout volume, ensuring it is * not corrupted, and recovering from corruptions if needed. Returns volume * table in case of success and a negative error code in case of failure. */ static struct ubi_vtbl_record *process_lvol(struct ubi_device *ubi, - struct ubi_attach_info *si, + struct ubi_attach_info *ai, struct ubi_ainf_volume *sv) { int err; @@ -449,7 +449,7 @@ static struct ubi_vtbl_record *process_lvol(struct ubi_device *ubi, ubi->vtbl_size); if (leb_corrupted[1]) { ubi_warn("volume table copy #2 is corrupted"); - err = create_vtbl(ubi, si, 1, leb[0]); + err = create_vtbl(ubi, ai, 1, leb[0]); if (err) goto out_free; ubi_msg("volume table was restored"); @@ -472,7 +472,7 @@ static struct ubi_vtbl_record *process_lvol(struct ubi_device *ubi, } ubi_warn("volume table copy #1 is corrupted"); - err = create_vtbl(ubi, si, 0, leb[1]); + err = create_vtbl(ubi, ai, 0, leb[1]); if (err) goto out_free; ubi_msg("volume table was restored"); @@ -490,13 +490,13 @@ out_free: /** * create_empty_lvol - create empty layout volume. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * * This function returns volume table contents in case of success and a * negative error code in case of failure. */ static struct ubi_vtbl_record *create_empty_lvol(struct ubi_device *ubi, - struct ubi_attach_info *si) + struct ubi_attach_info *ai) { int i; struct ubi_vtbl_record *vtbl; @@ -511,7 +511,7 @@ static struct ubi_vtbl_record *create_empty_lvol(struct ubi_device *ubi, for (i = 0; i < UBI_LAYOUT_VOLUME_EBS; i++) { int err; - err = create_vtbl(ubi, si, i, vtbl); + err = create_vtbl(ubi, ai, i, vtbl); if (err) { vfree(vtbl); return ERR_PTR(err); @@ -524,7 +524,7 @@ static struct ubi_vtbl_record *create_empty_lvol(struct ubi_device *ubi, /** * init_volumes - initialize volume information for existing volumes. * @ubi: UBI device description object - * @si: scanning information + * @ai: scanning information * @vtbl: volume table * * This function allocates volume description objects for existing volumes. @@ -532,7 +532,7 @@ static struct ubi_vtbl_record *create_empty_lvol(struct ubi_device *ubi, * failure. */ static int init_volumes(struct ubi_device *ubi, - const struct ubi_attach_info *si, + const struct ubi_attach_info *ai, const struct ubi_vtbl_record *vtbl) { int i, reserved_pebs = 0; @@ -592,7 +592,7 @@ static int init_volumes(struct ubi_device *ubi, } /* Static volumes only */ - sv = ubi_scan_find_sv(si, i); + sv = ubi_scan_find_sv(ai, i); if (!sv) { /* * No eraseblocks belonging to this volume found. We @@ -661,11 +661,11 @@ static int init_volumes(struct ubi_device *ubi, } /** - * check_sv - check volume scanning information. + * check_sv - check volume attaching information. * @vol: UBI volume description object - * @sv: volume scanning information + * @sv: volume attaching information * - * This function returns zero if the volume scanning information is consistent + * This function returns zero if the volume attaching information is consistent * to the data read from the volume tabla, and %-EINVAL if not. */ static int check_sv(const struct ubi_volume *vol, @@ -696,50 +696,50 @@ static int check_sv(const struct ubi_volume *vol, return 0; bad: - ubi_err("bad scanning information, error %d", err); + ubi_err("bad attaching information, error %d", err); ubi_dump_sv(sv); ubi_dump_vol_info(vol); return -EINVAL; } /** - * check_scanning_info - check that scanning information. + * check_scanning_info - check that attaching information. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * * Even though we protect on-flash data by CRC checksums, we still don't trust - * the media. This function ensures that scanning information is consistent to + * the media. This function ensures that attaching information is consistent to * the information read from the volume table. Returns zero if the scanning * information is OK and %-EINVAL if it is not. */ static int check_scanning_info(const struct ubi_device *ubi, - struct ubi_attach_info *si) + struct ubi_attach_info *ai) { int err, i; struct ubi_ainf_volume *sv; struct ubi_volume *vol; - if (si->vols_found > UBI_INT_VOL_COUNT + ubi->vtbl_slots) { + if (ai->vols_found > UBI_INT_VOL_COUNT + ubi->vtbl_slots) { ubi_err("scanning found %d volumes, maximum is %d + %d", - si->vols_found, UBI_INT_VOL_COUNT, ubi->vtbl_slots); + ai->vols_found, UBI_INT_VOL_COUNT, ubi->vtbl_slots); return -EINVAL; } - if (si->highest_vol_id >= ubi->vtbl_slots + UBI_INT_VOL_COUNT && - si->highest_vol_id < UBI_INTERNAL_VOL_START) { + if (ai->highest_vol_id >= ubi->vtbl_slots + UBI_INT_VOL_COUNT && + ai->highest_vol_id < UBI_INTERNAL_VOL_START) { ubi_err("too large volume ID %d found by scanning", - si->highest_vol_id); + ai->highest_vol_id); return -EINVAL; } for (i = 0; i < ubi->vtbl_slots + UBI_INT_VOL_COUNT; i++) { cond_resched(); - sv = ubi_scan_find_sv(si, i); + sv = ubi_scan_find_sv(ai, i); vol = ubi->volumes[i]; if (!vol) { if (sv) - ubi_scan_rm_volume(si, sv); + ubi_scan_rm_volume(ai, sv); continue; } @@ -757,7 +757,7 @@ static int check_scanning_info(const struct ubi_device *ubi, * these eraseblocks. */ ubi_msg("finish volume %d removal", sv->vol_id); - ubi_scan_rm_volume(si, sv); + ubi_scan_rm_volume(ai, sv); } else if (sv) { err = check_sv(vol, sv); if (err) @@ -771,13 +771,13 @@ static int check_scanning_info(const struct ubi_device *ubi, /** * ubi_read_volume_table - read the volume table. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * * This function reads volume table, checks it, recover from errors if needed, * or creates it if needed. Returns zero in case of success and a negative * error code in case of failure. */ -int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *si) +int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *ai) { int i, err; struct ubi_ainf_volume *sv; @@ -795,7 +795,7 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *si) ubi->vtbl_size = ubi->vtbl_slots * UBI_VTBL_RECORD_SIZE; ubi->vtbl_size = ALIGN(ubi->vtbl_size, ubi->min_io_size); - sv = ubi_scan_find_sv(si, UBI_LAYOUT_VOLUME_ID); + sv = ubi_scan_find_sv(ai, UBI_LAYOUT_VOLUME_ID); if (!sv) { /* * No logical eraseblocks belonging to the layout volume were @@ -805,8 +805,8 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *si) * But if flash is not empty this must be a corruption or the * MTD device just contains garbage. */ - if (si->is_empty) { - ubi->vtbl = create_empty_lvol(ubi, si); + if (ai->is_empty) { + ubi->vtbl = create_empty_lvol(ubi, ai); if (IS_ERR(ubi->vtbl)) return PTR_ERR(ubi->vtbl); } else { @@ -821,7 +821,7 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *si) return -EINVAL; } - ubi->vtbl = process_lvol(ubi, si, sv); + ubi->vtbl = process_lvol(ubi, ai, sv); if (IS_ERR(ubi->vtbl)) return PTR_ERR(ubi->vtbl); } @@ -832,15 +832,15 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *si) * The layout volume is OK, initialize the corresponding in-RAM data * structures. */ - err = init_volumes(ubi, si, ubi->vtbl); + err = init_volumes(ubi, ai, ubi->vtbl); if (err) goto out_free; /* - * Make sure that the scanning information is consistent to the + * Make sure that the attaching information is consistent to the * information stored in the volume table. */ - err = check_scanning_info(ubi, si); + err = check_scanning_info(ubi, ai); if (err) goto out_free; diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index fb870f4fc924..992240dae1b1 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1373,14 +1373,14 @@ static void cancel_pending(struct ubi_device *ubi) } /** - * ubi_wl_init_scan - initialize the WL sub-system using scanning information. + * ubi_wl_init_scan - initialize the WL sub-system using attaching information. * @ubi: UBI device description object - * @si: scanning information + * @ai: attaching information * * This function returns zero in case of success, and a negative error code in * case of failure. */ -int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) +int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *ai) { int err, i; struct rb_node *rb1, *rb2; @@ -1392,7 +1392,7 @@ int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) spin_lock_init(&ubi->wl_lock); mutex_init(&ubi->move_mutex); init_rwsem(&ubi->work_sem); - ubi->max_ec = si->max_ec; + ubi->max_ec = ai->max_ec; INIT_LIST_HEAD(&ubi->works); sprintf(ubi->bgt_name, UBI_BGT_NAME_PATTERN, ubi->ubi_num); @@ -1406,7 +1406,7 @@ int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) INIT_LIST_HEAD(&ubi->pq[i]); ubi->pq_head = 0; - list_for_each_entry_safe(aeb, tmp, &si->erase, u.list) { + list_for_each_entry_safe(aeb, tmp, &ai->erase, u.list) { cond_resched(); e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL); @@ -1422,7 +1422,7 @@ int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) } } - list_for_each_entry(aeb, &si->free, u.list) { + list_for_each_entry(aeb, &ai->free, u.list) { cond_resched(); e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL); @@ -1436,7 +1436,7 @@ int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_attach_info *si) ubi->lookuptbl[e->pnum] = e; } - ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb) { + ubi_rb_for_each_entry(rb1, sv, &ai->volumes, rb) { ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb) { cond_resched();