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UBI: Kill data type hint

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We do not need this feature and to our shame it even was not working
and there was a bug found very recently.
	-- Artem Bityutskiy

Without the data type hint UBI2 (fastmap) will be easier to implement.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Richard Weinberger 2012-05-14 17:55:51 +02:00 committed by Artem Bityutskiy
parent 0964f6a27b
commit b36a261e8c
25 changed files with 107 additions and 224 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/mtd/ubi/cdev.c
View file

@ -334,8 +334,7 @@ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf,
break;
}
err = ubi_eba_write_leb(ubi, vol, lnum, tbuf, off, len,
UBI_UNKNOWN);
err = ubi_eba_write_leb(ubi, vol, lnum, tbuf, off, len);
if (err)
break;
@ -477,9 +476,6 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
if (req.lnum < 0 || req.lnum >= vol->reserved_pebs ||
req.bytes < 0 || req.lnum >= vol->usable_leb_size)
break;
if (req.dtype != UBI_LONGTERM && req.dtype != UBI_SHORTTERM &&
req.dtype != UBI_UNKNOWN)
break;
err = get_exclusive(desc);
if (err < 0)
@ -532,7 +528,7 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
err = -EFAULT;
break;
}
err = ubi_leb_map(desc, req.lnum, req.dtype);
err = ubi_leb_map(desc, req.lnum);
break;
}

20
drivers/mtd/ubi/eba.c
View file

@ -507,7 +507,7 @@ static int recover_peb(struct ubi_device *ubi, int pnum, int vol_id, int lnum,
return -ENOMEM;
retry:
new_pnum = ubi_wl_get_peb(ubi, UBI_UNKNOWN);
new_pnum = ubi_wl_get_peb(ubi);
if (new_pnum < 0) {
ubi_free_vid_hdr(ubi, vid_hdr);
return new_pnum;
@ -585,7 +585,6 @@ static int recover_peb(struct ubi_device *ubi, int pnum, int vol_id, int lnum,
* @buf: the data to write
* @offset: offset within the logical eraseblock where to write
* @len: how many bytes to write
* @dtype: data type
*
* This function writes data to logical eraseblock @lnum of a dynamic volume
* @vol. Returns zero in case of success and a negative error code in case
@ -593,7 +592,7 @@ static int recover_peb(struct ubi_device *ubi, int pnum, int vol_id, int lnum,
* written to the flash media, but may be some garbage.
*/
int ubi_eba_write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
const void *buf, int offset, int len, int dtype)
const void *buf, int offset, int len)
{
int err, pnum, tries = 0, vol_id = vol->vol_id;
struct ubi_vid_hdr *vid_hdr;
@ -641,7 +640,7 @@ int ubi_eba_write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
vid_hdr->data_pad = cpu_to_be32(vol->data_pad);
retry:
pnum = ubi_wl_get_peb(ubi, dtype);
pnum = ubi_wl_get_peb(ubi);
if (pnum < 0) {
ubi_free_vid_hdr(ubi, vid_hdr);
leb_write_unlock(ubi, vol_id, lnum);
@ -707,7 +706,6 @@ int ubi_eba_write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
* @lnum: logical eraseblock number
* @buf: data to write
* @len: how many bytes to write
* @dtype: data type
* @used_ebs: how many logical eraseblocks will this volume contain
*
* This function writes data to logical eraseblock @lnum of static volume
@ -724,8 +722,7 @@ int ubi_eba_write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
* code in case of failure.
*/
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 lnum, const void *buf, int len, int used_ebs)
{
int err, pnum, tries = 0, data_size = len, vol_id = vol->vol_id;
struct ubi_vid_hdr *vid_hdr;
@ -763,7 +760,7 @@ int ubi_eba_write_leb_st(struct ubi_device *ubi, struct ubi_volume *vol,
vid_hdr->data_crc = cpu_to_be32(crc);
retry:
pnum = ubi_wl_get_peb(ubi, dtype);
pnum = ubi_wl_get_peb(ubi);
if (pnum < 0) {
ubi_free_vid_hdr(ubi, vid_hdr);
leb_write_unlock(ubi, vol_id, lnum);
@ -827,7 +824,6 @@ int ubi_eba_write_leb_st(struct ubi_device *ubi, struct ubi_volume *vol,
* @lnum: logical eraseblock number
* @buf: data to write
* @len: how many bytes to write
* @dtype: data type
*
* This function changes the contents of a logical eraseblock atomically. @buf
* has to contain new logical eraseblock data, and @len - the length of the
@ -839,7 +835,7 @@ int ubi_eba_write_leb_st(struct ubi_device *ubi, struct ubi_volume *vol,
* 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, struct ubi_volume *vol,
int lnum, const void *buf, int len, int dtype)
int lnum, const void *buf, int len)
{
int err, pnum, tries = 0, vol_id = vol->vol_id;
struct ubi_vid_hdr *vid_hdr;
@ -856,7 +852,7 @@ int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
err = ubi_eba_unmap_leb(ubi, vol, lnum);
if (err)
return err;
return ubi_eba_write_leb(ubi, vol, lnum, NULL, 0, 0, dtype);
return ubi_eba_write_leb(ubi, vol, lnum, NULL, 0, 0);
}
vid_hdr = ubi_zalloc_vid_hdr(ubi, GFP_NOFS);
@ -881,7 +877,7 @@ int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
vid_hdr->data_crc = cpu_to_be32(crc);
retry:
pnum = ubi_wl_get_peb(ubi, dtype);
pnum = ubi_wl_get_peb(ubi);
if (pnum < 0) {
err = pnum;
goto out_leb_unlock;

2
drivers/mtd/ubi/gluebi.c
View file

@ -227,7 +227,7 @@ 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_write(gluebi->desc, lnum, buf, offs, to_write);
err = ubi_leb_write(gluebi->desc, lnum, buf, offs, to_write);
if (err)
break;

30
drivers/mtd/ubi/kapi.c
View file

@ -426,11 +426,9 @@ EXPORT_SYMBOL_GPL(ubi_leb_read);
* @buf: data to write
* @offset: offset within the logical eraseblock where to write
* @len: how many bytes to write
* @dtype: expected data type
*
* This function writes @len bytes of data from @buf to offset @offset of
* logical eraseblock @lnum. The @dtype argument describes expected lifetime of
* the data.
* logical eraseblock @lnum.
*
* This function takes care of physical eraseblock write failures. If write to
* the physical eraseblock write operation fails, the logical eraseblock is
@ -447,7 +445,7 @@ EXPORT_SYMBOL_GPL(ubi_leb_read);
* returns immediately with %-EBADF code.
*/
int ubi_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf,
int offset, int len, int dtype)
int offset, int len)
{
struct ubi_volume *vol = desc->vol;
struct ubi_device *ubi = vol->ubi;
@ -466,17 +464,13 @@ int ubi_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf,
offset & (ubi->min_io_size - 1) || len & (ubi->min_io_size - 1))
return -EINVAL;
if (dtype != UBI_LONGTERM && dtype != UBI_SHORTTERM &&
dtype != UBI_UNKNOWN)
return -EINVAL;
if (vol->upd_marker)
return -EBADF;
if (len == 0)
return 0;
return ubi_eba_write_leb(ubi, vol, lnum, buf, offset, len, dtype);
return ubi_eba_write_leb(ubi, vol, lnum, buf, offset, len);
}
EXPORT_SYMBOL_GPL(ubi_leb_write);
@ -486,7 +480,6 @@ EXPORT_SYMBOL_GPL(ubi_leb_write);
* @lnum: logical eraseblock number to change
* @buf: data to write
* @len: how many bytes to write
* @dtype: expected data type
*
* This function changes the contents of a logical eraseblock atomically. @buf
* has to contain new logical eraseblock data, and @len - the length of the
@ -497,7 +490,7 @@ EXPORT_SYMBOL_GPL(ubi_leb_write);
* code in case of failure.
*/
int ubi_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
int len, int dtype)
int len)
{
struct ubi_volume *vol = desc->vol;
struct ubi_device *ubi = vol->ubi;
@ -515,17 +508,13 @@ int ubi_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
len > vol->usable_leb_size || len & (ubi->min_io_size - 1))
return -EINVAL;
if (dtype != UBI_LONGTERM && dtype != UBI_SHORTTERM &&
dtype != UBI_UNKNOWN)
return -EINVAL;
if (vol->upd_marker)
return -EBADF;
if (len == 0)
return 0;
return ubi_eba_atomic_leb_change(ubi, vol, lnum, buf, len, dtype);
return ubi_eba_atomic_leb_change(ubi, vol, lnum, buf, len);
}
EXPORT_SYMBOL_GPL(ubi_leb_change);
@ -626,7 +615,6 @@ EXPORT_SYMBOL_GPL(ubi_leb_unmap);
* ubi_leb_map - map logical eraseblock to a physical eraseblock.
* @desc: volume descriptor
* @lnum: logical eraseblock number
* @dtype: expected data type
*
* This function maps an un-mapped logical eraseblock @lnum to a physical
* eraseblock. This means, that after a successful invocation of this
@ -639,7 +627,7 @@ EXPORT_SYMBOL_GPL(ubi_leb_unmap);
* eraseblock is already mapped, and other negative error codes in case of
* other failures.
*/
int ubi_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype)
int ubi_leb_map(struct ubi_volume_desc *desc, int lnum)
{
struct ubi_volume *vol = desc->vol;
struct ubi_device *ubi = vol->ubi;
@ -652,17 +640,13 @@ int ubi_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype)
if (lnum < 0 || lnum >= vol->reserved_pebs)
return -EINVAL;
if (dtype != UBI_LONGTERM && dtype != UBI_SHORTTERM &&
dtype != UBI_UNKNOWN)
return -EINVAL;
if (vol->upd_marker)
return -EBADF;
if (vol->eba_tbl[lnum] >= 0)
return -EBADMSG;
return ubi_eba_write_leb(ubi, vol, lnum, NULL, 0, 0, dtype);
return ubi_eba_write_leb(ubi, vol, lnum, NULL, 0, 0);
}
EXPORT_SYMBOL_GPL(ubi_leb_map);

12
drivers/mtd/ubi/ubi.h
View file

@ -222,8 +222,6 @@ struct ubi_volume_desc;
* @upd_ebs: how many eraseblocks are expected to be updated
* @ch_lnum: LEB number which is being changing by the atomic LEB change
* operation
* @ch_dtype: data persistency type which is being changing by the atomic LEB
* change operation
* @upd_bytes: how many bytes are expected to be received for volume update or
* atomic LEB change
* @upd_received: how many bytes were already received for volume update or
@ -270,7 +268,6 @@ struct ubi_volume {
int upd_ebs;
int ch_lnum;
int ch_dtype;
long long upd_bytes;
long long upd_received;
void *upd_buf;
@ -525,18 +522,17 @@ int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol,
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);
const void *buf, int offset, int len);
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 lnum, const void *buf, int len, int used_ebs);
int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
int lnum, const void *buf, int len, int dtype);
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_scan_info *si);
/* wl.c */
int ubi_wl_get_peb(struct ubi_device *ubi, int dtype);
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);

12
drivers/mtd/ubi/upd.c
View file

@ -186,14 +186,12 @@ int ubi_start_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
dbg_gen("start changing LEB %d:%d, %u bytes",
vol->vol_id, req->lnum, req->bytes);
if (req->bytes == 0)
return ubi_eba_atomic_leb_change(ubi, vol, req->lnum, NULL, 0,
req->dtype);
return ubi_eba_atomic_leb_change(ubi, vol, req->lnum, NULL, 0);
vol->upd_bytes = req->bytes;
vol->upd_received = 0;
vol->changing_leb = 1;
vol->ch_lnum = req->lnum;
vol->ch_dtype = req->dtype;
vol->upd_buf = vmalloc(req->bytes);
if (!vol->upd_buf)
@ -246,8 +244,7 @@ static int write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
return 0;
}
err = ubi_eba_write_leb(ubi, vol, lnum, buf, 0, len,
UBI_UNKNOWN);
err = ubi_eba_write_leb(ubi, vol, lnum, buf, 0, len);
} else {
/*
* When writing static volume, and this is the last logical
@ -259,8 +256,7 @@ static int write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
* contain zeros, not random trash.
*/
memset(buf + len, 0, vol->usable_leb_size - len);
err = ubi_eba_write_leb_st(ubi, vol, lnum, buf, len,
UBI_UNKNOWN, used_ebs);
err = ubi_eba_write_leb_st(ubi, vol, lnum, buf, len, used_ebs);
}
return err;
@ -421,7 +417,7 @@ int ubi_more_leb_change_data(struct ubi_device *ubi, struct ubi_volume *vol,
len - vol->upd_bytes);
len = ubi_calc_data_len(ubi, vol->upd_buf, len);
err = ubi_eba_atomic_leb_change(ubi, vol, vol->ch_lnum,
vol->upd_buf, len, UBI_UNKNOWN);
vol->upd_buf, len);
if (err)
return err;
}

4
drivers/mtd/ubi/vtbl.c
View file

@ -106,7 +106,7 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
return err;
err = ubi_eba_write_leb(ubi, layout_vol, i, ubi->vtbl, 0,
ubi->vtbl_size, UBI_LONGTERM);
ubi->vtbl_size);
if (err)
return err;
}
@ -158,7 +158,7 @@ int ubi_vtbl_rename_volumes(struct ubi_device *ubi,
return err;
err = ubi_eba_write_leb(ubi, layout_vol, i, ubi->vtbl, 0,
ubi->vtbl_size, UBI_LONGTERM);
ubi->vtbl_size);
if (err)
return err;
}

48
drivers/mtd/ubi/wl.c
View file

@ -383,19 +383,15 @@ static struct ubi_wl_entry *find_wl_entry(struct rb_root *root, int diff)
/**
* ubi_wl_get_peb - get a physical eraseblock.
* @ubi: UBI device description object
* @dtype: type of data which will be stored in this physical eraseblock
*
* This function returns a physical eraseblock in case of success and a
* negative error code in case of failure. Might sleep.
*/
int ubi_wl_get_peb(struct ubi_device *ubi, int dtype)
int ubi_wl_get_peb(struct ubi_device *ubi)
{
int err;
struct ubi_wl_entry *e, *first, *last;
ubi_assert(dtype == UBI_LONGTERM || dtype == UBI_SHORTTERM ||
dtype == UBI_UNKNOWN);
retry:
spin_lock(&ubi->wl_lock);
if (!ubi->free.rb_node) {
@ -413,43 +409,13 @@ int ubi_wl_get_peb(struct ubi_device *ubi, int dtype)
goto retry;
}
switch (dtype) {
case UBI_LONGTERM:
/*
* For long term data we pick a physical eraseblock with high
* erase counter. But the highest erase counter we can pick is
* bounded by the the lowest erase counter plus
* %WL_FREE_MAX_DIFF.
*/
e = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF);
break;
case UBI_UNKNOWN:
/*
* For unknown data we pick a physical eraseblock with medium
* erase counter. But we by no means can pick a physical
* eraseblock with erase counter greater or equivalent than the
* lowest erase counter plus %WL_FREE_MAX_DIFF/2.
*/
first = rb_entry(rb_first(&ubi->free), struct ubi_wl_entry,
u.rb);
last = rb_entry(rb_last(&ubi->free), struct ubi_wl_entry, u.rb);
first = rb_entry(rb_first(&ubi->free), struct ubi_wl_entry, u.rb);
last = rb_entry(rb_last(&ubi->free), struct ubi_wl_entry, u.rb);
if (last->ec - first->ec < WL_FREE_MAX_DIFF)
e = rb_entry(ubi->free.rb_node,
struct ubi_wl_entry, u.rb);
else
e = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF/2);
break;
case UBI_SHORTTERM:
/*
* For short term data we pick a physical eraseblock with the
* lowest erase counter as we expect it will be erased soon.
*/
e = rb_entry(rb_first(&ubi->free), struct ubi_wl_entry, u.rb);
break;
default:
BUG();
}
if (last->ec - first->ec < WL_FREE_MAX_DIFF)
e = rb_entry(ubi->free.rb_node, struct ubi_wl_entry, u.rb);
else
e = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF/2);
paranoid_check_in_wl_tree(ubi, e, &ubi->free);

12
fs/ubifs/debug.c
View file

@ -2676,7 +2676,7 @@ static void cut_data(const void *buf, unsigned int len)
}
int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf,
int offs, int len, int dtype)
int offs, int len)
{
int err, failing;
@ -2686,7 +2686,7 @@ int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf,
failing = power_cut_emulated(c, lnum, 1);
if (failing)
cut_data(buf, len);
err = ubi_leb_write(c->ubi, lnum, buf, offs, len, dtype);
err = ubi_leb_write(c->ubi, lnum, buf, offs, len);
if (err)
return err;
if (failing)
@ -2695,7 +2695,7 @@ int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf,
}
int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf,
int len, int dtype)
int len)
{
int err;
@ -2703,7 +2703,7 @@ int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf,
return -EROFS;
if (power_cut_emulated(c, lnum, 1))
return -EROFS;
err = ubi_leb_change(c->ubi, lnum, buf, len, dtype);
err = ubi_leb_change(c->ubi, lnum, buf, len);
if (err)
return err;
if (power_cut_emulated(c, lnum, 1))
@ -2727,7 +2727,7 @@ int dbg_leb_unmap(struct ubifs_info *c, int lnum)
return 0;
}
int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype)
int dbg_leb_map(struct ubifs_info *c, int lnum)
{
int err;
@ -2735,7 +2735,7 @@ int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype)
return -EROFS;
if (power_cut_emulated(c, lnum, 0))
return -EROFS;
err = ubi_leb_map(c->ubi, lnum, dtype);
err = ubi_leb_map(c->ubi, lnum);
if (err)
return err;
if (power_cut_emulated(c, lnum, 0))

7
fs/ubifs/debug.h
View file

@ -299,11 +299,10 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head);
int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head);
int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
int len, int dtype);
int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len,
int dtype);
int len);
int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len);
int dbg_leb_unmap(struct ubifs_info *c, int lnum);
int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype);
int dbg_leb_map(struct ubifs_info *c, int lnum);
/* Debugfs-related stuff */
int dbg_debugfs_init(void);

2
fs/ubifs/gc.c
View file

@ -109,7 +109,7 @@ static int switch_gc_head(struct ubifs_info *c)
return err;
c->gc_lnum = -1;
err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0, UBI_LONGTERM);
err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0);
return err;
}

42
fs/ubifs/io.c
View file

@ -115,7 +115,7 @@ int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,
}
int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
int len, int dtype)
int len)
{
int err;
@ -123,9 +123,9 @@ int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
if (c->ro_error)
return -EROFS;
if (!dbg_is_tst_rcvry(c))
err = ubi_leb_write(c->ubi, lnum, buf, offs, len, dtype);
err = ubi_leb_write(c->ubi, lnum, buf, offs, len);
else
err = dbg_leb_write(c, lnum, buf, offs, len, dtype);
err = dbg_leb_write(c, lnum, buf, offs, len);
if (err) {
ubifs_err("writing %d bytes to LEB %d:%d failed, error %d",
len, lnum, offs, err);
@ -135,8 +135,7 @@ int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
return err;
}
int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len,
int dtype)
int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len)
{
int err;
@ -144,9 +143,9 @@ int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len,
if (c->ro_error)
return -EROFS;
if (!dbg_is_tst_rcvry(c))
err = ubi_leb_change(c->ubi, lnum, buf, len, dtype);
err = ubi_leb_change(c->ubi, lnum, buf, len);
else
err = dbg_leb_change(c, lnum, buf, len, dtype);
err = dbg_leb_change(c, lnum, buf, len);
if (err) {
ubifs_err("changing %d bytes in LEB %d failed, error %d",
len, lnum, err);
@ -175,7 +174,7 @@ int ubifs_leb_unmap(struct ubifs_info *c, int lnum)
return err;
}
int ubifs_leb_map(struct ubifs_info *c, int lnum, int dtype)
int ubifs_leb_map(struct ubifs_info *c, int lnum)
{
int err;
@ -183,9 +182,9 @@ int ubifs_leb_map(struct ubifs_info *c, int lnum, int dtype)
if (c->ro_error)
return -EROFS;
if (!dbg_is_tst_rcvry(c))
err = ubi_leb_map(c->ubi, lnum, dtype);
err = ubi_leb_map(c->ubi, lnum);
else
err = dbg_leb_map(c, lnum, dtype);
err = dbg_leb_map(c, lnum);
if (err) {
ubifs_err("mapping LEB %d failed, error %d", lnum, err);
ubifs_ro_mode(c, err);
@ -523,8 +522,7 @@ int ubifs_wbuf_sync_nolock(struct ubifs_wbuf *wbuf)
dirt = sync_len - wbuf->used;
if (dirt)
ubifs_pad(c, wbuf->buf + wbuf->used, dirt);
err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, sync_len,
wbuf->dtype);
err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, sync_len);
if (err)
return err;
@ -562,14 +560,12 @@ int ubifs_wbuf_sync_nolock(struct ubifs_wbuf *wbuf)
* @wbuf: write-buffer
* @lnum: logical eraseblock number to seek to
* @offs: logical eraseblock offset to seek to
* @dtype: data type
*
* This function targets the write-buffer to logical eraseblock @lnum:@offs.
* The write-buffer has to be empty. Returns zero in case of success and a
* negative error code in case of failure.
*/
int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs,
int dtype)
int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs)
{
const struct ubifs_info *c = wbuf->c;
@ -592,7 +588,6 @@ int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs,
wbuf->avail = wbuf->size;
wbuf->used = 0;
spin_unlock(&wbuf->lock);
wbuf->dtype = dtype;
return 0;
}
@ -719,8 +714,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
dbg_io("flush jhead %s wbuf to LEB %d:%d",
dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);
err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf,
wbuf->offs, wbuf->size,
wbuf->dtype);
wbuf->offs, wbuf->size);
if (err)
goto out;
@ -756,7 +750,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);
memcpy(wbuf->buf + wbuf->used, buf, wbuf->avail);
err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs,
wbuf->size, wbuf->dtype);
wbuf->size);
if (err)
goto out;
@ -775,7 +769,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
dbg_io("write %d bytes to LEB %d:%d",
wbuf->size, wbuf->lnum, wbuf->offs);
err = ubifs_leb_write(c, wbuf->lnum, buf, wbuf->offs,
wbuf->size, wbuf->dtype);
wbuf->size);
if (err)
goto out;
@ -797,7 +791,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
dbg_io("write %d bytes to LEB %d:%d", n, wbuf->lnum,
wbuf->offs);
err = ubifs_leb_write(c, wbuf->lnum, buf + written,
wbuf->offs, n, wbuf->dtype);
wbuf->offs, n);
if (err)
goto out;
wbuf->offs += n;
@ -854,7 +848,6 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
* @len: node length
* @lnum: logical eraseblock number
* @offs: offset within the logical eraseblock
* @dtype: node life-time hint (%UBI_LONGTERM, %UBI_SHORTTERM, %UBI_UNKNOWN)
*
* This function automatically fills node magic number, assigns sequence
* number, and calculates node CRC checksum. The length of the @buf buffer has
@ -863,7 +856,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
* success and a negative error code in case of failure.
*/
int ubifs_write_node(struct ubifs_info *c, void *buf, int len, int lnum,
int offs, int dtype)
int offs)
{
int err, buf_len = ALIGN(len, c->min_io_size);
@ -879,7 +872,7 @@ int ubifs_write_node(struct ubifs_info *c, void *buf, int len, int lnum,
return -EROFS;
ubifs_prepare_node(c, buf, len, 1);
err = ubifs_leb_write(c, lnum, buf, offs, buf_len, dtype);
err = ubifs_leb_write(c, lnum, buf, offs, buf_len);
if (err)
ubifs_dump_node(c, buf);
@ -1056,7 +1049,6 @@ int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf)
*/
size = c->max_write_size - (c->leb_start % c->max_write_size);
wbuf->avail = wbuf->size = size;
wbuf->dtype = UBI_UNKNOWN;
wbuf->sync_callback = NULL;
mutex_init(&wbuf->io_mutex);
spin_lock_init(&wbuf->lock);

2
fs/ubifs/journal.c
View file

@ -214,7 +214,7 @@ static int reserve_space(struct ubifs_info *c, int jhead, int len)
err = ubifs_add_bud_to_log(c, jhead, lnum, offs);
if (err)
goto out_return;
err = ubifs_wbuf_seek_nolock(wbuf, lnum, offs, wbuf->dtype);
err = ubifs_wbuf_seek_nolock(wbuf, lnum, offs);
if (err)
goto out_unlock;

10
fs/ubifs/log.c
View file

@ -258,7 +258,7 @@ int ubifs_add_bud_to_log(struct ubifs_info *c, int jhead, int lnum, int offs)
* an unclean reboot, because the target LEB might have been
* unmapped, but not yet physically erased.
*/
err = ubifs_leb_map(c, bud->lnum, UBI_SHORTTERM);
err = ubifs_leb_map(c, bud->lnum);
if (err)
goto out_unlock;
}
@ -266,7 +266,7 @@ int ubifs_add_bud_to_log(struct ubifs_info *c, int jhead, int lnum, int offs)
dbg_log("write ref LEB %d:%d",
c->lhead_lnum, c->lhead_offs);
err = ubifs_write_node(c, ref, UBIFS_REF_NODE_SZ, c->lhead_lnum,
c->lhead_offs, UBI_SHORTTERM);
c->lhead_offs);
if (err)
goto out_unlock;
@ -418,7 +418,7 @@ int ubifs_log_start_commit(struct ubifs_info *c, int *ltail_lnum)
len = ALIGN(len, c->min_io_size);
dbg_log("writing commit start at LEB %d:0, len %d", c->lhead_lnum, len);
err = ubifs_leb_write(c, c->lhead_lnum, cs, 0, len, UBI_SHORTTERM);
err = ubifs_leb_write(c, c->lhead_lnum, cs, 0, len);
if (err)
goto out;
@ -619,7 +619,7 @@ static int add_node(struct ubifs_info *c, void *buf, int *lnum, int *offs,
int sz = ALIGN(*offs, c->min_io_size), err;
ubifs_pad(c, buf + *offs, sz - *offs);
err = ubifs_leb_change(c, *lnum, buf, sz, UBI_SHORTTERM);
err = ubifs_leb_change(c, *lnum, buf, sz);
if (err)
return err;
*lnum = ubifs_next_log_lnum(c, *lnum);
@ -698,7 +698,7 @@ int ubifs_consolidate_log(struct ubifs_info *c)
int sz = ALIGN(offs, c->min_io_size);
ubifs_pad(c, buf + offs, sz - offs);
err = ubifs_leb_change(c, write_lnum, buf, sz, UBI_SHORTTERM);
err = ubifs_leb_change(c, write_lnum, buf, sz);
if (err)
goto out_free;
offs = ALIGN(offs, c->min_io_size);

13
fs/ubifs/lpt.c
View file

@ -701,8 +701,7 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first,
alen = ALIGN(len, c->min_io_size);
set_ltab(c, lnum, c->leb_size - alen, alen - len);
memset(p, 0xff, alen - len);
err = ubifs_leb_change(c, lnum++, buf, alen,
UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum++, buf, alen);
if (err)
goto out;
p = buf;
@ -732,8 +731,7 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first,
set_ltab(c, lnum, c->leb_size - alen,
alen - len);
memset(p, 0xff, alen - len);
err = ubifs_leb_change(c, lnum++, buf, alen,
UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum++, buf, alen);
if (err)
goto out;
p = buf;
@ -780,8 +778,7 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first,
alen = ALIGN(len, c->min_io_size);
set_ltab(c, lnum, c->leb_size - alen, alen - len);
memset(p, 0xff, alen - len);
err = ubifs_leb_change(c, lnum++, buf, alen,
UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum++, buf, alen);
if (err)
goto out;
p = buf;
@ -806,7 +803,7 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first,
alen = ALIGN(len, c->min_io_size);
set_ltab(c, lnum, c->leb_size - alen, alen - len);
memset(p, 0xff, alen - len);
err = ubifs_leb_change(c, lnum++, buf, alen, UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum++, buf, alen);
if (err)
goto out;
p = buf;
@ -826,7 +823,7 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first,
/* Write remaining buffer */
memset(p, 0xff, alen - len);
err = ubifs_leb_change(c, lnum, buf, alen, UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum, buf, alen);
if (err)
goto out;

10
fs/ubifs/lpt_commit.c
View file

@ -416,7 +416,7 @@ static int write_cnodes(struct ubifs_info *c)
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
err = ubifs_leb_write(c, lnum, buf + from, from,
alen, UBI_SHORTTERM);
alen);
if (err)
return err;
}
@ -474,8 +474,7 @@ static int write_cnodes(struct ubifs_info *c)
wlen = offs - from;
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
err = ubifs_leb_write(c, lnum, buf + from, from, alen,
UBI_SHORTTERM);
err = ubifs_leb_write(c, lnum, buf + from, from, alen);
if (err)
return err;
dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
@ -501,8 +500,7 @@ static int write_cnodes(struct ubifs_info *c)
wlen = offs - from;
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
err = ubifs_leb_write(c, lnum, buf + from, from, alen,
UBI_SHORTTERM);
err = ubifs_leb_write(c, lnum, buf + from, from, alen);
if (err)
return err;
dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
@ -526,7 +524,7 @@ static int write_cnodes(struct ubifs_info *c)
wlen = offs - from;
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
err = ubifs_leb_write(c, lnum, buf + from, from, alen, UBI_SHORTTERM);
err = ubifs_leb_write(c, lnum, buf + from, from, alen);
if (err)
return err;

4
fs/ubifs/master.c
View file

@ -379,7 +379,7 @@ int ubifs_write_master(struct ubifs_info *c)
c->mst_offs = offs;
c->mst_node->highest_inum = cpu_to_le64(c->highest_inum);
err = ubifs_write_node(c, c->mst_node, len, lnum, offs, UBI_SHORTTERM);
err = ubifs_write_node(c, c->mst_node, len, lnum, offs);
if (err)
return err;
@ -390,7 +390,7 @@ int ubifs_write_master(struct ubifs_info *c)
if (err)
return err;
}
err = ubifs_write_node(c, c->mst_node, len, lnum, offs, UBI_SHORTTERM);
err = ubifs_write_node(c, c->mst_node, len, lnum, offs);
return err;
}

5
fs/ubifs/orphan.c
View file

@ -244,8 +244,7 @@ static int do_write_orph_node(struct ubifs_info *c, int len, int atomic)
ubifs_assert(c->ohead_offs == 0);
ubifs_prepare_node(c, c->orph_buf, len, 1);
len = ALIGN(len, c->min_io_size);
err = ubifs_leb_change(c, c->ohead_lnum, c->orph_buf, len,
UBI_SHORTTERM);
err = ubifs_leb_change(c, c->ohead_lnum, c->orph_buf, len);
} else {
if (c->ohead_offs == 0) {
/* Ensure LEB has been unmapped */
@ -254,7 +253,7 @@ static int do_write_orph_node(struct ubifs_info *c, int len, int atomic)
return err;
}
err = ubifs_write_node(c, c->orph_buf, len, c->ohead_lnum,
c->ohead_offs, UBI_SHORTTERM);
c->ohead_offs);
}
return err;
}

13
fs/ubifs/recovery.c
View file

@ -213,10 +213,10 @@ static int write_rcvrd_mst_node(struct ubifs_info *c,
mst->flags |= cpu_to_le32(UBIFS_MST_RCVRY);
ubifs_prepare_node(c, mst, UBIFS_MST_NODE_SZ, 1);
err = ubifs_leb_change(c, lnum, mst, sz, UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum, mst, sz);
if (err)
goto out;
err = ubifs_leb_change(c, lnum + 1, mst, sz, UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum + 1, mst, sz);
if (err)
goto out;
out:
@ -555,8 +555,7 @@ static int fix_unclean_leb(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
ubifs_pad(c, buf, pad_len);
}
}
err = ubifs_leb_change(c, lnum, sleb->buf, len,
UBI_UNKNOWN);
err = ubifs_leb_change(c, lnum, sleb->buf, len);
if (err)
return err;
}
@ -941,7 +940,7 @@ static int recover_head(struct ubifs_info *c, int lnum, int offs, void *sbuf)
err = ubifs_leb_read(c, lnum, sbuf, 0, offs, 1);
if (err)
return err;
return ubifs_leb_change(c, lnum, sbuf, offs, UBI_UNKNOWN);
return ubifs_leb_change(c, lnum, sbuf, offs);
}
return 0;
@ -1071,7 +1070,7 @@ static int clean_an_unclean_leb(struct ubifs_info *c,
}
/* Write back the LEB atomically */
err = ubifs_leb_change(c, lnum, sbuf, len, UBI_UNKNOWN);
err = ubifs_leb_change(c, lnum, sbuf, len);
if (err)
return err;
@ -1472,7 +1471,7 @@ static int fix_size_in_place(struct ubifs_info *c, struct size_entry *e)
len -= 1;
len = ALIGN(len + 1, c->min_io_size);
/* Atomically write the fixed LEB back again */
err = ubifs_leb_change(c, lnum, c->sbuf, len, UBI_UNKNOWN);
err = ubifs_leb_change(c, lnum, c->sbuf, len);
if (err)
goto out;
dbg_rcvry("inode %lu at %d:%d size %lld -> %lld",

3
fs/ubifs/replay.c
View file

@ -154,8 +154,7 @@ static int set_bud_lprops(struct ubifs_info *c, struct bud_entry *b)
/* Make sure the journal head points to the latest bud */
err = ubifs_wbuf_seek_nolock(&c->jheads[b->bud->jhead].wbuf,
b->bud->lnum, c->leb_size - b->free,
UBI_SHORTTERM);
b->bud->lnum, c->leb_size - b->free);
out:
ubifs_release_lprops(c);

22
fs/ubifs/sb.c
View file

@ -194,7 +194,7 @@ static int create_default_filesystem(struct ubifs_info *c)
sup->rp_size = cpu_to_le64(tmp64);
sup->ro_compat_version = cpu_to_le32(UBIFS_RO_COMPAT_VERSION);
err = ubifs_write_node(c, sup, UBIFS_SB_NODE_SZ, 0, 0, UBI_LONGTERM);
err = ubifs_write_node(c, sup, UBIFS_SB_NODE_SZ, 0, 0);
kfree(sup);
if (err)
return err;
@ -250,14 +250,13 @@ static int create_default_filesystem(struct ubifs_info *c)
mst->total_used = cpu_to_le64(UBIFS_INO_NODE_SZ);
err = ubifs_write_node(c, mst, UBIFS_MST_NODE_SZ, UBIFS_MST_LNUM, 0,
UBI_UNKNOWN);
err = ubifs_write_node(c, mst, UBIFS_MST_NODE_SZ, UBIFS_MST_LNUM, 0);
if (err) {
kfree(mst);
return err;
}
err = ubifs_write_node(c, mst, UBIFS_MST_NODE_SZ, UBIFS_MST_LNUM + 1, 0,
UBI_UNKNOWN);
err = ubifs_write_node(c, mst, UBIFS_MST_NODE_SZ, UBIFS_MST_LNUM + 1,
0);
kfree(mst);
if (err)
return err;
@ -280,8 +279,7 @@ static int create_default_filesystem(struct ubifs_info *c)
key_write_idx(c, &key, &br->key);
br->lnum = cpu_to_le32(main_first + DEFAULT_DATA_LEB);
br->len = cpu_to_le32(UBIFS_INO_NODE_SZ);
err = ubifs_write_node(c, idx, tmp, main_first + DEFAULT_IDX_LEB, 0,
UBI_UNKNOWN);
err = ubifs_write_node(c, idx, tmp, main_first + DEFAULT_IDX_LEB, 0);
kfree(idx);
if (err)
return err;
@ -313,8 +311,7 @@ static int create_default_filesystem(struct ubifs_info *c)
ino->flags = cpu_to_le32(UBIFS_COMPR_FL);
err = ubifs_write_node(c, ino, UBIFS_INO_NODE_SZ,
main_first + DEFAULT_DATA_LEB, 0,
UBI_UNKNOWN);
main_first + DEFAULT_DATA_LEB, 0);
kfree(ino);
if (err)
return err;
@ -333,8 +330,7 @@ static int create_default_filesystem(struct ubifs_info *c)
return -ENOMEM;
cs->ch.node_type = UBIFS_CS_NODE;
err = ubifs_write_node(c, cs, UBIFS_CS_NODE_SZ, UBIFS_LOG_LNUM,
0, UBI_UNKNOWN);
err = ubifs_write_node(c, cs, UBIFS_CS_NODE_SZ, UBIFS_LOG_LNUM, 0);
kfree(cs);
ubifs_msg("default file-system created");
@ -516,7 +512,7 @@ int ubifs_write_sb_node(struct ubifs_info *c, struct ubifs_sb_node *sup)
int len = ALIGN(UBIFS_SB_NODE_SZ, c->min_io_size);
ubifs_prepare_node(c, sup, UBIFS_SB_NODE_SZ, 1);
return ubifs_leb_change(c, UBIFS_SB_LNUM, sup, len, UBI_LONGTERM);
return ubifs_leb_change(c, UBIFS_SB_LNUM, sup, len);
}
/**
@ -689,7 +685,7 @@ static int fixup_leb(struct ubifs_info *c, int lnum, int len)
if (err)
return err;
return ubifs_leb_change(c, lnum, c->sbuf, len, UBI_UNKNOWN);
return ubifs_leb_change(c, lnum, c->sbuf, len);
}
/**

2
fs/ubifs/super.c
View file

@ -813,13 +813,11 @@ static int alloc_wbufs(struct ubifs_info *c)
c->jheads[i].grouped = 1;
}
c->jheads[BASEHD].wbuf.dtype = UBI_SHORTTERM;
/*
* Garbage Collector head likely contains long-term data and
* does not need to be synchronized by timer. Also GC head nodes are
* not grouped.
*/
c->jheads[GCHD].wbuf.dtype = UBI_LONGTERM;
c->jheads[GCHD].wbuf.no_timer = 1;
c->jheads[GCHD].grouped = 0;

6
fs/ubifs/tnc_commit.c
View file

@ -320,8 +320,7 @@ static int layout_leb_in_gaps(struct ubifs_info *c, int *p)
0, 0, 0);
if (err)
return err;
err = ubifs_leb_change(c, lnum, c->ileb_buf, c->ileb_len,
UBI_SHORTTERM);
err = ubifs_leb_change(c, lnum, c->ileb_buf, c->ileb_len);
if (err)
return err;
dbg_gc("LEB %d wrote %d index nodes", lnum, tot_written);
@ -951,8 +950,7 @@ static int write_index(struct ubifs_info *c)
}
/* The buffer is full or there are no more znodes to do */
err = ubifs_leb_write(c, lnum, c->cbuf, buf_offs, blen,
UBI_SHORTTERM);
err = ubifs_leb_write(c, lnum, c->cbuf, buf_offs, blen);
if (err)
return err;
buf_offs += blen;

15
fs/ubifs/ubifs.h
View file

@ -650,8 +650,6 @@ typedef int (*ubifs_lpt_scan_callback)(struct ubifs_info *c,
* @avail: number of bytes available in the write-buffer
* @used: number of used bytes in the write-buffer
* @size: write-buffer size (in [@c->min_io_size, @c->max_write_size] range)
* @dtype: type of data stored in this LEB (%UBI_LONGTERM, %UBI_SHORTTERM,
* %UBI_UNKNOWN)
* @jhead: journal head the mutex belongs to (note, needed only to shut lockdep
* up by 'mutex_lock_nested()).
* @sync_callback: write-buffer synchronization callback
@ -685,7 +683,6 @@ struct ubifs_wbuf {
int avail;
int used;
int size;
int dtype;
int jhead;
int (*sync_callback)(struct ubifs_info *c, int lnum, int free, int pad);
struct mutex io_mutex;
@ -1469,22 +1466,20 @@ void ubifs_ro_mode(struct ubifs_info *c, int err);
int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,
int len, int even_ebadmsg);
int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
int len, int dtype);
int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len,
int dtype);
int len);
int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len);
int ubifs_leb_unmap(struct ubifs_info *c, int lnum);
int ubifs_leb_map(struct ubifs_info *c, int lnum, int dtype);
int ubifs_leb_map(struct ubifs_info *c, int lnum);
int ubifs_is_mapped(const struct ubifs_info *c, int lnum);
int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len);
int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs,
int dtype);
int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs);
int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf);
int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len,
int lnum, int offs);
int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len,
int lnum, int offs);
int ubifs_write_node(struct ubifs_info *c, void *node, int len, int lnum,
int offs, int dtype);
int offs);
int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
int offs, int quiet, int must_chk_crc);
void ubifs_prepare_node(struct ubifs_info *c, void *buf, int len, int pad);

27
include/linux/mtd/ubi.h
View file

@ -208,12 +208,12 @@ void ubi_close_volume(struct ubi_volume_desc *desc);
int ubi_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
int len, int check);
int ubi_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf,
int offset, int len, int dtype);
int offset, int len);
int ubi_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
int len, int dtype);
int len);
int ubi_leb_erase(struct ubi_volume_desc *desc, int lnum);
int ubi_leb_unmap(struct ubi_volume_desc *desc, int lnum);
int ubi_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype);
int ubi_leb_map(struct ubi_volume_desc *desc, int lnum);
int ubi_is_mapped(struct ubi_volume_desc *desc, int lnum);
int ubi_sync(int ubi_num);
@ -226,25 +226,4 @@ static inline int ubi_read(struct ubi_volume_desc *desc, int lnum, char *buf,
{
return ubi_leb_read(desc, lnum, buf, offset, len, 0);
}
/*
* This function is the same as the 'ubi_leb_write()' functions, but it does
* not have the data type argument.
*/
static inline int ubi_write(struct ubi_volume_desc *desc, int lnum,
const void *buf, int offset, int len)
{
return ubi_leb_write(desc, lnum, buf, offset, len, UBI_UNKNOWN);
}
/*
* This function is the same as the 'ubi_leb_change()' functions, but it does
* not have the data type argument.
*/
static inline int ubi_change(struct ubi_volume_desc *desc, int lnum,
const void *buf, int len)
{
return ubi_leb_change(desc, lnum, buf, len, UBI_UNKNOWN);
}
#endif /* !__LINUX_UBI_H__ */