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path: root/drivers/mtd/ubi/kapi.c
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Diffstat (limited to 'drivers/mtd/ubi/kapi.c')
-rw-r--r--drivers/mtd/ubi/kapi.c61
1 files changed, 36 insertions, 25 deletions
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index 9fdb35367fe..3aac1acceeb 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -221,7 +221,7 @@ out_free:
kfree(desc);
out_put_ubi:
ubi_put_device(ubi);
- dbg_err("cannot open device %d, volume %d, error %d",
+ ubi_err("cannot open device %d, volume %d, error %d",
ubi_num, vol_id, err);
return ERR_PTR(err);
}
@@ -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);
@@ -562,7 +551,7 @@ int ubi_leb_erase(struct ubi_volume_desc *desc, int lnum)
if (err)
return err;
- return ubi_wl_flush(ubi);
+ return ubi_wl_flush(ubi, vol->vol_id, lnum);
}
EXPORT_SYMBOL_GPL(ubi_leb_erase);
@@ -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);
@@ -720,6 +704,33 @@ int ubi_sync(int ubi_num)
}
EXPORT_SYMBOL_GPL(ubi_sync);
+/**
+ * ubi_flush - flush UBI work queue.
+ * @ubi_num: UBI device to flush work queue
+ * @vol_id: volume id to flush for
+ * @lnum: logical eraseblock number to flush for
+ *
+ * This function executes all pending works for a particular volume id / logical
+ * eraseblock number pair. If either value is set to %UBI_ALL, then it acts as
+ * a wildcard for all of the corresponding volume numbers or logical
+ * eraseblock numbers. It returns zero in case of success and a negative error
+ * code in case of failure.
+ */
+int ubi_flush(int ubi_num, int vol_id, int lnum)
+{
+ struct ubi_device *ubi;
+ int err = 0;
+
+ ubi = ubi_get_device(ubi_num);
+ if (!ubi)
+ return -ENODEV;
+
+ err = ubi_wl_flush(ubi, vol_id, lnum);
+ ubi_put_device(ubi);
+ return err;
+}
+EXPORT_SYMBOL_GPL(ubi_flush);
+
BLOCKING_NOTIFIER_HEAD(ubi_notifiers);
/**