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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-05-18 12:41:17 +0300
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-05-20 20:26:04 +0300
commit47e1ec70b2c57f39752ae3210d89a625768f3e12 (patch)
tree6416115fb9753c5e44c6fd8d5eb15b8e55339af3 /drivers/mtd/ubi/build.c
parent41e0cd9d4eeff0895e66cad5c70a90ba41023ea3 (diff)
UBI: move and rename attach_by_scanning
Rename the 'attach_by_scanning()' function to 'ubi_attach()' and move it to scan.c. Richard will plug his fastmap stuff there. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'drivers/mtd/ubi/build.c')
-rw-r--r--drivers/mtd/ubi/build.c65
1 files changed, 6 insertions, 59 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index ecedd75aae0..2c5ed5ca9c3 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -550,10 +550,10 @@ static void uif_close(struct ubi_device *ubi)
}
/**
- * free_internal_volumes - free internal volumes.
+ * ubi_free_internal_volumes - free internal volumes.
* @ubi: UBI device description object
*/
-static void free_internal_volumes(struct ubi_device *ubi)
+void ubi_free_internal_volumes(struct ubi_device *ubi)
{
int i;
@@ -565,59 +565,6 @@ static void free_internal_volumes(struct ubi_device *ubi)
}
/**
- * attach_by_scanning - attach an MTD device using scanning method.
- * @ubi: UBI device descriptor
- *
- * This function returns zero in case of success and a negative error code in
- * case of failure.
- *
- * Note, currently this is the only method to attach UBI devices. Hopefully in
- * the future we'll have more scalable attaching methods and avoid full media
- * scanning. But even in this case scanning will be needed as a fall-back
- * attaching method if there are some on-flash table corruptions.
- */
-static int attach_by_scanning(struct ubi_device *ubi)
-{
- int err;
- struct ubi_attach_info *ai;
-
- ai = ubi_scan(ubi);
- if (IS_ERR(ai))
- return PTR_ERR(ai);
-
- ubi->bad_peb_count = ai->bad_peb_count;
- ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count;
- 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, ai);
- if (err)
- goto out_ai;
-
- err = ubi_wl_init(ubi, ai);
- if (err)
- goto out_vtbl;
-
- err = ubi_eba_init(ubi, ai);
- if (err)
- goto out_wl;
-
- ubi_destroy_ai(ai);
- return 0;
-
-out_wl:
- ubi_wl_close(ubi);
-out_vtbl:
- free_internal_volumes(ubi);
- vfree(ubi->vtbl);
-out_ai:
- ubi_destroy_ai(ai);
- return err;
-}
-
-/**
* io_init - initialize I/O sub-system for a given UBI device.
* @ubi: UBI device description object
*
@@ -949,9 +896,9 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset)
if (err)
goto out_free;
- err = attach_by_scanning(ubi);
+ err = ubi_attach(ubi);
if (err) {
- ubi_err("failed to attach by scanning, error %d", err);
+ ubi_err("failed to attach mtd%d, error %d", mtd->index, err);
goto out_debugging;
}
@@ -1016,7 +963,7 @@ out_uif:
uif_close(ubi);
out_detach:
ubi_wl_close(ubi);
- free_internal_volumes(ubi);
+ ubi_free_internal_volumes(ubi);
vfree(ubi->vtbl);
out_debugging:
ubi_debugging_exit_dev(ubi);
@@ -1088,7 +1035,7 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
ubi_debugfs_exit_dev(ubi);
uif_close(ubi);
ubi_wl_close(ubi);
- free_internal_volumes(ubi);
+ ubi_free_internal_volumes(ubi);
vfree(ubi->vtbl);
put_mtd_device(ubi->mtd);
ubi_debugging_exit_dev(ubi);