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authorHeiko Schocher <hs@denx.de>2014-07-15 16:08:43 +0200
committerTom Rini <trini@ti.com>2014-08-25 19:25:56 -0400
commit4e67c57125290b25467134638cefdcc74c6eebeb (patch)
tree852f1d6cb4cfd9177389166fd2c4b2cb1469e430 /drivers/mtd/ubi
parentddf7bcfa6c5a1d9647046c18e4945f0b0686aec5 (diff)
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mtd,ubi,ubifs: sync with linux v3.15
snyc with linux v3.15: commit 1860e379875dfe7271c649058aeddffe5afd9d0d Author: Linus Torvalds <torvalds@linux-foundation.org> Date: Sun Jun 8 11:19:54 2014 -0700 Linux 3.15 Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Scott Wood <scottwood@freescale.com> Cc: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers/mtd/ubi')
-rw-r--r--drivers/mtd/ubi/build.c11
-rw-r--r--drivers/mtd/ubi/ubi.h21
-rw-r--r--drivers/mtd/ubi/wl.c6
3 files changed, 37 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 7094b9c..ff8bf0c 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1331,6 +1331,15 @@ int ubi_init(void)
}
}
+ err = ubiblock_init();
+ if (err) {
+ ubi_err("block: cannot initialize, error %d", err);
+
+ /* See comment above re-ubi_is_module(). */
+ if (ubi_is_module())
+ goto out_detach;
+ }
+
return 0;
out_detach:
@@ -1363,6 +1372,8 @@ void ubi_exit(void)
{
int i;
+ ubiblock_exit();
+
for (i = 0; i < UBI_MAX_DEVICES; i++)
if (ubi_devices[i]) {
mutex_lock(&ubi_devices_mutex);
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 1c39573..20fd704 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -12,7 +12,6 @@
#define __UBOOT__
#ifndef __UBOOT__
-#include <linux/init.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/rbtree.h>
@@ -884,6 +883,26 @@ int ubi_update_fastmap(struct ubi_device *ubi);
int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
int fm_anchor);
+/* block.c */
+#ifdef CONFIG_MTD_UBI_BLOCK
+int ubiblock_init(void);
+void ubiblock_exit(void);
+int ubiblock_create(struct ubi_volume_info *vi);
+int ubiblock_remove(struct ubi_volume_info *vi);
+#else
+static inline int ubiblock_init(void) { return 0; }
+static inline void ubiblock_exit(void) {}
+static inline int ubiblock_create(struct ubi_volume_info *vi)
+{
+ return -ENOSYS;
+}
+static inline int ubiblock_remove(struct ubi_volume_info *vi)
+{
+ return -ENOSYS;
+}
+#endif
+
+
/*
* ubi_rb_for_each_entry - walk an RB-tree.
* @rb: a pointer to type 'struct rb_node' to use as a loop counter
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 2987ffc..1023090 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -672,6 +672,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
+ ubi->free_count--;
+ ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
@@ -685,6 +687,9 @@ int ubi_wl_get_peb(struct ubi_device *ubi)
peb = __wl_get_peb(ubi);
spin_unlock(&ubi->wl_lock);
+ if (peb < 0)
+ return peb;
+
err = ubi_self_check_all_ff(ubi, peb, ubi->vid_hdr_aloffset,
ubi->peb_size - ubi->vid_hdr_aloffset);
if (err) {
@@ -1077,6 +1082,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
/* Give the unused PEB back */
wl_tree_add(e2, &ubi->free);
+ ubi->free_count++;
goto out_cancel;
}
self_check_in_wl_tree(ubi, e1, &ubi->used);