diff options
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 21 | ||||
| -rw-r--r-- | fs/ubifs/key.h | 6 | ||||
| -rw-r--r-- | fs/ubifs/xattr.c | 4 |
3 files changed, 26 insertions, 5 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 56065632a5b8..17ec948ac40e 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -628,6 +628,7 @@ static int do_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, return __erase_worker(ubi, &wl_wrk); } +static int ensure_wear_leveling(struct ubi_device *ubi, int nested); /** * wear_leveling_worker - wear-leveling worker function. * @ubi: UBI device description object @@ -649,6 +650,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, #endif struct ubi_wl_entry *e1, *e2; struct ubi_vid_hdr *vid_hdr; + int dst_leb_clean = 0; kfree(wrk); if (shutdown) @@ -753,6 +755,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, err = ubi_io_read_vid_hdr(ubi, e1->pnum, vid_hdr, 0); if (err && err != UBI_IO_BITFLIPS) { + dst_leb_clean = 1; if (err == UBI_IO_FF) { /* * We are trying to move PEB without a VID header. UBI @@ -798,10 +801,12 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, * protection queue. */ protect = 1; + dst_leb_clean = 1; goto out_not_moved; } if (err == MOVE_RETRY) { scrubbing = 1; + dst_leb_clean = 1; goto out_not_moved; } if (err == MOVE_TARGET_BITFLIPS || err == MOVE_TARGET_WR_ERR || @@ -827,6 +832,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, ubi->erroneous_peb_count); goto out_error; } + dst_leb_clean = 1; erroneous = 1; goto out_not_moved; } @@ -897,15 +903,24 @@ out_not_moved: wl_tree_add(e1, &ubi->scrub); else wl_tree_add(e1, &ubi->used); + if (dst_leb_clean) { + wl_tree_add(e2, &ubi->free); + ubi->free_count++; + } + ubi_assert(!ubi->move_to_put); ubi->move_from = ubi->move_to = NULL; ubi->wl_scheduled = 0; spin_unlock(&ubi->wl_lock); ubi_free_vid_hdr(ubi, vid_hdr); - err = do_sync_erase(ubi, e2, vol_id, lnum, torture); - if (err) - goto out_ro; + if (dst_leb_clean) { + ensure_wear_leveling(ubi, 1); + } else { + err = do_sync_erase(ubi, e2, vol_id, lnum, torture); + if (err) + goto out_ro; + } mutex_unlock(&ubi->move_mutex); return 0; diff --git a/fs/ubifs/key.h b/fs/ubifs/key.h index 92a8491a8f8c..c0a95e393347 100644 --- a/fs/ubifs/key.h +++ b/fs/ubifs/key.h @@ -34,6 +34,12 @@ * node. We use "r5" hash borrowed from reiserfs. */ +/* + * Lot's of the key helpers require a struct ubifs_info *c as the first parameter. + * But we are not using it at all currently. That's designed for future extensions of + * different c->key_format. But right now, there is only one key type, UBIFS_SIMPLE_KEY_FMT. + */ + #ifndef __UBIFS_KEY_H__ #define __UBIFS_KEY_H__ diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c index e8b01b721e99..e53292d0c21b 100644 --- a/fs/ubifs/xattr.c +++ b/fs/ubifs/xattr.c @@ -267,7 +267,7 @@ static int check_namespace(const struct qstr *nm) if (!strncmp(nm->name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) { - if (nm->name[sizeof(XATTR_TRUSTED_PREFIX) - 1] == '\0') + if (nm->name[XATTR_TRUSTED_PREFIX_LEN] == '\0') return -EINVAL; type = TRUSTED_XATTR; } else if (!strncmp(nm->name, XATTR_USER_PREFIX, @@ -277,7 +277,7 @@ static int check_namespace(const struct qstr *nm) type = USER_XATTR; } else if (!strncmp(nm->name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN)) { - if (nm->name[sizeof(XATTR_SECURITY_PREFIX) - 1] == '\0') + if (nm->name[XATTR_SECURITY_PREFIX_LEN] == '\0') return -EINVAL; type = SECURITY_XATTR; } else |