diff options
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/sb.c | 19 | ||||
| -rw-r--r-- | fs/ubifs/super.c | 8 | ||||
| -rw-r--r-- | fs/ubifs/ubifs.h | 3 |
3 files changed, 8 insertions, 22 deletions
diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index cf7ee2880c57..7e08c8143316 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -497,7 +497,7 @@ failed: * code. Note, the user of this function is responsible of kfree()'ing the * returned superblock buffer. */ -struct ubifs_sb_node *ubifs_read_sb_node(struct ubifs_info *c) +static struct ubifs_sb_node *ubifs_read_sb_node(struct ubifs_info *c) { struct ubifs_sb_node *sup; int err; @@ -554,6 +554,8 @@ int ubifs_read_superblock(struct ubifs_info *c) if (IS_ERR(sup)) return PTR_ERR(sup); + c->sup_node = sup; + c->fmt_version = le32_to_cpu(sup->fmt_version); c->ro_compat_version = le32_to_cpu(sup->ro_compat_version); @@ -685,7 +687,6 @@ int ubifs_read_superblock(struct ubifs_info *c) err = validate_sb(c, sup); out: - kfree(sup); return err; } @@ -814,7 +815,7 @@ out: int ubifs_fixup_free_space(struct ubifs_info *c) { int err; - struct ubifs_sb_node *sup; + struct ubifs_sb_node *sup = c->sup_node; ubifs_assert(c, c->space_fixup); ubifs_assert(c, !c->ro_mount); @@ -825,16 +826,11 @@ int ubifs_fixup_free_space(struct ubifs_info *c) if (err) return err; - sup = ubifs_read_sb_node(c); - if (IS_ERR(sup)) - return PTR_ERR(sup); - /* Free-space fixup is no longer required */ c->space_fixup = 0; sup->flags &= cpu_to_le32(~UBIFS_FLG_SPACE_FIXUP); err = ubifs_write_sb_node(c, sup); - kfree(sup); if (err) return err; @@ -845,7 +841,7 @@ int ubifs_fixup_free_space(struct ubifs_info *c) int ubifs_enable_encryption(struct ubifs_info *c) { int err; - struct ubifs_sb_node *sup; + struct ubifs_sb_node *sup = c->sup_node; if (c->encrypted) return 0; @@ -858,16 +854,11 @@ int ubifs_enable_encryption(struct ubifs_info *c) return -EINVAL; } - sup = ubifs_read_sb_node(c); - if (IS_ERR(sup)) - return PTR_ERR(sup); - sup->flags |= cpu_to_le32(UBIFS_FLG_ENCRYPTION); err = ubifs_write_sb_node(c, sup); if (!err) c->encrypted = 1; - kfree(sup); return err; } diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index fec62e9dfbe6..70a64e00f0a8 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -1605,16 +1605,10 @@ static int ubifs_remount_rw(struct ubifs_info *c) goto out; if (c->old_leb_cnt != c->leb_cnt) { - struct ubifs_sb_node *sup; + struct ubifs_sb_node *sup = c->sup_node; - sup = ubifs_read_sb_node(c); - if (IS_ERR(sup)) { - err = PTR_ERR(sup); - goto out; - } sup->leb_cnt = cpu_to_le32(c->leb_cnt); err = ubifs_write_sb_node(c, sup); - kfree(sup); if (err) goto out; } diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 306cc7a4f725..93e1c34c097f 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -983,6 +983,7 @@ struct ubifs_debug_info; * struct ubifs_info - UBIFS file-system description data structure * (per-superblock). * @vfs_sb: VFS @struct super_block object + * @sup_node: The super block node as read from the device * * @highest_inum: highest used inode number * @max_sqnum: current global sequence number @@ -1230,6 +1231,7 @@ struct ubifs_debug_info; */ struct ubifs_info { struct super_block *vfs_sb; + struct ubifs_sb_node *sup_node; ino_t highest_inum; unsigned long long max_sqnum; @@ -1664,7 +1666,6 @@ int ubifs_write_master(struct ubifs_info *c); /* sb.c */ int ubifs_read_superblock(struct ubifs_info *c); -struct ubifs_sb_node *ubifs_read_sb_node(struct ubifs_info *c); int ubifs_write_sb_node(struct ubifs_info *c, struct ubifs_sb_node *sup); int ubifs_fixup_free_space(struct ubifs_info *c); int ubifs_enable_encryption(struct ubifs_info *c); |