Add hook for UBI bakvol in ubifs layer. open/close bakvol operation in ubifs mount.
Signed-off-by: Bean Huo <[email protected]> --- fs/ubifs/super.c | 6 ++++++ fs/ubifs/ubifs.h | 1 + 2 files changed, 7 insertions(+) diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 9547a278..f3bf548 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -1463,6 +1463,8 @@ static int mount_ubifs(struct ubifs_info *c) dbg_gen("max. seq. number: %llu", c->max_sqnum); dbg_gen("commit number: %llu", c->cmt_no); + init_bakvol(c->ubi, 1); + return 0; out_infos: @@ -1774,6 +1776,10 @@ static void ubifs_put_super(struct super_block *sb) * the mutex is locked. */ mutex_lock(&c->umount_mutex); + + /* Disable ubi MLC power loss backup function */ + init_bakvol(c->ubi, 0); + if (!c->ro_mount) { /* * First of all kill the background thread to make sure it does diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index de75902..4af2d5a 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -1479,6 +1479,7 @@ extern const struct inode_operations ubifs_dir_inode_operations; extern const struct inode_operations ubifs_symlink_inode_operations; extern struct backing_dev_info ubifs_backing_dev_info; extern struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT]; +extern void init_bakvol(struct ubi_volume_desc *desc, uint8_t choice); /* io.c */ void ubifs_ro_mode(struct ubifs_info *c, int err); -- 1.9.1
