diff options
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/ubifs.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c index 0a7a7bf..d7f307b 100644 --- a/fs/ubifs/ubifs.c +++ b/fs/ubifs/ubifs.c @@ -570,6 +570,25 @@ static unsigned long ubifs_findfile(struct super_block *sb, char *filename) return 0; } +int ubifs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info) +{ + if (rbdd) { + debug("UBIFS cannot be used with normal block devices\n"); + return -1; + } + + /* + * Should never happen since get_device_and_partition() already checks + * this, but better safe then sorry. + */ + if (!ubifs_is_mounted()) { + debug("UBIFS not mounted, use ubifsmount to mount volume first!\n"); + return -1; + } + + return 0; +} + int ubifs_ls(const char *filename) { struct ubifs_info *c = ubifs_sb->s_fs_info; @@ -618,6 +637,48 @@ out: return ret; } +int ubifs_exists(const char *filename) +{ + struct ubifs_info *c = ubifs_sb->s_fs_info; + unsigned long inum; + + c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READONLY); + inum = ubifs_findfile(ubifs_sb, (char *)filename); + ubi_close_volume(c->ubi); + + return inum != 0; +} + +int ubifs_size(const char *filename, loff_t *size) +{ + struct ubifs_info *c = ubifs_sb->s_fs_info; + unsigned long inum; + struct inode *inode; + int err = 0; + + c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READONLY); + + inum = ubifs_findfile(ubifs_sb, (char *)filename); + if (!inum) { + err = -1; + goto out; + } + + inode = ubifs_iget(ubifs_sb, inum); + if (IS_ERR(inode)) { + printf("%s: Error reading inode %ld!\n", __func__, inum); + err = PTR_ERR(inode); + goto out; + } + + *size = inode->i_size; + + ubifs_iput(inode); +out: + ubi_close_volume(c->ubi); + return err; +} + /* * ubifsload... */ @@ -875,6 +936,10 @@ out: return err; } +void ubifs_close(void) +{ +} + /* Compat wrappers for common/cmd_ubifs.c */ int ubifs_load(char *filename, u32 addr, u32 size) { |