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author | Hans de Goede <hdegoede@redhat.com> | 2015-09-18 01:46:57 +0300 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2015-10-24 20:50:32 +0300 |
commit | 29cc5bcadfc36957574fd0d17238a23419cac7da (patch) | |
tree | 1c1d4809fc140cf0078b6e860008e004f5bcd367 /fs/ubifs/ubifs.c | |
parent | ad15749b6d2b26bf7afe8a9d8724027ba1165b25 (diff) | |
download | u-boot-29cc5bcadfc36957574fd0d17238a23419cac7da.tar.xz |
ubifs: Add functions for generic fs use
Implement the necessary functions for implementing generic fs support
for ubifs.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'fs/ubifs/ubifs.c')
-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 0a7a7bff09..d7f307b02b 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) { |