diff options
-rw-r--r-- | fs_mgr/fs_mgr_format.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs_mgr/fs_mgr_format.c b/fs_mgr/fs_mgr_format.c index c73045d..3a75899 100644 --- a/fs_mgr/fs_mgr_format.c +++ b/fs_mgr/fs_mgr_format.c @@ -31,7 +31,7 @@ extern struct fs_info info; /* magic global from ext4_utils */ extern void reset_ext4fs_info(); -static int format_ext4(char *fs_blkdev, char *fs_mnt_point) +static int format_ext4(char *fs_blkdev, char *fs_mnt_point, long long fs_length) { unsigned int nr_sec; int fd, rc = 0; @@ -51,6 +51,12 @@ static int format_ext4(char *fs_blkdev, char *fs_mnt_point) reset_ext4fs_info(); info.len = ((off64_t)nr_sec * 512); + if (fs_length > 0) { + info.len = fs_length; + } else if (fs_length < 0) { + info.len += fs_length; + } + /* Use make_ext4fs_internal to avoid wiping an already-wiped partition. */ rc = make_ext4fs_internal(fd, NULL, NULL, fs_mnt_point, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL); if (rc) { @@ -110,7 +116,7 @@ int fs_mgr_do_format(struct fstab_rec *fstab) if (!strncmp(fstab->fs_type, "f2fs", 4)) { rc = format_f2fs(fstab->blk_device); } else if (!strncmp(fstab->fs_type, "ext4", 4)) { - rc = format_ext4(fstab->blk_device, fstab->mount_point); + rc = format_ext4(fstab->blk_device, fstab->mount_point, fstab->length); } else { ERROR("File system type '%s' is not supported\n", fstab->fs_type); } |