X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fmkfs.c;h=fc798c4597f510865aab028d22b7e4dc897e9d73;hb=2c57305f72cd6181d1849ae6e1b892aa01c7f844;hp=ea9fd7f95f78863116cd5b5aa1b6f1b92fd095ac;hpb=227bea6c7ef89b707fe2c01c4d0d0fb9081e8c04;p=libguestfs.git diff --git a/daemon/mkfs.c b/daemon/mkfs.c index ea9fd7f..fc798c4 100644 --- a/daemon/mkfs.c +++ b/daemon/mkfs.c @@ -33,21 +33,28 @@ /* Takes optional arguments, consult optargs_bitmask. */ int -do_mkfs_opts (const char *fstype, const char *device, int blocksize, const char *features) +do_mkfs_opts (const char *fstype, const char *device, int blocksize, + const char *features, int inode, int sectorsize) { const char *argv[MAX_ARGS]; size_t i = 0; char blocksize_str[32]; + char inode_str[32]; + char sectorsize_str[32]; int r; char *err; + char mke2fs[] = "mke2fs"; /* For ext2/3/4 run the mke2fs program directly. This is because * the mkfs program "eats" some options, in particular the -F * option. */ if (STREQ (fstype, "ext2") || STREQ (fstype, "ext3") || - STREQ (fstype, "ext4")) - argv[i++] = "mke2fs"; + STREQ (fstype, "ext4")) { + if (e2prog (mke2fs) == -1) + return -1; + argv[i++] = mke2fs; + } else argv[i++] = "mkfs"; @@ -136,6 +143,39 @@ do_mkfs_opts (const char *fstype, const char *device, int blocksize, const char argv[i++] = features; } + if (optargs_bitmask & GUESTFS_MKFS_OPTS_INODE_BITMASK) { + if (!STREQ (fstype, "ext2") && !STREQ (fstype, "ext3") && + !STREQ (fstype, "ext4")) { + reply_with_error ("inode size (-I) can only be set on ext2/3/4 filesystems"); + return -1; + } + + if (inode <= 0) { + reply_with_error ("inode size must be larger than zero"); + return -1; + } + + snprintf (inode_str, sizeof inode_str, "%d", inode); + argv[i++] = "-I"; + argv[i++] = inode_str; + } + + if (optargs_bitmask & GUESTFS_MKFS_OPTS_SECTORSIZE_BITMASK) { + if (!STREQ (fstype, "ufs")) { + reply_with_error ("sector size (-S) can only be set on ufs filesystems"); + return -1; + } + + if (sectorsize <= 0) { + reply_with_error ("sector size must be larger than zero"); + return -1; + } + + snprintf (sectorsize_str, sizeof sectorsize_str, "%d", sectorsize); + argv[i++] = "-S"; + argv[i++] = sectorsize_str; + } + argv[i++] = device; argv[i++] = NULL; @@ -157,12 +197,12 @@ int do_mkfs (const char *fstype, const char *device) { optargs_bitmask = 0; - return do_mkfs_opts (fstype, device, 0, 0); + return do_mkfs_opts (fstype, device, 0, 0, 0, 0); } int do_mkfs_b (const char *fstype, int blocksize, const char *device) { optargs_bitmask = GUESTFS_MKFS_OPTS_BLOCKSIZE_BITMASK; - return do_mkfs_opts (fstype, device, blocksize, 0); + return do_mkfs_opts (fstype, device, blocksize, 0, 0, 0); }