static void
fsync_devices (void)
{
DIR *dir;
struct dirent *d;
char dev_path[256];
int fd;
dir = opendir ("/sys/block");
if (!dir) {
perror ("opendir: /sys/block");
return;
}
for (;;) {
errno = 0;
d = readdir(dir);
if (!d) break;
if (STREQLEN (d->d_name, "sd", 2) ||
STREQLEN (d->d_name, "hd", 2) ||
STREQLEN (d->d_name, "ubd", 3) ||
STREQLEN (d->d_name, "vd", 2) ||
STREQLEN (d->d_name, "sr", 2)) {
snprintf (dev_path, sizeof dev_path, "/dev/%s", d->d_name);
/* Ignore the root device. */
if (is_root_device (dev_path))
continue;
fd = open (dev_path, O_RDONLY|O_CLOEXEC);
if (fd == -1) {
perror (dev_path);
continue;
}
/* fsync the device. */
if (verbose)
fprintf (stderr, "fsync %s\n", dev_path);
if (fsync (fd) == -1)
perror ("fsync");
if (close (fd) == -1)
perror ("close");
}
}
/* Check readdir didn't fail */
if (errno != 0)
perror ("readdir: /sys/block");
/* Close the directory handle */
if (closedir (dir) == -1)
perror ("closedir: /sys/block");
}
int
do_mke2fs (const char *device, /* 0 */
int64_t blockscount,
int64_t blocksize,
int64_t fragsize,
int64_t blockspergroup,
int64_t numberofgroups, /* 5 */
int64_t bytesperinode,
int64_t inodesize,
int64_t journalsize,
int64_t numberofinodes,
int64_t stridesize, /* 10 */
int64_t stripewidth,
int64_t maxonlineresize,
int reservedblockspercentage,
int mmpupdateinterval,
const char *journaldevice, /* 15 */
const char *label,
const char *lastmounteddir,
const char *creatoros,
const char *fstype,
const char *usagetype, /* 20 */
const char *uuid,
int forcecreate,
int writesbandgrouponly,
int lazyitableinit,
int lazyjournalinit, /* 25 */
int testfs,
int discard,
int quotatype,
int extent,
int filetype, /* 30 */
int flexbg,
int hasjournal,
int journaldev,
int largefile,
int quota, /* 35 */
int resizeinode,
int sparsesuper,
int uninitbg)
{
int r;
CLEANUP_FREE char *err = NULL;
const char *argv[MAX_ARGS];
char blockscount_s[64];
char blocksize_s[64];
char fragsize_s[64];
char blockspergroup_s[64];
char numberofgroups_s[64];
char bytesperinode_s[64];
char inodesize_s[64];
char journalsize_s[64];
CLEANUP_FREE char *journaldevice_translated = NULL;
CLEANUP_FREE char *journaldevice_s = NULL;
char reservedblockspercentage_s[64];
char numberofinodes_s[64];
char mmpupdateinterval_s[84];
char stridesize_s[74];
char stripewidth_s[84];
char maxonlineresize_s[74];
size_t i = 0;
ADD_ARG (argv, i, str_mke2fs);
if (optargs_bitmask & GUESTFS_MKE2FS_BLOCKSIZE_BITMASK) {
if (blocksize < 0) {
reply_with_error ("blocksize must be >= 0");
return -1;
}
snprintf (blocksize_s, sizeof blocksize_s, "%" PRIi64, blocksize);
ADD_ARG (argv, i, "-b");
ADD_ARG (argv, i, blocksize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_FRAGSIZE_BITMASK) {
if (fragsize < 0) {
reply_with_error ("fragsize must be >= 0");
return -1;
}
snprintf (fragsize_s, sizeof fragsize_s, "%" PRIi64, fragsize);
ADD_ARG (argv, i, "-f");
ADD_ARG (argv, i, fragsize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_FORCECREATE_BITMASK) {
if (forcecreate)
ADD_ARG (argv, i, "-F");
}
if (optargs_bitmask & GUESTFS_MKE2FS_BLOCKSPERGROUP_BITMASK) {
if (blockspergroup < 0) {
reply_with_error ("blockspergroup must be >= 0");
return -1;
}
snprintf (blockspergroup_s, sizeof blockspergroup_s,
"%" PRIi64, blockspergroup);
ADD_ARG (argv, i, "-g");
ADD_ARG (argv, i, blockspergroup_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_NUMBEROFGROUPS_BITMASK) {
if (numberofgroups < 0) {
reply_with_error ("numberofgroups must be >= 0");
return -1;
}
snprintf (numberofgroups_s, sizeof numberofgroups_s,
"%" PRIi64, numberofgroups);
ADD_ARG (argv, i, "-G");
ADD_ARG (argv, i, numberofgroups_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_BYTESPERINODE_BITMASK) {
if (bytesperinode < 0) {
reply_with_error ("bytesperinode must be >= 0");
return -1;
}
snprintf (bytesperinode_s, sizeof bytesperinode_s, "%" PRIi64, bytesperinode);
ADD_ARG (argv, i, "-i");
ADD_ARG (argv, i, bytesperinode_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_INODESIZE_BITMASK) {
if (inodesize < 0) {
reply_with_error ("inodesize must be >= 0");
return -1;
}
snprintf (inodesize_s, sizeof inodesize_s, "%" PRIi64, inodesize);
ADD_ARG (argv, i, "-I");
ADD_ARG (argv, i, inodesize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_JOURNALSIZE_BITMASK) {
if (journalsize < 0) {
reply_with_error ("journalsize must be >= 0");
return -1;
}
snprintf (journalsize_s, sizeof journalsize_s,
"size=" "%" PRIi64, journalsize);
ADD_ARG (argv, i, "-J");
ADD_ARG (argv, i, journalsize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_JOURNALDEVICE_BITMASK) {
if (journaldevice) {
/* OString doesn't do device name translation (RHBZ#876579). We
* have to do it manually here, but note that LABEL=.. and
* UUID=.. are valid strings which do not require translation.
*/
if (STRPREFIX (journaldevice, "/dev/")) {
if (is_root_device (journaldevice)) {
reply_with_error ("%s: device not found", journaldevice);
return -1;
}
journaldevice_translated = device_name_translation (journaldevice);
if (journaldevice_translated == NULL) {
reply_with_perror ("%s", journaldevice);
return -1;
}
journaldevice_s = malloc (strlen (journaldevice_translated) + 8);
if (!journaldevice_s) {
reply_with_perror ("malloc");
return -1;
}
sprintf (journaldevice_s, "device=%s", journaldevice_translated);
}
else {
journaldevice_s = malloc (strlen (journaldevice) + 8);
if (!journaldevice_s) {
reply_with_perror ("malloc");
return -1;
}
sprintf (journaldevice_s, "device=%s", journaldevice);
}
ADD_ARG (argv, i, "-J");
ADD_ARG (argv, i, journaldevice_s);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_LABEL_BITMASK) {
if (label) {
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_RESERVEDBLOCKSPERCENTAGE_BITMASK) {
if (reservedblockspercentage < 0) {
reply_with_error ("reservedblockspercentage must be >= 0");
return -1;
}
snprintf (reservedblockspercentage_s, sizeof reservedblockspercentage_s,
"%" PRIi32, reservedblockspercentage);
ADD_ARG (argv, i, "-m");
ADD_ARG (argv, i, reservedblockspercentage_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_LASTMOUNTEDDIR_BITMASK) {
if (lastmounteddir) {
ADD_ARG (argv, i, "-M");
ADD_ARG (argv, i, lastmounteddir);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_NUMBEROFINODES_BITMASK) {
if (numberofinodes < 0) {
reply_with_error ("numberofinodes must be >= 0");
return -1;
}
snprintf (numberofinodes_s, sizeof numberofinodes_s,
"%" PRIi64, numberofinodes);
ADD_ARG (argv, i, "-N");
ADD_ARG (argv, i, numberofinodes_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_CREATOROS_BITMASK) {
if (creatoros) {
ADD_ARG (argv, i, "-o");
ADD_ARG (argv, i, creatoros);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_WRITESBANDGROUPONLY_BITMASK) {
if (writesbandgrouponly)
ADD_ARG (argv, i, "-S");
}
if (optargs_bitmask & GUESTFS_MKE2FS_FSTYPE_BITMASK) {
if (fstype) {
if (!fstype_is_extfs (fstype)) {
reply_with_error ("%s: not a valid extended filesystem type", fstype);
return -1;
}
ADD_ARG (argv, i, "-t");
ADD_ARG (argv, i, fstype);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_USAGETYPE_BITMASK) {
if (usagetype) {
ADD_ARG (argv, i, "-T");
ADD_ARG (argv, i, usagetype);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_UUID_BITMASK) {
if (uuid) {
ADD_ARG (argv, i, "-U");
ADD_ARG (argv, i, uuid);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_MMPUPDATEINTERVAL_BITMASK) {
if (mmpupdateinterval < 0) {
reply_with_error ("mmpupdateinterval must be >= 0");
return -1;
}
snprintf (mmpupdateinterval_s, sizeof mmpupdateinterval_s,
"mmp_update_interval=" "%" PRIi32, mmpupdateinterval);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, mmpupdateinterval_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_STRIDESIZE_BITMASK) {
if (stridesize < 0) {
reply_with_error ("stridesize must be >= 0");
return -1;
}
snprintf (stridesize_s, sizeof stridesize_s,
"stride=" "%" PRIi64, stridesize);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, stridesize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_STRIPEWIDTH_BITMASK) {
if (stripewidth< 0) {
reply_with_error ("stripewidth must be >= 0");
return -1;
}
snprintf (stripewidth_s, sizeof stripewidth_s,
"stripe_width=" "%" PRIi64, stripewidth);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, stripewidth_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_MAXONLINERESIZE_BITMASK) {
if (maxonlineresize < 0) {
reply_with_error ("maxonlineresize must be >= 0");
return -1;
}
snprintf (maxonlineresize_s, sizeof maxonlineresize_s,
"resize=" "%" PRIi64, maxonlineresize);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, maxonlineresize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_LAZYITABLEINIT_BITMASK) {
ADD_ARG (argv, i, "-E");
if (lazyitableinit)
ADD_ARG (argv, i, "lazy_itable_init=1");
else
ADD_ARG (argv, i, "lazy_itable_init=0");
}
if (optargs_bitmask & GUESTFS_MKE2FS_LAZYJOURNALINIT_BITMASK) {
ADD_ARG (argv, i, "-E");
if (lazyjournalinit)
ADD_ARG (argv, i, "lazy_journal_init=1");
else
ADD_ARG (argv, i, "lazy_journal_init=0");
}
if (optargs_bitmask & GUESTFS_MKE2FS_TESTFS_BITMASK) {
if (testfs) {
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, "test_fs");
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_DISCARD_BITMASK) {
ADD_ARG (argv, i, "-E");
if (discard)
ADD_ARG (argv, i, "discard");
else
ADD_ARG (argv, i, "nodiscard");
}
if (optargs_bitmask & GUESTFS_MKE2FS_EXTENT_BITMASK) {
ADD_ARG (argv, i, "-O");
if (extent)
ADD_ARG (argv, i, "extent");
else
ADD_ARG (argv, i, "^extent");
}
if (optargs_bitmask & GUESTFS_MKE2FS_FILETYPE_BITMASK) {
ADD_ARG (argv, i, "-O");
if (filetype)
ADD_ARG (argv, i, "filetype");
else
ADD_ARG (argv, i, "^filetype");
}
if (optargs_bitmask & GUESTFS_MKE2FS_FLEXBG_BITMASK) {
ADD_ARG (argv, i, "-O");
if (flexbg)
ADD_ARG (argv, i, "flexbg");
else
ADD_ARG (argv, i, "^flexbg");
}
if (optargs_bitmask & GUESTFS_MKE2FS_HASJOURNAL_BITMASK) {
ADD_ARG (argv, i, "-O");
if (hasjournal)
ADD_ARG (argv, i, "has_journal");
else
ADD_ARG (argv, i, "^has_journal");
}
if (optargs_bitmask & GUESTFS_MKE2FS_JOURNALDEV_BITMASK) {
ADD_ARG (argv, i, "-O");
if (journaldev)
ADD_ARG (argv, i, "journal_dev");
else
ADD_ARG (argv, i, "^journal_dev");
}
if (optargs_bitmask & GUESTFS_MKE2FS_LARGEFILE_BITMASK) {
ADD_ARG (argv, i, "-O");
if (largefile)
ADD_ARG (argv, i, "large_file");
else
ADD_ARG (argv, i, "^large_file");
}
if (optargs_bitmask & GUESTFS_MKE2FS_QUOTA_BITMASK) {
ADD_ARG (argv, i, "-O");
if (quota)
ADD_ARG (argv, i, "quota");
else
ADD_ARG (argv, i, "^quota");
}
if (optargs_bitmask & GUESTFS_MKE2FS_RESIZEINODE_BITMASK) {
ADD_ARG (argv, i, "-O");
if (resizeinode)
ADD_ARG (argv, i, "resize_inode");
else
ADD_ARG (argv, i, "^resize_inode");
}
if (optargs_bitmask & GUESTFS_MKE2FS_SPARSESUPER_BITMASK) {
ADD_ARG (argv, i, "-O");
if (sparsesuper)
ADD_ARG (argv, i, "sparse_super");
else
ADD_ARG (argv, i, "^sparse_super");
}
if (optargs_bitmask & GUESTFS_MKE2FS_UNINITBG_BITMASK) {
ADD_ARG (argv, i, "-O");
if (uninitbg)
ADD_ARG (argv, i, "uninit_bg");
else
ADD_ARG (argv, i, "^uninit_bg");
}
ADD_ARG (argv, i, device);
if (optargs_bitmask & GUESTFS_MKE2FS_BLOCKSCOUNT_BITMASK) {
if (blockscount < 0) {
reply_with_error ("blockscount must be >= 0");
return -1;
}
snprintf (blockscount_s, sizeof blockscount_s, "%" PRIi64, blockscount);
ADD_ARG (argv, i, blockscount_s);
}
ADD_ARG (argv, i, NULL);
wipe_device_before_mkfs (device);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s: %s", device, err);
return -1;
}
return 0;
}
