diff options
author | Eric Andersen | 2000-08-02 18:48:26 +0000 |
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committer | Eric Andersen | 2000-08-02 18:48:26 +0000 |
commit | fdd51033480e6d93af274bfd0df25b14aaea6c3b (patch) | |
tree | 06e7faef9293569687b853590742c91e1e36d940 /util-linux | |
parent | 5ae166813f8a6db9784e75c9b3843e1e30a7465f (diff) | |
download | busybox-fdd51033480e6d93af274bfd0df25b14aaea6c3b.zip busybox-fdd51033480e6d93af274bfd0df25b14aaea6c3b.tar.gz |
Merge in two patches from Dave Cinege:
the first is a cleanup of tar --exclude
the second changes mount so mtab works more as it should, and
also allows mount to use the traditional short form (i.e.
'mount / -o remount,rw' now works.
While inside tar, I changed it to use getopt...
-Erik
Diffstat (limited to 'util-linux')
-rw-r--r-- | util-linux/mount.c | 88 |
1 files changed, 56 insertions, 32 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c index 6e95cdc..9f25e05 100644 --- a/util-linux/mount.c +++ b/util-linux/mount.c @@ -34,6 +34,13 @@ * * 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's * mount to add loop support. + * + * 2000-04-30 Dave Cinege <dcinege@psychosis.com> + * Rewrote fstab while loop and lower mount section. Can now do + * single mounts from fstab. Can override fstab options for single + * mount. Common mount_one call for single mounts and 'all'. Fixed + * mtab updating and stale entries. Removed 'remount' default. + * */ #include "internal.h" @@ -147,6 +154,7 @@ do_mount(char *specialfile, char *dir, char *filesystemtype, #if defined BB_MTAB if (useMtab == TRUE) { + erase_mtab(specialfile); // Clean any stale entries write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts); } #endif @@ -318,6 +326,8 @@ extern int mount_main(int argc, char **argv) int fakeIt = FALSE; int useMtab = TRUE; int i; + int rc = FALSE; + int fstabmount = FALSE; #if defined BB_FEATURE_USE_DEVPS_PATCH if (argc == 1) { @@ -435,56 +445,70 @@ extern int mount_main(int argc, char **argv) argv++; } - if (all == TRUE) { + if (all == TRUE || directory == NULL) { struct mntent *m; FILE *f = setmntent("/etc/fstab", "r"); + fstabmount = TRUE; if (f == NULL) fatalError( "\nCannot read /etc/fstab: %s\n", strerror (errno)); while ((m = getmntent(f)) != NULL) { - // If the filesystem isn't noauto, - // and isn't swap or nfs, then mount it - if ((!strstr(m->mnt_opts, "noauto")) && - (!strstr(m->mnt_type, "swap")) && - (!strstr(m->mnt_type, "nfs"))) { + if (all == FALSE && directory == NULL && ( + (strcmp(device, m->mnt_fsname) != 0) && + (strcmp(device, m->mnt_dir) != 0) ) ) { + continue; + } + + if (all == TRUE && ( // If we're mounting 'all' + (strstr(m->mnt_opts, "noauto")) || // and the file system isn't noauto, + (strstr(m->mnt_type, "swap")) || // and isn't swap or nfs, then mount it + (strstr(m->mnt_type, "nfs")) ) ) { + continue; + } + + if (all == TRUE || flags == 0) { // Allow single mount to override fstab flags flags = 0; *string_flags = '\0'; parse_mount_options(m->mnt_opts, &flags, string_flags); - if (mount_one(m->mnt_fsname, m->mnt_dir, m->mnt_type, - flags, string_flags, useMtab, fakeIt, - extra_opts, FALSE)==FALSE) - { - /* Try again, but this time try a remount */ - mount_one(m->mnt_fsname, m->mnt_dir, m->mnt_type, - flags|MS_REMOUNT, string_flags, useMtab, fakeIt, - extra_opts, TRUE); - } } - } - endmntent(f); - } else { - if (device && directory) { + + device = strdup(m->mnt_fsname); + directory = strdup(m->mnt_dir); + filesystemType = strdup(m->mnt_type); +singlemount: #ifdef BB_NFSMOUNT if (strchr(device, ':') != NULL) filesystemType = "nfs"; if (strcmp(filesystemType, "nfs") == 0) { - int ret; - ret = nfsmount (device, directory, &flags, - &extra_opts, &string_flags, 1); - if (ret != 0) - fatalError("nfsmount failed: %s\n", strerror(errno)); - } + rc = nfsmount (device, directory, &flags, &extra_opts, &string_flags, 1) + if ( rc != 0) { + fatalError("nfsmount failed: %s\n", strerror(errno)); + rc = FALSE; + } + } else #endif - exit(mount_one(device, directory, filesystemType, - flags, string_flags, useMtab, fakeIt, - extra_opts, TRUE)); - } else { - goto goodbye; + rc = mount_one(device, directory, filesystemType, flags, + string_flags, useMtab, fakeIt, extra_opts, TRUE); + + if (all == FALSE) + break; + + rc = TRUE; // Always return 0 for 'all' } + if (fstabmount == TRUE) + endmntent(f); + + if (all == FALSE && fstabmount == TRUE && directory == NULL) + fprintf(stderr, "Can't find %s in /etc/fstab\n", device); + + exit(rc); } - exit(TRUE); + + goto singlemount; + + exit(FALSE); - goodbye: +goodbye: usage(mount_usage); } |