diff options
Diffstat (limited to 'util-linux/mount.c')
| -rw-r--r-- | util-linux/mount.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c index 4750989..f0b4d38 100644 --- a/util-linux/mount.c +++ b/util-linux/mount.c @@ -16,7 +16,7 @@ /* Design notes: There is no spec for this. Remind me to write one. mount_main() calls singlemount() which calls mount_it_now(). - + mount_main() can loop through /etc/fstab for mount -a singlemount() can loop through /etc/filesystems for fstype detection. mount_it_now() does the actual mount. @@ -62,7 +62,7 @@ struct { {"defaults", 0}, {"quiet", 0}, - // vfs flags + // vfs flags {"ro", MS_RDONLY}, {"rw", ~MS_RDONLY}, @@ -79,7 +79,7 @@ struct { {"diratime", ~MS_NODIRATIME}, {"nodiratime", MS_NODIRATIME}, {"loud", ~MS_SILENT}, - + // action flags {"remount", MS_REMOUNT}, @@ -127,23 +127,23 @@ static int parse_mount_options(char *options, char **unrecognized) // If unrecognized not NULL, append unrecognized mount options */ if (unrecognized && i == (sizeof(mount_options) / sizeof(*mount_options))) - { + { // Add it to strflags, to pass on to kernel i = *unrecognized ? strlen(*unrecognized) : 0; *unrecognized = xrealloc(*unrecognized, i+strlen(options)+2); - + // Comma separated if it's not the first one if (i) (*unrecognized)[i++] = ','; strcpy((*unrecognized)+i, options); } - + // Advance to next option, or finish if(comma) { *comma = ','; options = ++comma; } else break; } - + return flags; } @@ -159,16 +159,16 @@ static llist_t *get_block_backed_filesystems(void) for(i = 0; filesystems[i]; i++) { if(!(f = fopen(filesystems[i], "r"))) continue; - + for(fs = buf = 0; (fs = buf = bb_get_chomped_line_from_file(f)); free(buf)) { if(!strncmp(buf,"nodev",5) && isspace(buf[5])) continue; - + while(isspace(*fs)) fs++; if(*fs=='#' || *fs=='*') continue; if(!*fs) continue; - + list=llist_add_to_end(list,bb_xstrdup(fs)); } if (ENABLE_FEATURE_CLEAN_UP) fclose(f); @@ -226,7 +226,7 @@ static int mount_it_now(struct mntent *mp, int vfsflags) /* If the mount was successful, and we're maintaining an old-style * mtab file by hand, add the new entry to it now. */ - + if(ENABLE_FEATURE_MTAB_SUPPORT && useMtab && !rc) { FILE *mountTable = setmntent(bb_path_mtab_file, "a+"); int i; @@ -255,7 +255,7 @@ static int mount_it_now(struct mntent *mp, int vfsflags) if (ENABLE_FEATURE_CLEAN_UP) if(strcmp(mp->mnt_type,"--bind")) mp->mnt_type = 0; } - + return rc; } @@ -288,7 +288,7 @@ static int singlemount(struct mntent *mp) bb_perror_msg("nfsmount failed"); return 1; } - + // Strangely enough, nfsmount() doesn't actually mount() anything. else return mount_it_now(mp, vfsflags); @@ -298,9 +298,9 @@ static int singlemount(struct mntent *mp) if (lstat(mp->mnt_fsname, &st)); - if (!(vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE))) { + if (!(vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE))) { // Do we need to allocate a loopback device for it? - + if (ENABLE_FEATURE_MOUNT_LOOP && S_ISREG(st.st_mode)) { loopFile = bb_simplify_path(mp->mnt_fsname); mp->mnt_fsname = 0; @@ -341,7 +341,7 @@ static int singlemount(struct mntent *mp) atexit(delete_block_backed_filesystems); #endif } - + for (fl = fslist; fl; fl = fl->link) { mp->mnt_type = fl->data; @@ -372,13 +372,13 @@ int mount_main(int argc, char **argv) FILE *fstab; int i, opt, all = FALSE, rc = 1; struct mntent mtpair[2], *mtcur = mtpair; - + /* parse long options, like --bind and --move. Note that -o option * and --option are synonymous. Yes, this means --remount,rw works. */ for (i = opt = 0; i < argc; i++) { if (argv[i][0] == '-' && argv[i][1] == '-') { - append_mount_options(&cmdopts,argv[i]+2); + append_mount_options(&cmdopts,argv[i]+2); } else argv[opt++] = argv[i]; } argc = opt; @@ -414,11 +414,11 @@ int mount_main(int argc, char **argv) bb_show_usage(); } } - + // Three or more non-option arguments? Die with a usage message. if (optind-argc>2) bb_show_usage(); - + // If we have no arguments, show currently mounted filesystems if (optind == argc) { @@ -457,18 +457,18 @@ int mount_main(int argc, char **argv) } // If we have at least one argument, it's the storage location - + if (optind < argc) storage_path = bb_simplify_path(argv[optind]); - + // Open either fstab or mtab if (parse_mount_options(cmdopts,0) & MS_REMOUNT) fstabname = (char *)bb_path_mtab_file; // Again with the evil const. else fstabname="/etc/fstab"; - + if (!(fstab=setmntent(fstabname,"r"))) bb_perror_msg_and_die("Cannot read %s",fstabname); - + // Loop through entries until we find what we're looking for. memset(mtpair,0,sizeof(mtpair)); @@ -489,7 +489,7 @@ int mount_main(int argc, char **argv) if (!mtnext->mnt_fsname) bb_error_msg_and_die("Can't find %s in %s", argv[optind], fstabname); - + // Mount the last thing we found. mtcur = mtnext; @@ -518,14 +518,14 @@ int mount_main(int argc, char **argv) // it, and we want the _last_ match. mtcur = mtnext; - + // If we're mounting all. } else { - + // Do we need to match a filesystem type? if (fstype && strcmp(mtcur->mnt_type,fstype)) continue; - + // Skip noauto and swap anyway. if (parse_mount_options(mtcur->mnt_opts,0) @@ -550,7 +550,7 @@ clean_up: free(cmdopts); free(fstype); } - + if(rc) bb_perror_msg("Mounting %s on %s failed", mtcur->mnt_fsname, mtcur->mnt_dir); |