forked from pool/e2fsprogs
133 lines
2.7 KiB
Diff
133 lines
2.7 KiB
Diff
--- misc/fsck.8.in
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+++ misc/fsck.8.in
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@@ -180,6 +180,10 @@
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will use the specified filesystem type. If this type is not
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available, then the default file system type (currently ext2) is used.
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.TP
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+.B \-m
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+Do not check mounted filesystems and return an exit code of 0
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+for mounted filesystems.
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+.TP
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.B \-A
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Walk through the
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.I /etc/fstab
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--- misc/fsck.c
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+++ misc/fsck.c
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@@ -102,6 +102,7 @@
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int serialize = 0;
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int skip_root = 0;
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int like_mount = 0;
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+int ignore_mounted = 0;
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int notitle = 0;
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int parallel_root = 0;
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int progress = 0;
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@@ -851,6 +852,56 @@
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return (cmp->negate ? !ret : ret);
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}
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+/* Check to see whether a filesystem is already mounted */
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+static int is_mounted(struct fs_info *fs)
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+{
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+ struct stat st_buf;
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+ dev_t fs_rdev;
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+ char *testdir;
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+ int retval = 0;
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+
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+ if (!fs->mountpt) {
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+ /*
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+ * We have already read /proc/mounts
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+ * so any device without a mountpoint
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+ * is indeed not mounted.
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+ */
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+ return 0;
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+ }
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+
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+ if (!strcmp(fs->mountpt,"/")) {
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+ /* Root should be always mounted */
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+ return 1;
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+ }
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+
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+ if (stat(fs->mountpt, &st_buf) < 0)
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+ return 0;
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+
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+ if (!S_ISDIR(st_buf.st_mode)) {
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+ /* This is not a directory, cannot be mounted */
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+ return 0;
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+ }
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+
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+ fs_rdev = st_buf.st_dev;
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+
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+ /* Compare with the upper directory */
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+ testdir = malloc(strlen(fs->mountpt) + 4);
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+ strcpy(testdir,fs->mountpt);
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+ if (fs->mountpt[strlen(fs->mountpt) - 1] == '/')
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+ strcat(testdir,"..");
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+ else
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+ strcat(testdir,"/..");
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+
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+ if (stat(testdir, &st_buf) == 0) {
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+ if (st_buf.st_dev != fs_rdev) {
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+ retval = 1;
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+ }
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+ }
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+ free(testdir);
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+
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+ return retval;
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+}
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+
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/* Check if we should ignore this filesystem. */
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static int ignore(struct fs_info *fs)
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{
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@@ -997,6 +1048,15 @@
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not_done_yet++;
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continue;
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}
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+ if (ignore_mounted) {
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+ /*
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+ * Ignore mounted devices.
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+ */
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+ if (is_mounted(fs)) {
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+ fs->flags |= FLAG_DONE;
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+ continue;
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+ }
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+ }
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/*
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* If a filesystem on a particular device has
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* already been spawned, then we need to defer
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@@ -1174,6 +1234,9 @@
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case 'P':
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parallel_root++;
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break;
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+ case 'm':
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+ ignore_mounted++;
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+ break;
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case 's':
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serialize++;
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break;
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@@ -1249,6 +1312,10 @@
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fstab = _PATH_MNTTAB;
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load_fs_info(fstab);
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+ /* Load info from /proc/mounts, too */
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+ if (ignore_mounted)
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+ load_fs_info("/proc/mounts");
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+
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/* Update our search path to include uncommon directories. */
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if (oldpath) {
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fsck_path = malloc (strlen (fsck_prefix_path) + 1 +
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@@ -1301,6 +1368,14 @@
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if (!fs)
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continue;
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}
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+ if (ignore_mounted) {
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+ /*
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+ * Ignore mounted devices.
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+ */
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+ if (is_mounted(fs)) {
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+ continue;
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+ }
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+ }
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fsck_device(fs, interactive);
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if (serialize ||
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(max_running && (num_running >= max_running))) {
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