UpdatesV2: Check for e2fsck before calling it.
fix whitespace
Updates V3: fix another whitespace
This patch adds a new option called check_fs to /etc/config/fstab, if set to
'1' every partition with ext* fs
will be checked before it gets mounted.
Signed-off-by: Peter Wagner tripo...@gmx.atdiff --git a/block.c b/block.c
index 4bbfeb0..41d520f 100644
--- a/block.c
+++ b/block.c
@@ -22,6 +22,7 @@
#include sys/types.h
#include sys/swap.h
#include sys/mount.h
+#include sys/wait.h
#include uci.h
#include uci_blob.h
@@ -57,7 +58,7 @@ struct mount {
static struct vlist_tree mounts;
static struct blob_buf b;
static LIST_HEAD(devices);
-static int anon_mount, anon_swap, auto_mount, auto_swap;
+static int anon_mount, anon_swap, auto_mount, auto_swap, check_fs;
static unsigned int delay_root;
enum {
@@ -66,6 +67,7 @@ enum {
CFG_AUTO_MOUNT,
CFG_AUTO_SWAP,
CFG_DELAY_ROOT,
+ CFG_CHECK_FS,
__CFG_MAX
};
@@ -75,6 +77,7 @@ static const struct blobmsg_policy config_policy[__CFG_MAX] = {
[CFG_AUTO_SWAP] = { .name = auto_swap, .type = BLOBMSG_TYPE_INT32 },
[CFG_AUTO_MOUNT] = { .name = auto_mount, .type = BLOBMSG_TYPE_INT32 },
[CFG_DELAY_ROOT] = { .name = delay_root, .type = BLOBMSG_TYPE_INT32 },
+ [CFG_CHECK_FS] = { .name = check_fs, .type = BLOBMSG_TYPE_INT32 },
};
enum {
@@ -221,6 +224,9 @@ static int global_add(struct uci_section *s)
if (tb[CFG_DELAY_ROOT])
delay_root = blobmsg_get_u32(tb[CFG_DELAY_ROOT]);
+ if ((tb[CFG_CHECK_FS]) blobmsg_get_u32(tb[CFG_CHECK_FS]))
+ check_fs = 1;
+
return 0;
}
@@ -431,6 +437,33 @@ static void mkdir_p(char *dir)
}
}
+static void check_filesystem(struct blkid_struct_probe *pr)
+{
+ pid_t pid;
+ struct stat statbuf;
+ char *e2fsck = /usr/sbin/e2fsck;
+
+ if (strncmp(pr-id-name, ext, 3)) {
+ fprintf(stderr, check_filesystem: %s is not supported\n, pr-id-name);
+ return;
+ }
+
+ if (stat(e2fsck, statbuf) 0)
+ return;
+
+ if (!(statbuf.st_mode S_IXUSR))
+ return;
+
+ pid = fork();
+ if (!pid) {
+ execl(e2fsck, e2fsck, -p, pr-dev, NULL);
+ exit(-1);
+ } else if (pid 0) {
+ int status;
+ waitpid(pid, status, 0);
+ }
+}
+
static int mount_device(struct blkid_struct_probe *pr, int hotplug)
{
struct mount *m;
@@ -471,6 +504,10 @@ static int mount_device(struct blkid_struct_probe *pr, int hotplug)
target = _target;
}
mkdir_p(target);
+
+ if (check_fs)
+ check_filesystem(pr);
+
err = mount(pr-dev, target, pr-id-name, 0, (m-options) ? (m-options) : ());
if (err)
fprintf(stderr, mounting %s (%s) as %s failed (%d) - %s\n,
@@ -484,6 +521,10 @@ static int mount_device(struct blkid_struct_probe *pr, int hotplug)
snprintf(target, sizeof(target), /mnt/%s, device);
mkdir_p(target);
+
+ if (check_fs)
+ check_filesystem(pr);
+
err = mount(pr-dev, target, pr-id-name, 0, );
if (err)
fprintf(stderr, mounting %s (%s) as %s failed (%d) - %s\n,
@@ -672,6 +713,9 @@ static int mount_extroot(char *cfg)
path = overlay;
mkdir_p(path);
+ if (check_fs)
+ check_filesystem(pr);
+
err = mount(pr-dev, path, pr-id-name, 0, (m-options) ? (m-options) : ());
if (err) {
@@ -771,8 +815,9 @@ static int main_detect(int argc, char **argv)
printf(\toption\tanon_swap\t'0'\n);
printf(\toption\tanon_mount\t'0'\n);
printf(\toption\tauto_swap\t'1'\n);
- printf(\toption\tauto_mount\t'1'\n\n);
- printf(\toption\tdelay_root\t'0'\n\n);
+ printf(\toption\tauto_mount\t'1'\n);
+ printf(\toption\tdelay_root\t'0'\n);
+ printf(\toption\tcheck_fs\t'0'\n\n);
list_for_each_entry(pr, devices, list)
print_block_uci(pr);
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