[LEDE-DEV] [PATCH] fstools: added f2fs to block-mount

[Alberto Bursi]

added the code to recognize and operate the filesystem checker of f2fs
added f2fs to the filesystem whitelist of block so it can mount it on
/overlay at boot.

Signed-off-by: Alberto Bursi <alberto.bursi at outlook.it>
---
 block.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/block.c b/block.c
index 9de8343..b88c45e 100644
--- a/block.c
+++ b/block.c
@@ -686,7 +686,8 @@ static void check_filesystem(struct probe_info *pr)
 {
 	pid_t pid;
 	struct stat statbuf;
-	const char *e2fsck = "/usr/sbin/e2fsck";
+    const char *e2fsck = "/usr/sbin/e2fsck";
+    const char *f2fsck = "/usr/sbin/fsck.f2fs";
 	const char *dosfsck = "/usr/sbin/dosfsck";
 	const char *ckfs;
 
@@ -696,6 +697,8 @@ static void check_filesystem(struct probe_info *pr)
 
 	if (!strncmp(pr->type, "vfat", 4)) {
 		ckfs = dosfsck;
+    } else if (!strncmp(pr->id->name, "f2fs", 4)) {
+        ckfs = f2fsck;
 	} else if (!strncmp(pr->type, "ext", 3)) {
 		ckfs = e2fsck;
 	} else {
@@ -710,8 +713,12 @@ static void check_filesystem(struct probe_info *pr)
 
 	pid = fork();
 	if (!pid) {
-		execl(ckfs, ckfs, "-p", pr->dev, NULL);
-		exit(-1);
+        if(!strncmp(pr->id->name, "f2fs", 4)) {
+            execl(ckfs, ckfs, "-f", pr->dev, NULL);
+            exit(-1);
+        } else
+            execl(ckfs, ckfs, "-p", pr->dev, NULL);
+            exit(-1);
 	} else if (pid > 0) {
 		int status;
 
@@ -1154,8 +1161,9 @@ static int mount_extroot(char *cfg)
 	}
 	if (pr) {
 		if (strncmp(pr->type, "ext", 3) &&
+            strncmp(pr->id->name, "f2fs", 4) &&
 		    strncmp(pr->type, "ubifs", 5)) {
-			ULOG_ERR("extroot: unsupported filesystem %s, try ext4\n", pr->type);
+			ULOG_ERR("extroot: unsupported filesystem %s, try ext4 or f2fs\n", pr->type);
 			return -1;
 		}
 
-- 
2.6.6