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From: "Darrick J. Wong" <djwong@kernel.org>
Subject: fuse2fs: refuse unsupported features
Don't mount a filesystem with superblock features that we don't actually
know how to support.
Origin: upstream, https://github.com/tytso/e2fsprogs/commit/ccbc6f24fed095b28f9faa7b575159e49787fae0
---
misc/fuse2fs.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index a6390ab5d..2e0463201 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -3863,6 +3863,26 @@ int main(int argc, char *argv[])
ret = 3;
+ if (ext2fs_has_feature_quota(global_fs->super)) {
+ printf(_("%s: quotas not supported."), fctx.device);
+ goto out;
+ }
+ if (ext2fs_has_feature_verity(global_fs->super)) {
+ printf(_("%s: verity not supported."), fctx.device);
+ goto out;
+ }
+ if (ext2fs_has_feature_encrypt(global_fs->super)) {
+ printf(_("%s: encryption not supported."), fctx.device);
+ goto out;
+ }
+ if (ext2fs_has_feature_casefold(global_fs->super)) {
+ printf(_("%s: casefolding not supported."), fctx.device);
+ goto out;
+ }
+
+ if (ext2fs_has_feature_shared_blocks(global_fs->super))
+ fctx.ro = 1;
+
if (ext2fs_has_feature_journal_needs_recovery(global_fs->super)) {
if (fctx.norecovery) {
printf(_("%s: mounting read-only without "
--
2.47.2
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