On 5/7/25 9:46 AM, Jaegeuk Kim wrote:
> I meant:
>
> # mkfs/mkfs.f2fs -c /dev/[email protected] /dev/vdb
> # mount /dev/vdb mnt
>
> It's supposed to be successful, since extent_cache is enabled by default.
I'm sorry, clearly I was too sleepy last night. This fixes it for me.
We have to test the mask to see if the option was explisitly set (either
extent_cache or noextent_cache) at mount time.
If it was not specified at all, it will be set by the default f'n and
remain in the sbi, and it will pass this consistency check.
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index d89b9ede221e..e178796ce9a7 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1412,7 +1414,8 @@ static int f2fs_check_opt_consistency(struct fs_context
*fc,
}
if (f2fs_sb_has_device_alias(sbi) &&
- !ctx_test_opt(ctx, F2FS_MOUNT_READ_EXTENT_CACHE)) {
+ (ctx->opt_mask & F2FS_MOUNT_READ_EXTENT_CACHE) &&
+ !ctx_test_opt(ctx, F2FS_MOUNT_READ_EXTENT_CACHE)) {
f2fs_err(sbi, "device aliasing requires extent cache");
return -EINVAL;
}
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