On 5/6/25 8:23 PM, Jaegeuk Kim wrote:
> On 05/06, Eric Sandeen wrote:
>> On 5/6/25 7:35 PM, Jaegeuk Kim wrote:
>>> Hmm, I had to drop the series at the moment, since it seems needing more
>>> work to deal with default_options(), which breaks my device setup.
>>> For example, set_opt(sbi, READ_EXTENT_CACHE) in default_options is not 
>>> propagating
>>> to the below logics. In this case, do we need ctx_set_opt() if user doesn't 
>>> set?
>>
>> Hm, can you describe the test or environment that fails for you?
>> (I'm afraid that I may not have all the right hardware to test everything,
>> so may have missed some cases)
>>
>> However, from a quick test here, a loopback mount of an f2fs image file does
>> set extent_cache properly, so maybe I don't understand the problem:
>>
>> # mount -o loop f2fsfile.img mnt
>> # mount | grep -o extent_cache
>> extent_cache
>> #
>>
>> I'm happy to try to look into it though. Maybe you can put the patches
>> back on a temporary branch for me to pull and test?
> 
> Thank you! I pushed here the last version.
> 
> https://github.com/jaegeuk/f2fs/commits/mount/
> 
> What about:
> # mount -o loop,noextent_cache f2fsfile.img mnt
> 
> In this case, 1) ctx_clear_opt(), 2) set_opt() in default_options,
> 3) clear_opt since mask is set?

Not sure what I'm missing, it seems to work properly here but I haven't
pulled your (slightly) modified patches yet:

# mount -o loop,extent_cache f2fsfile.img mnt
# mount | grep -wo extent_cache
extent_cache
# umount mnt

# mount -o loop,noextent_cache f2fsfile.img mnt
# mount | grep -wo noextent_cache
noextent_cache
#

this looks right?

I'll check your tree tomorrow, though it doesn't sound like you made many
changes.

> And, device_aliasing check is still failing, since it does not understand
> test_opt(). Probably it's the only case?

I think you can blame me, not Hongbo on that one ;) - I will look into it.

-Eric

>>
>> Thanks,
>> - Eric
>>
> 



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