The current pending_discard attr just only shows the discard_cmd_cnt
information, which is not very meaningful. More discard information
can be shown so that we can check them through sysfs when needed.
Signed-off-by: Zhiguo Niu
---
fs/f2fs/sysfs.c | 21 +++--
1 file changed, 15
On Thu, Nov 23, 2023 at 02:06:39PM -0500, Gabriel Krisman Bertazi wrote:
> >
> > 4. d_move() and d_exchange() would ignore the value returned by __d_move();
> > __d_unalias() turn
> > __d_move(alias, dentry, false);
> > ret = 0;
> > into
> > ret = __d_move(alias, dentry, Splice);
On Thu, Nov 23, 2023 at 07:53:27PM +, Al Viro wrote:
> Huh? If it really depends only upon the superblock, just set it in ->s_d_op
> when you set the superblock up.
>
> Again, whatever setup you do for dentry in ->lookup(), you either
> * have a filesystem that never picks an existing
On Thu, Nov 23, 2023 at 02:06:39PM -0500, Gabriel Krisman Bertazi wrote:
> > A paragraph above you've said that it's not constant over the entire
> > filesystem.
>
> The same ->d_op is used by every dentry in the filesystem if the superblock
> has the casefold bit enabled, regardless of whether
Al Viro writes:
> On Thu, Nov 23, 2023 at 12:37:43PM -0500, Gabriel Krisman Bertazi wrote:
>> > That's the problem I'd been talking about - there is a class of situations
>> > where the work done by ext4_lookup() to set the state of dentry gets
>> > completely lost. After lookup you do have a
On Thu, Nov 23, 2023 at 12:37:43PM -0500, Gabriel Krisman Bertazi wrote:
> > That's the problem I'd been talking about - there is a class of situations
> > where the work done by ext4_lookup() to set the state of dentry gets
> > completely lost. After lookup you do have a dentry in the right
Al Viro writes:
> On Thu, Nov 23, 2023 at 10:57:22AM -0500, Gabriel Krisman Bertazi wrote:
>> Linus Torvalds writes:
>>
>> > Side note: Gabriel, as things are now, instead of that
>> >
>> > if (!d_is_casefolded_name(dentry))
>> > return 0;
>> >
>> > in
On Thu, Nov 23, 2023 at 10:57:22AM -0500, Gabriel Krisman Bertazi wrote:
> Linus Torvalds writes:
>
> > Side note: Gabriel, as things are now, instead of that
> >
> > if (!d_is_casefolded_name(dentry))
> > return 0;
> >
> > in generic_ci_d_revalidate(), I would suggest
Linus Torvalds writes:
> Side note: Gabriel, as things are now, instead of that
>
> if (!d_is_casefolded_name(dentry))
> return 0;
>
> in generic_ci_d_revalidate(), I would suggest that any time a
> directory is turned into a case-folded one, you'd just walk all the
>
On Thu, 23 Nov 2023 at 07:57, Gabriel Krisman Bertazi
wrote:
>
> The problem I found with that approach, which I originally tried, was
> preventing concurrent lookups from racing with the invalidation and
> creating more 'case-sensitive' negative dentries. Did I miss a way to
> synchronize with
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