Re: [PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and... | linux-ext4

[PATCH v2 0/3] ext4: Prevent memory reclaim from re-entering the filesystem and deadlocking · Naoto Kobayashi <hidden> · 2019-12-27
[PATCH v2 1/3] ext4: Delete ext4_kvzvalloc() · Naoto Kobayashi <hidden> · 2019-12-27
Re: [PATCH v2 1/3] ext4: Delete ext4_kvzvalloc() · Jan Kara <jack@suse.cz> · 2020-01-09
Re: [PATCH v2 1/3] ext4: Delete ext4_kvzvalloc() · "Theodore Y. Ts'o" <tytso@mit.edu> · 2020-01-13
[PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and drop its flags argument · Naoto Kobayashi <hidden> · 2019-12-27
Re: [PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and drop its flags argument · Jan Kara <jack@suse.cz> · 2020-01-09
Re: [PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and drop its flags argument · "Theodore Y. Ts'o" <tytso@mit.edu> · 2020-01-13
Re: [PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and drop its flags argument · Jan Kara <jack@suse.cz> · 2020-01-16
Re: [PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and drop its flags argument · "Theodore Y. Ts'o" <tytso@mit.edu> · 2020-01-16
[PATCH] ext4: drop ext4_kvmalloc() · "Theodore Ts'o" <tytso@mit.edu> · 2020-01-16
Re: [PATCH] ext4: drop ext4_kvmalloc() · Jan Kara <jack@suse.cz> · 2020-01-17
Re: [PATCH] ext4: drop ext4_kvmalloc() · "Theodore Y. Ts'o" <tytso@mit.edu> · 2020-01-17
[PATCH v2 3/3] ext4: Prevent ext4_kvmalloc_nofs() from re-entering the filesystem and deadlocking · Naoto Kobayashi <hidden> · 2019-12-27

Re: [PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and drop its flags argument

From: "Theodore Y. Ts'o" <tytso@mit.edu>
Date: 2020-01-16 15:12:54

On Thu, Jan 16, 2020 at 01:37:24PM +0100, Jan Kara wrote:

Ted, I don't think this patch is needed at all - see my email [1]. Sadly
Naoto didn't reply to my question whether he really saw any deadlock /
lockdep splat or whether it was just a theoretical concern he had...

Thanks, good point.  So what we should do instead is just drop
ext4_kvmalloc() entirely.

						- Ted

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