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Groups > linux.kernel > #1608250

__link_block_group uses GFP_KERNEL

From Denis Kirjanov <dkirjanov@cloudlinux.com>
Newsgroups linux.kernel
Subject __link_block_group uses GFP_KERNEL
Date 2017-03-24 10:10 +0100
Message-ID <toton-7Is-35@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Hi guys,

Looks like that current code does GFP_KERNEL allocation inside
__link_block_group.
the function invokes kobject_add and internally creates sysfs files
with the GFP_KERNEL flag set.
But since do_chunk_alloc executes insides the btrfs transaction it's
not allowed to sleep.

Thanks!

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__link_block_group uses GFP_KERNEL Denis Kirjanov <dkirjanov@cloudlinux.com> - 2017-03-24 10:10 +0100
  Re: __link_block_group uses GFP_KERNEL Jeff Mahoney <jeffm@suse.com> - 2017-03-25 00:20 +0100
    Re: __link_block_group uses GFP_KERNEL Denis Kirjanov <dkirjanov@cloudlinux.com> - 2017-03-25 07:50 +0100

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