btrfs: call submit_bio_hook directly for metadata pages

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No need to go through a function pointer indirection simply call
submit_bio_hook directly by exporting and renaming the helper to
btrfs_submit_metadata_bio. This makes the code more readable and should
result in somewhat faster code due to no longer paying the price for
specualtive attack mitigations that come with indirect function calls.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Nikolay Borisov 2020-09-18 16:34:38 +03:00 • committed by David Sterba

parent 908930f3ed

commit 1b36294a6c

3 changed files with 7 additions and 7 deletions

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8

fs/btrfs/disk-io.c

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2

fs/btrfs/disk-io.h

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4

fs/btrfs/extent_io.c

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