btrfs: Remove extent_io_ops::writepage_start_hook

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This hook is called only from __extent_writepage_io which is already
called only from the data page writeout path. So there is no need to
make an indirect call via extent_io_ops. This patch just removes the
callback definition, exports the callback function and calls it directly
at the only call site. Also give the function a more descriptive name.
No functional changes.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
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 2018-11-01 14:09:47 +02:00 • committed by David Sterba

parent 5eaad97af8

commit d75855b451

4 changed files with 12 additions and 16 deletions

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1

fs/btrfs/ctree.h

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23

fs/btrfs/extent_io.c

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1

fs/btrfs/extent_io.h

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3

fs/btrfs/inode.c

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