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authorDavid Sterba <dsterba@suse.com>2017-02-17 15:27:44 +0100
committerDavid Sterba <dsterba@suse.com>2017-02-28 14:29:24 +0100
commit4d53dddbec671bcb64a936a3d2b7bf1ce2252ed0 (patch)
tree332a2d50116a1842e1b205f5137abce8ea606628 /scripts/gcc-x86_64-has-stack-protector.sh
parentbtrfs: let writepage_end_io_hook return void (diff)
downloadlinux-4d53dddbec671bcb64a936a3d2b7bf1ce2252ed0.tar.xz
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btrfs: document existence of extent_io ops callbacks
Some of the callbacks defined in btree_extent_io_ops and btrfs_extent_io_ops do always exist so we don't need to check the existence before each call. This patch just reorders the definition and documents which are mandatory/optional. Signed-off-by: David Sterba <dsterba@suse.com>
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