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[ Upstream commit81cea6cd70] Currently there is only one caller which doesn't populate btrfs_bio::inode, and that's scrub. The idea is scrub doesn't want any automatic csum verification nor read-repair, as everything will be handled by scrub itself. However that behavior is really no different than metadata inode, thus we can reuse btree_inode as btrfs_bio::inode for scrub. The only exception is in btrfs_submit_chunk() where if a bbio is from scrub or data reloc inode, we set rst_search_commit_root to true. This means we still need a way to distinguish scrub from metadata, but that can be done by a new flag inside btrfs_bio. Now btrfs_bio::inode is a mandatory parameter, we can extract fs_info from that inode thus can remove btrfs_bio::fs_info to save 8 bytes from btrfs_bio structure. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Stable-dep-of:b39b26e017("btrfs: zoned: don't zone append to conventional zone") Signed-off-by: Sasha Levin <sashal@kernel.org>
188 lines
6.7 KiB
188 lines
6.7 KiB