Btrfs: kill trans in run_delalloc_nocow and btrfs_cross_ref_exist

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run_delalloc_nocow has used trans in two places where they don't
actually need @trans.

For btrfs_lookup_file_extent, we search for file extents without COWing
anything, and for btrfs_cross_ref_exist, the only place where we need
@trans is deferencing it in order to get running_transaction which we
could easily get from the global fs_info.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Liu Bo 2017-01-30 12:25:28 -08:00 • committed by David Sterba

parent f72ad18e99

commit e4c3b2dcd1

3 changed files with 16 additions and 47 deletions

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3

fs/btrfs/ctree.h

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22

fs/btrfs/extent-tree.c

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38

fs/btrfs/inode.c

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