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Btrfs: send, avoid unnecessary inode item lookup in the btree
authorFilipe Manana <fdmanana@gmail.com>
Fri, 21 Mar 2014 12:46:54 +0000 (12:46 +0000)
committerChris Mason <clm@fb.com>
Tue, 10 Jun 2014 00:20:37 +0000 (17:20 -0700)
Regardless of whether the caller is interested or not in knowing the inode's
generation (dir_gen != NULL), get_first_ref always does a btree lookup to get
the inode item. Avoid this useless lookup if dir_gen parameter is NULL (which
is in some cases).

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/send.c patch | blob | history

diff --cc fs/btrfs/send.c
Simple merge
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