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| author |   Jens Axboe <axboe@fb.com> | 2015-09-03 19:28:20 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-09-03 10:33:09 -0600 |
| commit | 5e7c4274a70aa2d6f485996d0ca1dad52d0039ca (patch) | |
| tree | dce51421028d162af78514b631dc75a6be92cf11 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | null_blk: fix wrong capacity when bs is not 512 bytes (diff) | |
| download | wireguard-linux-5e7c4274a70aa2d6f485996d0ca1dad52d0039ca.tar.xz wireguard-linux-5e7c4274a70aa2d6f485996d0ca1dad52d0039ca.zip | |
block: Check for gaps on front and back merges
We are checking for gaps to previous bio_vec, which can
only detect back merges gaps. Moreover, at the point where
we check for a gap, we don't know if we will attempt a back
or a front merge. Thus, check for gap to prev in a back merge
attempt and check for a gap to next in a front merge attempt.
Signed-off-by: Jens Axboe <axboe@fb.com>
[sagig: Minor rename change]
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
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