Revision cb25c2ea6a79702ab7895b873c6c43e0d3bc3c72 authored by Josef Bacik on 11 May 2011, 16:17:34 UTC, committed by Josef Bacik on 23 May 2011, 17:03:10 UTC
If we have particularly full nodes, we could call btrfs_node_blockptr up to 32 times, which is 32 pairs of kmap/kunmap, which _sucks_. So go ahead and map the extent buffer while we look for readahead targets. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
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| File | Mode | Size |
|---|---|---|
| Kconfig | -rw-r--r-- | 3.0 KB |
| Kconfig.iosched | -rw-r--r-- | 1.8 KB |
| Makefile | -rw-r--r-- | 641 bytes |
| blk-cgroup.c | -rw-r--r-- | 39.1 KB |
| blk-cgroup.h | -rw-r--r-- | 10.8 KB |
| blk-core.c | -rw-r--r-- | 73.6 KB |
| blk-exec.c | -rw-r--r-- | 2.8 KB |
| blk-flush.c | -rw-r--r-- | 12.5 KB |
| blk-integrity.c | -rw-r--r-- | 11.4 KB |
| blk-ioc.c | -rw-r--r-- | 3.6 KB |
| blk-iopoll.c | -rw-r--r-- | 5.9 KB |
| blk-lib.c | -rw-r--r-- | 4.3 KB |
| blk-map.c | -rw-r--r-- | 8.2 KB |
| blk-merge.c | -rw-r--r-- | 11.1 KB |
| blk-settings.c | -rw-r--r-- | 25.1 KB |
| blk-softirq.c | -rw-r--r-- | 4.1 KB |
| blk-sysfs.c | -rw-r--r-- | 14.3 KB |
| blk-tag.c | -rw-r--r-- | 9.9 KB |
| blk-throttle.c | -rw-r--r-- | 28.5 KB |
| blk-timeout.c | -rw-r--r-- | 5.6 KB |
| blk.h | -rw-r--r-- | 4.5 KB |
| bsg.c | -rw-r--r-- | 23.7 KB |
| cfq-iosched.c | -rw-r--r-- | 104.6 KB |
| cfq.h | -rw-r--r-- | 3.7 KB |
| compat_ioctl.c | -rw-r--r-- | 21.0 KB |
| deadline-iosched.c | -rw-r--r-- | 11.2 KB |
| elevator.c | -rw-r--r-- | 24.6 KB |
| genhd.c | -rw-r--r-- | 42.4 KB |
| ioctl.c | -rw-r--r-- | 8.1 KB |
| noop-iosched.c | -rw-r--r-- | 2.4 KB |
| scsi_ioctl.c | -rw-r--r-- | 18.3 KB |
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