diff options
| author | rtm <rtm> | 2006-08-12 22:34:13 +0000 |
|---|---|---|
| committer | rtm <rtm> | 2006-08-12 22:34:13 +0000 |
| commit | cd93074e5bed8fdbc84f2960c3219c7cf791b020 (patch) | |
| tree | 1c08629ac66cb608ed03601ca0edce0170f71546 /buf.h | |
| parent | 22bac2cb9d0b8050573a4b5c6cb5d8f460ee4167 (diff) | |
| download | xv6-labs-cd93074e5bed8fdbc84f2960c3219c7cf791b020.tar.gz xv6-labs-cd93074e5bed8fdbc84f2960c3219c7cf791b020.tar.bz2 xv6-labs-cd93074e5bed8fdbc84f2960c3219c7cf791b020.zip | |
LRU disk cache replacement
Diffstat (limited to 'buf.h')
| -rw-r--r-- | buf.h | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -2,6 +2,8 @@ struct buf { int flags; uint dev; uint sector; + struct buf *prev; + struct buf *next; uchar data[512]; }; #define B_BUSY 0x1 |