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| author | Mole Shang <[email protected]> | 2024-02-16 10:05:03 +0800 |
|---|---|---|
| committer | Mole Shang <[email protected]> | 2024-02-16 10:05:03 +0800 |
| commit | 99015f3a985b2fd051606636743a2a2969b216e8 (patch) | |
| tree | e4b6336f4577ecc47b08165d40f081a810d0bda9 /kernel/buf.h | |
| parent | 16f51058790ba5779cf46de18e6a266f2fac0a1d (diff) | |
| download | xv6-labs-99015f3a985b2fd051606636743a2a2969b216e8.tar.gz xv6-labs-99015f3a985b2fd051606636743a2a2969b216e8.tar.bz2 xv6-labs-99015f3a985b2fd051606636743a2a2969b216e8.zip | |
lab lock/bcache: finish
Diffstat (limited to 'kernel/buf.h')
| -rw-r--r-- | kernel/buf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/buf.h b/kernel/buf.h index 4616e9e..bbef407 100644 --- a/kernel/buf.h +++ b/kernel/buf.h @@ -8,5 +8,6 @@ struct buf { struct buf *prev; // LRU cache list struct buf *next; uchar data[BSIZE]; + uint ticks; // derived from global variable ticks (trap.c), record ticks when last modified }; |