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author | Robert Morris <[email protected]> | 2014-08-28 16:13:58 -0400 |
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committer | Robert Morris <[email protected]> | 2014-08-28 16:13:58 -0400 |
commit | 8d618cab78c91e4936bade94e9dcbf8fb54fbb19 (patch) | |
tree | 06dc3e1ea0d4d695b25051e90c96c89cc31c3b48 /bio.c | |
parent | 12eeefc72dc31211c5f54ea64e21c8a5668f92d7 (diff) | |
parent | 2b2c1971fc2c3cc6fa1f2f3e7b507a3a35a0cbb8 (diff) | |
download | xv6-labs-8d618cab78c91e4936bade94e9dcbf8fb54fbb19.tar.gz xv6-labs-8d618cab78c91e4936bade94e9dcbf8fb54fbb19.tar.bz2 xv6-labs-8d618cab78c91e4936bade94e9dcbf8fb54fbb19.zip |
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Diffstat (limited to 'bio.c')
-rw-r--r-- | bio.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -80,6 +80,8 @@ bget(uint dev, uint sector) } // Not cached; recycle some non-busy and clean buffer. + // "clean" because B_DIRTY and !B_BUSY means log.c + // hasn't yet committed the changes to the buffer. for(b = bcache.head.prev; b != &bcache.head; b = b->prev){ if((b->flags & B_BUSY) == 0 && (b->flags & B_DIRTY) == 0){ b->dev = dev; |