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authorrsc <rsc>2007-08-22 06:01:32 +0000
committerrsc <rsc>2007-08-22 06:01:32 +0000
commiteaea18cb9cbb86018dae8f1decfa217ecbe85fa5 (patch)
tree98c4a9b852ad9b6aaf16016417cf5eeee0b3857e /fsvar.h
parent3dcf889c1b5c2c5ddf5b4756f2a731c344f6f08e (diff)
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PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf
Various changes made while offline. + bwrite sector argument is redundant; use b->sector. + reformatting of files for nicer PDF page breaks + distinguish between locked, unlocked inodes in type signatures + change FD_FILE to FD_INODE + move userinit (nee proc0init) to proc.c + move ROOTDEV to param.h + always parenthesize sizeof argument
Diffstat (limited to 'fsvar.h')
-rw-r--r--fsvar.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/fsvar.h b/fsvar.h
index 8609c2a..f823c66 100644
--- a/fsvar.h
+++ b/fsvar.h
@@ -14,7 +14,11 @@ struct inode {
uint addrs[NADDRS];
};
-#define ROOTDEV 1 // Device number of root file system
+// unlocked inode - only dev and inum are available
+struct uinode {
+ uint dev;
+ uint inum;
+};
#define I_BUSY 0x1
#define I_VALID 0x2