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mfs: use macros to mark blocks and inodes dirty

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. No functional change
	. Only serves to get hooks to do checks in
	. e.g. should things be marked dirty when we are
	  mounted readonly

Signed-off-by: Ben Gras <ben@minix3.org>
This commit is contained in:
Ben Gras
2011-12-22 01:29:27 +01:00
parent 34a8901eb8
commit 9b7d357ca1
16 changed files with 63 additions and 43 deletions
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servers/mfs/cache.c
+4 -5
View File
@@ -136,7 +136,7 @@ PUBLIC struct buf *get_block(
* Avoid hysteresis by flushing all other dirty blocks for the same device.
*/
if (bp->b_dev != NO_DEV) {
if (bp->b_dirt == DIRTY) flushall(bp->b_dev);
if (ISDIRTY(bp)) flushall(bp->b_dev);
/* Are we throwing out a block that contained something?
* Give it to VM for the second-layer cache.
@@ -360,8 +360,7 @@ int rw_flag; /* READING or WRITING */
}
}
bp->b_dirt = CLEAN;
MARKCLEAN(bp);
}
/*===========================================================================*
@@ -406,7 +405,7 @@ PUBLIC void flushall(
}
for (bp = &buf[0], ndirty = 0; bp < &buf[nr_bufs]; bp++)
if (bp->b_dirt == DIRTY && bp->b_dev == dev) dirty[ndirty++] = bp;
if (ISDIRTY(bp) && bp->b_dev == dev) dirty[ndirty++] = bp;
rw_scattered(dev, dirty, ndirty, WRITING);
}
@@ -487,7 +486,7 @@ PUBLIC void rw_scattered(
bp->b_dev = dev; /* validate block */
put_block(bp, PARTIAL_DATA_BLOCK);
} else {
bp->b_dirt = CLEAN;
MARKCLEAN(bp);
}
r -= fs_block_size;
}