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The b_dep field of buffers is always empty for ext2fs, it is only used

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for SU in FFS.

Reported by:	kib
This commit is contained in:
jhb 2011-04-28 17:36:26 +00:00
parent 220f968bbf
commit 669f6144cb
1 changed files with 3 additions and 6 deletions
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9
sys/fs/ext2fs/ext2_readwrite.c
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@ -162,8 +162,7 @@ READ(ap)
if (error)
break;
if ((ioflag & (IO_VMIO|IO_DIRECT)) &&
(LIST_FIRST(&bp->b_dep) == NULL)) {
if (ioflag & (IO_VMIO|IO_DIRECT)) {
/*
* If there are no dependencies, and it's VMIO,
* then we don't need the buf, mark it available
@ -189,8 +188,7 @@ READ(ap)
* so it must have come from a 'break' statement
*/
if (bp != NULL) {
if ((ioflag & (IO_VMIO|IO_DIRECT)) &&
(LIST_FIRST(&bp->b_dep) == NULL)) {
if (ioflag & (IO_VMIO|IO_DIRECT)) {
bp->b_flags |= B_RELBUF;
brelse(bp);
} else {
@ -319,8 +317,7 @@ WRITE(ap)
error =
uiomove((char *)bp->b_data + blkoffset, (int)xfersize, uio);
if ((ioflag & (IO_VMIO|IO_DIRECT)) &&
(LIST_EMPTY(&bp->b_dep))) { /* in ext2fs? */
if (ioflag & (IO_VMIO|IO_DIRECT)) {
bp->b_flags |= B_RELBUF;
}