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| author | kib <kib@FreeBSD.org> | 2015-08-07 04:33:06 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2015-08-07 04:33:06 +0000 |
| commit | feedc474773ef4f5d277017f1df6132d0eb74fc0 (patch) | |
| tree | ef168c27c4da832dfcfb91b1df4fe34e3404495a /sys/kern/vfs_bio.c | |
| parent | 984b7d731dea8738e6ddaf5aa99948e24165db69 (diff) | |
| download | FreeBSD-src-feedc474773ef4f5d277017f1df6132d0eb74fc0.zip FreeBSD-src-feedc474773ef4f5d277017f1df6132d0eb74fc0.tar.gz | |
MFC r285384:
Do not allow creation of the dirty buffers for the dead buffer objects.
Diffstat (limited to 'sys/kern/vfs_bio.c')
| -rw-r--r-- | sys/kern/vfs_bio.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index f306b5a..8558d06 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -1174,6 +1174,12 @@ bufwrite(struct buf *bp) int vp_md; CTR3(KTR_BUF, "bufwrite(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags); + if ((bp->b_bufobj->bo_flag & BO_DEAD) != 0) { + bp->b_flags |= B_INVAL | B_RELBUF; + bp->b_flags &= ~B_CACHE; + brelse(bp); + return (ENXIO); + } if (bp->b_flags & B_INVAL) { brelse(bp); return (0); |
