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-rw-r--r--sys/ufs/ffs/ffs_balloc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/ufs/ffs/ffs_balloc.c b/sys/ufs/ffs/ffs_balloc.c
index 9c33a7f..8551085 100644
--- a/sys/ufs/ffs/ffs_balloc.c
+++ b/sys/ufs/ffs/ffs_balloc.c
@@ -429,7 +429,9 @@ retry:
brelse(bp);
if (flags & BA_CLRBUF) {
int seqcount = (flags & BA_SEQMASK) >> BA_SEQSHIFT;
- if (seqcount && (vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0) {
+ if (seqcount != 0 &&
+ (vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0 &&
+ !(vm_page_count_severe() || buf_dirty_count_severe())) {
error = cluster_read(vp, ip->i_size, lbn,
(int)fs->fs_bsize, NOCRED,
MAXBSIZE, seqcount, gbflags, &nbp);
@@ -998,7 +1000,9 @@ retry:
*/
if (flags & BA_CLRBUF) {
int seqcount = (flags & BA_SEQMASK) >> BA_SEQSHIFT;
- if (seqcount && (vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0) {
+ if (seqcount != 0 &&
+ (vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0 &&
+ !(vm_page_count_severe() || buf_dirty_count_severe())) {
error = cluster_read(vp, ip->i_size, lbn,
(int)fs->fs_bsize, NOCRED,
MAXBSIZE, seqcount, gbflags, &nbp);
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