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| author | jeff <jeff@FreeBSD.org> | 2005-04-30 11:26:58 +0000 |
|---|---|---|
| committer | jeff <jeff@FreeBSD.org> | 2005-04-30 11:26:58 +0000 |
| commit | f9172cb2757b7ce1f156b21a8c7681695c48b9fd (patch) | |
| tree | 15c30077017fd792e7d65d4a230ed3c565fa011e /sys/kern/vfs_cluster.c | |
| parent | 5adae6c6229fe6dabcf2fe80345c194970ae8333 (diff) | |
| download | FreeBSD-src-f9172cb2757b7ce1f156b21a8c7681695c48b9fd.zip FreeBSD-src-f9172cb2757b7ce1f156b21a8c7681695c48b9fd.tar.gz | |
- Call VM_LOCK_GIANT in cluster_callback() to protect some pmap calls. VFS
will not be acquiring Giant before calling this function anymore.
Sponsored by: Isilon Systems, Inc.
Diffstat (limited to 'sys/kern/vfs_cluster.c')
| -rw-r--r-- | sys/kern/vfs_cluster.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/vfs_cluster.c b/sys/kern/vfs_cluster.c index c3c6e5a..a6165cf 100644 --- a/sys/kern/vfs_cluster.c +++ b/sys/kern/vfs_cluster.c @@ -524,7 +524,9 @@ cluster_callback(bp) if (bp->b_ioflags & BIO_ERROR) error = bp->b_error; + VM_LOCK_GIANT(); pmap_qremove(trunc_page((vm_offset_t) bp->b_data), bp->b_npages); + VM_UNLOCK_GIANT(); /* * Move memory from the large cluster buffer into the component * buffers and mark IO as done on these. |
