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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-05-08 00:35:12 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:21 -0700
commit277866a0e3a4f97e859f7a621f5b4f5359c9526c (patch)
tree20b244f5c0c7b6a692f0290f70f0fefae9d88d5a /include/linux/nfs_fs_sb.h
parent79df3c19aa601d264719b04e3a788a7b852f4859 (diff)
downloadop-kernel-dev-277866a0e3a4f97e859f7a621f5b4f5359c9526c.zip
op-kernel-dev-277866a0e3a4f97e859f7a621f5b4f5359c9526c.tar.gz
nfs: fix congestion control: use atomic_longs
Change the atomic_t in struct nfs_server to atomic_long_t in anticipation of machines that can handle 8+TB of (4K) pages under writeback. However I suspect other things in NFS will start going *bang* by then. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/nfs_fs_sb.h')
-rw-r--r--include/linux/nfs_fs_sb.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index c95d5e6..52b4378 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -82,7 +82,7 @@ struct nfs_server {
struct rpc_clnt * client_acl; /* ACL RPC client handle */
struct nfs_iostats * io_stats; /* I/O statistics */
struct backing_dev_info backing_dev_info;
- atomic_t writeback; /* number of writeback pages */
+ atomic_long_t writeback; /* number of writeback pages */
int flags; /* various flags */
unsigned int caps; /* server capabilities */
unsigned int rsize; /* read size */
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