[PATCH] give NFS client a "set_page_dirty" address space op.

Chuck Lever (cel@citi.umich.edu)
Tue, 26 Nov 2002 14:36:36 -0500 (EST)


Description:
The default set_page_dirty address space op is too heavyweight for NFS,
which doesn't use buffers.

Apply against:
2.5.49

Test status:
Passes Connectathon '02, fsx, and other stress tests on a UP HIGHMEM
system.

diff -Naur 01-kmap-atomic/fs/nfs/file.c 02-set_page_dirty/fs/nfs/file.c
--- 01-kmap-atomic/fs/nfs/file.c Fri Nov 22 16:40:51 2002
+++ 02-set_page_dirty/fs/nfs/file.c Mon Nov 25 13:19:44 2002
@@ -168,6 +168,7 @@
struct address_space_operations nfs_file_aops = {
.readpage = nfs_readpage,
.readpages = nfs_readpages,
+ .set_page_dirty = __set_page_dirty_nobuffers,
.writepage = nfs_writepage,
.writepages = nfs_writepages,
.prepare_write = nfs_prepare_write,

-
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