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authorSteve French <sfrench@us.ibm.com>2005-10-03 13:37:24 -0700
committerSteve French <sfrench@us.ibm.com>2005-10-03 13:37:24 -0700
commit3e84469d0101456caceffc6b22218a49017fcd3f (patch)
tree2e52687ade7f3e52b5621142997ca6e7b38df70a /fs/cifs/connect.c
parent70ca734a14366b634224a1e4586d43b36b65ab67 (diff)
[CIFS] Add writepages support to shrink memory usage on writes,
eliminate the double copy, and improve cifs write performance and help the server by upping the typical write size from 4K to 16K (or even larger if wsize set explicitly) for servers which support this. Part 1 of 2 Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index e27e5ad8b59..f05d9e2016d 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1891,6 +1891,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
}
}
}
+ if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
+ cifs_sb->wsize = min(cifs_sb->wsize,
+ (tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE));
}
/* volume_info.password is freed above when existing session found