X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2F9p%2Fvfs_file.c;h=a616fff8906d8e803c928981a8cb346f46db7d76;hb=1df5a8d004f64b1aa3fb93e0556886ba00ebc979;hp=716691689fd5672d74cd274a6e230d9788019759;hpb=541010e4b8921cd781ff02ae68028501457045b6;p=linux-2.6

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 716691689f..a616fff890 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -162,15 +162,17 @@ v9fs_file_write(struct file *filp, const char __user * data,
 
 	fid = filp->private_data;
 	ret = p9_client_uwrite(fid, data, *offset, count);
-	if (ret > 0)
+	if (ret > 0) {
+		invalidate_inode_pages2_range(inode->i_mapping, *offset,
+								*offset+ret);
 		*offset += ret;
+	}
 
 	if (*offset > inode->i_size) {
 		inode->i_size = *offset;
 		inode->i_blocks = (inode->i_size + 512 - 1) >> 9;
 	}
 
-	invalidate_inode_pages2(inode->i_mapping);
 	return ret;
 }
 
@@ -182,7 +184,7 @@ static const struct file_operations v9fs_cached_file_operations = {
 	.open = v9fs_file_open,
 	.release = v9fs_dir_release,
 	.lock = v9fs_file_lock,
-	.mmap = generic_file_mmap,
+	.mmap = generic_file_readonly_mmap,
 };
 
 const struct file_operations v9fs_file_operations = {
@@ -192,5 +194,5 @@ const struct file_operations v9fs_file_operations = {
 	.open = v9fs_file_open,
 	.release = v9fs_dir_release,
 	.lock = v9fs_file_lock,
-	.mmap = generic_file_mmap,
+	.mmap = generic_file_readonly_mmap,
 };