[CIFS] Do not overwrite aops
cifs should not be overwriting an element of the aops structure, since the
structure is shared by all cifs inodes. Instead define a separate aops
structure to suit each purpose.
I also took the liberty of replacing a hard-coded 4096 with PAGE_CACHE_SIZE
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index a609d26..b88147c 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -180,11 +180,12 @@
else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
- inode->i_data.a_ops = &cifs_addr_ops;
/* check if server can support readpages */
if(pTcon->ses->server->maxBuf <
- 4096 + MAX_CIFS_HDR_SIZE)
- inode->i_data.a_ops->readpages = NULL;
+ PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
+ inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
+ else
+ inode->i_data.a_ops = &cifs_addr_ops;
} else if (S_ISDIR(inode->i_mode)) {
cFYI(1, ("Directory inode"));
inode->i_op = &cifs_dir_inode_ops;
@@ -519,10 +520,11 @@
else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
- inode->i_data.a_ops = &cifs_addr_ops;
if(pTcon->ses->server->maxBuf <
- 4096 + MAX_CIFS_HDR_SIZE)
- inode->i_data.a_ops->readpages = NULL;
+ PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
+ inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
+ else
+ inode->i_data.a_ops = &cifs_addr_ops;
} else if (S_ISDIR(inode->i_mode)) {
cFYI(1, ("Directory inode"));
inode->i_op = &cifs_dir_inode_ops;