CIFS: Add cifs_set_oplock_level
Simplify many places when we need to set oplock level on an inode.
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index c4e296f..d3b9dde 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -569,10 +569,9 @@
cFYI(1, "file id match, oplock break");
pCifsInode = CIFS_I(netfile->dentry->d_inode);
- pCifsInode->clientCanCacheAll = false;
- if (pSMB->OplockLevel == 0)
- pCifsInode->clientCanCacheRead = false;
+ cifs_set_oplock_level(netfile->dentry->d_inode,
+ pSMB->OplockLevel);
/*
* cifs_oplock_break_put() can't be called
* from here. Get reference after queueing
@@ -722,3 +721,21 @@
cifs_sb_master_tcon(cifs_sb)->treeName);
}
}
+
+void cifs_set_oplock_level(struct inode *inode, __u32 oplock)
+{
+ struct cifsInodeInfo *cinode = CIFS_I(inode);
+
+ if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
+ cinode->clientCanCacheAll = true;
+ cinode->clientCanCacheRead = true;
+ cFYI(1, "Exclusive Oplock granted on inode %p", inode);
+ } else if ((oplock & 0xF) == OPLOCK_READ) {
+ cinode->clientCanCacheAll = false;
+ cinode->clientCanCacheRead = true;
+ cFYI(1, "Level II Oplock granted on inode %p", inode);
+ } else {
+ cinode->clientCanCacheAll = false;
+ cinode->clientCanCacheRead = false;
+ }
+}