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-rw-r--r--fs/cifs/misc.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index c4e296fe3518..d3b9ddebc17e 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -569,10 +569,9 @@ is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv)
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_autodisable_serverino(struct cifs_sb_info *cifs_sb)
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;
+ }
+}