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| author | Pavel Shilovsky <piastryyy@gmail.com> | 2010-11-02 12:00:42 +0300 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2010-11-02 21:40:54 +0300 |
| commit | e66673e39ac9d4749bd9676dd1caf928095409f5 (patch) | |
| tree | f16191d689910a4f939992d8836e575195633116 /fs/cifs/misc.c | |
| parent | ce2f6fb8bd8c1e85f288033020dfc31c9fc2be94 (diff) | |
| download | linux-e66673e39ac9d4749bd9676dd1caf928095409f5.tar.xz | |
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>
Diffstat (limited to 'fs/cifs/misc.c')
| -rw-r--r-- | fs/cifs/misc.c | 23 |
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; + } +} |