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| author | Pavel Shilovsky <pshilovsky@samba.org> | 2012-09-19 03:20:33 +0400 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2012-09-25 06:46:30 +0400 |
| commit | 2e44b2887882134abf353b28867b82645e9f0856 (patch) | |
| tree | 963236eb542e26b046960f72f9ec47ae8e339a76 /fs/cifs/smb2file.c | |
| parent | d324f08d6a87149597817f4496ef0f7ac185e8da (diff) | |
| download | linux-2e44b2887882134abf353b28867b82645e9f0856.tar.xz | |
CIFS: Process oplocks for SMB2
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb2file.c')
| -rw-r--r-- | fs/cifs/smb2file.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c index a7618dfb7712..5ff25e025215 100644 --- a/fs/cifs/smb2file.c +++ b/fs/cifs/smb2file.c @@ -34,6 +34,26 @@ #include "fscache.h" #include "smb2proto.h" +void +smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock) +{ + oplock &= 0xFF; + if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) { + cinode->clientCanCacheAll = true; + cinode->clientCanCacheRead = true; + cFYI(1, "Exclusive Oplock granted on inode %p", + &cinode->vfs_inode); + } else if (oplock == SMB2_OPLOCK_LEVEL_II) { + cinode->clientCanCacheAll = false; + cinode->clientCanCacheRead = true; + cFYI(1, "Level II Oplock granted on inode %p", + &cinode->vfs_inode); + } else { + cinode->clientCanCacheAll = false; + cinode->clientCanCacheRead = false; + } +} + int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, int disposition, int desired_access, int create_options, @@ -58,10 +78,11 @@ smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, } desired_access |= FILE_READ_ATTRIBUTES; + *oplock = SMB2_OPLOCK_LEVEL_EXCLUSIVE; rc = SMB2_open(xid, tcon, smb2_path, &fid->persistent_fid, &fid->volatile_fid, desired_access, disposition, - 0, 0, smb2_data); + 0, 0, (__u8 *)oplock, smb2_data); if (rc) goto out; @@ -79,7 +100,6 @@ smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, } out: - *oplock = 0; kfree(smb2_data); kfree(smb2_path); return rc; |