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CIFS: Simplify byte range locking code

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Split cifs_lock into several functions and let CIFSSMBLock get pid
as an argument.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky
2010-08-17 11:26:00 +04:00
committed by Steve French
parent 94443f4340
commit 03776f4516
4 changed files with 209 additions and 176 deletions
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4
fs/cifs/cifssmb.c
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@@ -1963,7 +1963,7 @@ CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms,
int
CIFSSMBLock(const int xid, struct cifs_tcon *tcon,
const __u16 smb_file_id, const __u64 len,
const __u16 smb_file_id, const __u32 netpid, const __u64 len,
const __u64 offset, const __u32 numUnlock,
const __u32 numLock, const __u8 lockType,
const bool waitFlag, const __u8 oplock_level)
@@ -1999,7 +1999,7 @@ CIFSSMBLock(const int xid, struct cifs_tcon *tcon,
pSMB->Fid = smb_file_id; /* netfid stays le */
if ((numLock != 0) || (numUnlock != 0)) {
pSMB->Locks[0].Pid = cpu_to_le16(current->tgid);
pSMB->Locks[0].Pid = cpu_to_le16(netpid);
/* BB where to store pid high? */
pSMB->Locks[0].LengthLow = cpu_to_le32((u32)len);
pSMB->Locks[0].LengthHigh = cpu_to_le32((u32)(len>>32));