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CIFS: Cleanup byte-range locking code style

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Reorder parms of cifs_lock_init, trivially simplify getlk code and
remove extra {} in cifs_lock_add_if.

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jeff Layton <jlayton@samba.org>
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Pavel Shilovsky 2011-10-29 17:17:59 +04:00 committed by Steve French
parent 161ebf9fcc
commit a88b470773
1 changed files with 19 additions and 24 deletions
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43
fs/cifs/file.c
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@ -645,20 +645,20 @@ int cifs_closedir(struct inode *inode, struct file *file)
}
static struct cifsLockInfo *
cifs_lock_init(__u64 len, __u64 offset, __u8 type, __u16 netfid)
cifs_lock_init(__u64 offset, __u64 length, __u8 type, __u16 netfid)
{
struct cifsLockInfo *li =
struct cifsLockInfo *lock =
kmalloc(sizeof(struct cifsLockInfo), GFP_KERNEL);
if (!li)
return li;
li->netfid = netfid;
li->offset = offset;
li->length = len;
li->type = type;
li->pid = current->tgid;
INIT_LIST_HEAD(&li->blist);
init_waitqueue_head(&li->block_q);
return li;
if (!lock)
return lock;
lock->offset = offset;
lock->length = length;
lock->type = type;
lock->netfid = netfid;
lock->pid = current->tgid;
INIT_LIST_HEAD(&lock->blist);
init_waitqueue_head(&lock->block_q);
return lock;
}
static void
@ -770,10 +770,8 @@ try_again:
(lock->blist.next == &lock->blist));
if (!rc)
goto try_again;
else {
mutex_lock(&cinode->lock_mutex);
list_del_init(&lock->blist);
}
mutex_lock(&cinode->lock_mutex);
list_del_init(&lock->blist);
}
mutex_unlock(&cinode->lock_mutex);
@ -927,7 +925,7 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
else
type = CIFS_WRLCK;
lck = cifs_lock_init(length, flock->fl_start, type,
lck = cifs_lock_init(flock->fl_start, length, type,
cfile->netfid);
if (!lck) {
rc = -ENOMEM;
@ -1064,14 +1062,12 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u8 type,
if (rc != 0)
cERROR(1, "Error unlocking previously locked "
"range %d during test of lock", rc);
rc = 0;
return rc;
return 0;
}
if (type & LOCKING_ANDX_SHARED_LOCK) {
flock->fl_type = F_WRLCK;
rc = 0;
return rc;
return 0;
}
rc = CIFSSMBLock(xid, tcon, netfid, current->tgid, length,
@ -1089,8 +1085,7 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u8 type,
} else
flock->fl_type = F_WRLCK;
rc = 0;
return rc;
return 0;
}
static void
@ -1250,7 +1245,7 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u8 type,
if (lock) {
struct cifsLockInfo *lock;
lock = cifs_lock_init(length, flock->fl_start, type, netfid);
lock = cifs_lock_init(flock->fl_start, length, type, netfid);
if (!lock)
return -ENOMEM;