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locks: pass the cmd value to fcntl_getlk/getlk64

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Once we introduce file private locks, we'll need to know what cmd value
was used, as that affects the ownership and whether a conflict would
arise.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
This commit is contained in:
Jeff Layton
2014-02-03 12:13:09 -05:00
parent 3fd80cddc6
commit c1e62b8fc3
3 changed files with 10 additions and 8 deletions
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10
include/linux/fs.h
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@@ -993,12 +993,12 @@ struct file_lock {
extern void send_sigio(struct fown_struct *fown, int fd, int band);
#ifdef CONFIG_FILE_LOCKING
extern int fcntl_getlk(struct file *, struct flock __user *);
extern int fcntl_getlk(struct file *, unsigned int, struct flock __user *);
extern int fcntl_setlk(unsigned int, struct file *, unsigned int,
struct flock __user *);
#if BITS_PER_LONG == 32
extern int fcntl_getlk64(struct file *, struct flock64 __user *);
extern int fcntl_getlk64(struct file *, unsigned int, struct flock64 __user *);
extern int fcntl_setlk64(unsigned int, struct file *, unsigned int,
struct flock64 __user *);
#endif
@@ -1031,7 +1031,8 @@ extern int lease_modify(struct file_lock **, int);
extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
#else /* !CONFIG_FILE_LOCKING */
static inline int fcntl_getlk(struct file *file, struct flock __user *user)
static inline int fcntl_getlk(struct file *file, unsigned int cmd,
struct flock __user *user)
{
return -EINVAL;
}
@@ -1043,7 +1044,8 @@ static inline int fcntl_setlk(unsigned int fd, struct file *file,
}
#if BITS_PER_LONG == 32
static inline int fcntl_getlk64(struct file *file, struct flock64 __user *user)
static inline int fcntl_getlk64(struct file *file, unsigned int cmd,
struct flock64 __user *user)
{
return -EINVAL;
}