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fs/locks: pass kernel struct flock to fcntl_getlk/setlk

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This will make it easier to implement a sane compat fcntl syscall.

[ jlayton: fix undeclared identifiers in 32-bit fcntl64 syscall handler ]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
This commit is contained in:
Christoph Hellwig 2017-05-27 06:07:19 -04:00 • committed by Jeff Layton
parent 80b79dd0e2
commit a75d30c772
3 changed files with 48 additions and 66 deletions
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8
include/linux/fs.h
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@ -1038,14 +1038,14 @@ static inline struct inode *locks_inode(const struct file *f)
}
#ifdef CONFIG_FILE_LOCKING
extern int fcntl_getlk(struct file *, unsigned int, struct flock __user *);
extern int fcntl_getlk(struct file *, unsigned int, struct flock *);
extern int fcntl_setlk(unsigned int, struct file *, unsigned int,
struct flock __user *);
struct flock *);
#if BITS_PER_LONG == 32
extern int fcntl_getlk64(struct file *, unsigned int, struct flock64 __user *);
extern int fcntl_getlk64(struct file *, unsigned int, struct flock64 *);
extern int fcntl_setlk64(unsigned int, struct file *, unsigned int,
struct flock64 __user *);
struct flock64 *);
#endif
extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg);