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locks: new helpers - flock_lock_inode_wait and posix_lock_inode_wait

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Allow callers to pass in an inode instead of a filp.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Reviewed-by: "J. Bruce Fields" <bfields@fieldses.org>
Tested-by: "J. Bruce Fields" <bfields@fieldses.org>
This commit is contained in:
Jeff Layton
2015-07-11 06:43:02 -04:00
parent bcd7f78d07
commit 29d01b22ea
2 changed files with 52 additions and 12 deletions
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14
include/linux/fs.h
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@@ -1046,11 +1046,13 @@ extern void locks_remove_file(struct file *);
extern void locks_release_private(struct file_lock *);
extern void posix_test_lock(struct file *, struct file_lock *);
extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *);
extern int posix_lock_inode_wait(struct inode *, struct file_lock *);
extern int posix_lock_file_wait(struct file *, struct file_lock *);
extern int posix_unblock_lock(struct file_lock *);
extern int vfs_test_lock(struct file *, struct file_lock *);
extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *);
extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl);
extern int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl);
extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type);
extern void lease_get_mtime(struct inode *, struct timespec *time);
@@ -1137,6 +1139,12 @@ static inline int posix_lock_file(struct file *filp, struct file_lock *fl,
return -ENOLCK;
}
static inline int posix_lock_inode_wait(struct inode *inode,
struct file_lock *fl)
{
return -ENOLCK;
}
static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl)
{
return -ENOLCK;
@@ -1163,6 +1171,12 @@ static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
return 0;
}
static inline int flock_lock_inode_wait(struct inode *inode,
struct file_lock *request)
{
return -ENOLCK;
}
static inline int flock_lock_file_wait(struct file *filp,
struct file_lock *request)
{