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locks: export setlease to filesystems 

Export setlease so it can used by filesystems to implement their lease
methods.

Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2007-07-04 17:21:37 -04:00
parent f9ffed26d6
commit 4698afe8e3
2 changed files with 3 additions and 1 deletions
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3
fs/locks.c
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@ -1336,7 +1336,7 @@ int fcntl_getlease(struct file *filp)
*
* Called with kernel lock held.
*/
static int setlease(struct file *filp, long arg, struct file_lock **flp)
int setlease(struct file *filp, long arg, struct file_lock **flp)
{
struct file_lock *fl, **before, **my_before = NULL, *lease;
struct dentry *dentry = filp->f_path.dentry;
@ -1421,6 +1421,7 @@ static int setlease(struct file *filp, long arg, struct file_lock **flp)
out:
return error;
}
EXPORT_SYMBOL(setlease);
/**
* vfs_setlease - sets a lease on an open file

1
include/linux/fs.h
View File

@ -872,6 +872,7 @@ extern int vfs_cancel_lock(struct file *filp, 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);
extern void lease_get_mtime(struct inode *, struct timespec *time);
extern int setlease(struct file *, long, struct file_lock **);
extern int vfs_setlease(struct file *, long, struct file_lock **);
extern int lease_modify(struct file_lock **, int);
extern int lock_may_read(struct inode *, loff_t start, unsigned long count);