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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>
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f9ffed26d6
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2 changed files with 3 additions and 1 deletions
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@ -1336,7 +1336,7 @@ int fcntl_getlease(struct file *filp)
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*
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*
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* Called with kernel lock held.
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* Called with kernel lock held.
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*/
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*/
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static int setlease(struct file *filp, long arg, struct file_lock **flp)
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int setlease(struct file *filp, long arg, struct file_lock **flp)
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{
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{
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struct file_lock *fl, **before, **my_before = NULL, *lease;
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struct file_lock *fl, **before, **my_before = NULL, *lease;
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struct dentry *dentry = filp->f_path.dentry;
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struct dentry *dentry = filp->f_path.dentry;
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@ -1421,6 +1421,7 @@ static int setlease(struct file *filp, long arg, struct file_lock **flp)
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out:
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out:
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return error;
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return error;
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}
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}
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EXPORT_SYMBOL(setlease);
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/**
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/**
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* vfs_setlease - sets a lease on an open file
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* vfs_setlease - sets a lease on an open file
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@ -872,6 +872,7 @@ extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl);
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extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
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extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
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extern int __break_lease(struct inode *inode, unsigned int flags);
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extern int __break_lease(struct inode *inode, unsigned int flags);
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extern void lease_get_mtime(struct inode *, struct timespec *time);
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extern void lease_get_mtime(struct inode *, struct timespec *time);
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extern int setlease(struct file *, long, struct file_lock **);
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extern int vfs_setlease(struct file *, long, struct file_lock **);
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extern int vfs_setlease(struct file *, long, struct file_lock **);
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extern int lease_modify(struct file_lock **, int);
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extern int lease_modify(struct file_lock **, int);
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extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
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extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
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