[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-fsdevel
Subject: PATCH [9/10] lease interfaces for version 4 NFSD
From: "William A.(Andy) Adamson" <andros () citi ! umich ! edu>
Date: 2004-09-20 20:23:12
Message-ID: 20040920202312.0AB461BBAA () citi ! umich ! edu
[Download RAW message or body]
This is a multipart MIME message.
VFS: export remove_lease(), an interface to time_out_leases() with a
fl_break_time in the past. needed by nfsd.
Signed-off-by: Andy Adamson <andros@umich.edu>
["linux-2.6.9-rc2-09-remove-lease.dif" (text/plain)]
diff --recursive -puN old/fs/locks.c new/fs/locks.c
--- old/fs/locks.c 2004-09-20 14:18:58.644037000 -0400
+++ new/fs/locks.c 2004-09-20 14:34:10.952756000 -0400
@@ -1086,6 +1086,26 @@ static void time_out_leases(struct inode
}
/**
+ * remove_lease - let time_out_leases remove the lease.
+ * @@file_lock: the lease to remove
+ */
+void remove_lease(struct file_lock *fl)
+{
+ if (!IS_LEASE(fl))
+ return;
+
+ lock_kernel();
+
+ fl->fl_type = F_UNLCK | F_INPROGRESS;
+ fl->fl_break_time = jiffies - 10;
+ time_out_leases(fl->fl_file->f_dentry->d_inode);
+
+ unlock_kernel();
+}
+
+EXPORT_SYMBOL(remove_lease);
+
+/**
* __break_lease - revoke all outstanding leases on file
* @inode: the inode of the file to return
* @mode: the open mode (read or write)
diff --recursive -puN old/include/linux/fs.h new/include/linux/fs.h
--- old/include/linux/fs.h 2004-09-20 14:27:37.183726000 -0400
+++ new/include/linux/fs.h 2004-09-20 14:35:42.696076000 -0400
@@ -702,6 +702,7 @@ extern int flock_lock_file_wait(struct f
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 void remove_lease(struct file_lock *);
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);
extern void steal_locks(fl_owner_t from);
-
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic