locks_mandatory_area man page on Scientific

locks_mandatory_area man page on Scientific

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LOCKS_MANDATORY_AREA(9)		 The Linux VFS	       LOCKS_MANDATORY_AREA(9)

NAME
       locks_mandatory_area - Check for a conflicting lock

SYNOPSIS
       int locks_mandatory_area(int read_write, struct inode * inode,
				struct file * filp, loff_t offset,
				size_t count);

ARGUMENTS
       read_write

	   FLOCK_VERIFY_WRITE for exclusive access, FLOCK_VERIFY_READ for
	   shared

       inode
	   the file to check

       filp
	   how the file was opened (if it was)

       offset
	   start of area to check

       count
	   length of area to check

DESCRIPTION
       Searches the inode´s list of locks to find any POSIX locks which
       conflict. This function is called from rw_verify_area and
       locks_verify_truncate.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013	       LOCKS_MANDATORY_AREA(9)

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