1LOCKS_MANDATORY_AREA(9)          The Linux VFS         LOCKS_MANDATORY_AREA(9)
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NAME

6       locks_mandatory_area - Check for a conflicting lock
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SYNOPSIS

9       int locks_mandatory_area(struct inode * inode, struct file * filp,
10                                loff_t start, loff_t end, unsigned char type);
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ARGUMENTS

13       inode
14           the file to check
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16       filp
17           how the file was opened (if it was)
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19       start
20           first byte in the file to check
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22       end
23           lastbyte in the file to check
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25       type
26           F_WRLCK for a write lock, else F_RDLCK
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DESCRIPTION

29       Searches the inode's list of locks to find any POSIX locks which
30       conflict.
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33Kernel Hackers Manual 3.10         June 2019           LOCKS_MANDATORY_AREA(9)
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