Query: lock_may_read
OS: suse
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
LOCK_MAY_READ(9) The Linux VFS LOCK_MAY_READ(9)NAMElock_may_read - checks that the region is free of locksSYNOPSISint lock_may_read(struct inode * inode, loff_t start, unsigned long len);ARGUMENTSinode the inode that is being read start the first byte to read len the number of bytes to readDESCRIPTIONEmulates Windows locking requirements. Whole-file mandatory locks (share modes) can prohibit a read and byte-range POSIX locks can prohibit a read if they overlap. N.B. this function is only ever called from knfsd and ownership of locks is never checked.COPYRIGHTKernel Hackers Manual 2.6. July 2010 LOCK_MAY_READ(9)
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