16 lines
514 B
C
16 lines
514 B
C
#ifndef __VFS_LOCK_H__
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#define __VFS_LOCK_H__
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/* This is the file locking table. Like the filp table, it points to the
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* inode table, however, in this case to achieve advisory locking.
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*/
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EXTERN struct file_lock {
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short lock_type; /* F_RDLOCK or F_WRLOCK; 0 means unused slot */
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pid_t lock_pid; /* pid of the process holding the lock */
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struct vnode *lock_vnode;
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off_t lock_first; /* offset of first byte locked */
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off_t lock_last; /* offset of last byte locked */
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} file_lock[NR_LOCKS];
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#endif
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