Searched refs:rdwrlock (Results 1 - 2 of 2) sorted by relevance

/linux-master/fs/jfs/
H A Djfs_incore.h52 * rdwrlock serializes xtree between reads & writes and synchronizes
56 struct rw_semaphore rdwrlock; member in struct:jfs_inode_info
109 down_read_nested(&JFS_IP(ip)->rdwrlock, subclass)
110 #define IREAD_UNLOCK(ip) up_read(&JFS_IP(ip)->rdwrlock)
112 down_write_nested(&JFS_IP(ip)->rdwrlock, subclass)
113 #define IWRITE_UNLOCK(ip) up_write(&JFS_IP(ip)->rdwrlock)
140 * rdwrlock subclasses:
H A Dsuper.c920 init_rwsem(&jfs_ip->rdwrlock);

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