linux-master/fs/inode.c

71 static DEFINE_PER_CPU(unsigned long, nr_inodes);
72 static DEFINE_PER_CPU(unsigned long, nr_unused);
76 static long get_nr_inodes(void)
79 	long sum = 0;
85 static inline long get_nr_inodes_unused(void)
88 	long sum = 0;
94 long get_nr_dirty_inodes(void)
97 	long nr_dirty = get_nr_inodes() - get_nr_inodes_unused();
122 		.maxlen		= 2*sizeof(long),
129 		.maxlen		= 7*sizeof(long),
510 static unsigned long hash(struct super_block *sb, unsigned long hashval)
512 	unsigned long tmp;
514 	tmp = (hashval * (unsigned long)sb) ^ (GOLDEN_RATIO_PRIME + hashval) /
523  *	@hashval: unsigned long value used to locate this object in the
528 void __insert_inode_hash(struct inode *inode, unsigned long hashval)
563 	unsigned long ino;
617 	 * two known and long-standing ways in which nodes may get left behind
850 			unsigned long reap;
878 long prune_icache_sb(struct super_block *sb, struct shrink_control *sc)
881 	long freed;
927 				struct hlist_head *head, unsigned long ino)
1155 struct inode *inode_insert5(struct inode *inode, unsigned long hashval,
1228 struct inode *iget5_locked(struct super_block *sb, unsigned long hashval,
1261 struct inode *iget_locked(struct super_block *sb, unsigned long ino)
1329 static int test_inode_iunique(struct super_block *sb, unsigned long ino)
1415 struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval,
1446 struct inode *ilookup5(struct super_block *sb, unsigned long hashval,
1471 struct inode *ilookup(struct super_block *sb, unsigned long ino)
1517 				unsigned long hashval,
1518 				int (*match)(struct inode *, unsigned long,
1564 struct inode *find_inode_rcu(struct super_block *sb, unsigned long hashval,
1603 				    unsigned long ino)
1668 int insert_inode_locked4(struct inode *inode, unsigned long hashval,
1705 	unsigned long state;
1828 	if ((long)(now.tv_sec - atime.tv_sec) >= 24*60*60)
2251 static __initdata unsigned long ihash_entries;
2435  * In the long run, i_mutex is overkill, and we should probably look