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Commit 482db906 authored by Al Viro's avatar Al Viro
Browse files

dcache.c: get rid of pointless macros 



D_HASH{MASK,BITS} are used once each, both in the same function (d_hash()).
At this point they are actively misguiding - they imply that values are
compiler constants, which is no longer true.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 2bc74feb

fs/dcache.c

+2 −4
Original line number Diff line number Diff line
@@ -96,8 +96,6 @@ static struct kmem_cache *dentry_cache __read_mostly; 
 * This hash-function tries to avoid losing too many bits of hash

 * information, yet avoid using a prime hash-size or similar.

 */

#define D_HASHBITS     d_hash_shift

#define D_HASHMASK     d_hash_mask



static unsigned int d_hash_mask __read_mostly;

static unsigned int d_hash_shift __read_mostly;
@@ -108,8 +106,8 @@ static inline struct hlist_bl_head *d_hash(const struct dentry *parent, 
					unsigned int hash)

{

	hash += (unsigned long) parent / L1_CACHE_BYTES;

	hash = hash + (hash >> D_HASHBITS);

	return dentry_hashtable + (hash & D_HASHMASK);

	hash = hash + (hash >> d_hash_shift);

	return dentry_hashtable + (hash & d_hash_mask);

}



/* Statistics gathering. */