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dcache.c: get rid of pointless macros

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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: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-10-25 16:41:01 -04:00
parent 2bc74feba1
commit 482db90661
1 changed files with 2 additions and 4 deletions
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6
fs/dcache.c
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@ -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. */