[PATCH 09/10] staging: lustre: libcfs: remove zero comparisons in headers

From: James Simmons
Date: Fri Nov 18 2016 - 11:51:30 EST


Remove the zero comparisions in the libcfs headers.

Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx>
---
.../lustre/include/linux/libcfs/libcfs_crypto.h | 2 +-
.../lustre/include/linux/libcfs/libcfs_fail.h | 4 +-
.../lustre/include/linux/libcfs/libcfs_hash.h | 32 ++++++++++----------
3 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h
index a0865e5..8f34c5d 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h
@@ -137,7 +137,7 @@ static inline unsigned char cfs_crypto_hash_alg(const char *algname)
enum cfs_crypto_hash_alg hash_alg;

for (hash_alg = 0; hash_alg < CFS_HASH_ALG_MAX; hash_alg++)
- if (strcmp(hash_types[hash_alg].cht_name, algname) == 0)
+ if (!strcmp(hash_types[hash_alg].cht_name, algname))
return hash_alg;

return CFS_HASH_ALG_UNKNOWN;
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h
index 73cbb47..129047e 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h
@@ -71,7 +71,7 @@ enum {

static inline bool CFS_FAIL_PRECHECK(__u32 id)
{
- return cfs_fail_loc != 0 &&
+ return cfs_fail_loc &&
((cfs_fail_loc & CFS_FAIL_MASK_LOC) == (id & CFS_FAIL_MASK_LOC) ||
(cfs_fail_loc & id & CFS_FAULT));
}
@@ -175,7 +175,7 @@ static inline void cfs_race(__u32 id)
cfs_race_state = 0;
CERROR("cfs_race id %x sleeping\n", id);
rc = wait_event_interruptible(cfs_race_waitq,
- cfs_race_state != 0);
+ !!cfs_race_state);
CERROR("cfs_fail_race id %x awake, rc=%d\n", id, rc);
} else {
CERROR("cfs_fail_race id %x waking\n", id);
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h
index d0ba3e0..6231f47 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h
@@ -342,34 +342,34 @@ struct cfs_hash_ops {
cfs_hash_with_no_lock(struct cfs_hash *hs)
{
/* caller will serialize all operations for this hash-table */
- return (hs->hs_flags & CFS_HASH_NO_LOCK) != 0;
+ return hs->hs_flags & CFS_HASH_NO_LOCK;
}

static inline int
cfs_hash_with_no_bktlock(struct cfs_hash *hs)
{
/* no bucket lock, one single lock to protect the hash-table */
- return (hs->hs_flags & CFS_HASH_NO_BKTLOCK) != 0;
+ return hs->hs_flags & CFS_HASH_NO_BKTLOCK;
}

static inline int
cfs_hash_with_rw_bktlock(struct cfs_hash *hs)
{
/* rwlock to protect hash bucket */
- return (hs->hs_flags & CFS_HASH_RW_BKTLOCK) != 0;
+ return hs->hs_flags & CFS_HASH_RW_BKTLOCK;
}

static inline int
cfs_hash_with_spin_bktlock(struct cfs_hash *hs)
{
/* spinlock to protect hash bucket */
- return (hs->hs_flags & CFS_HASH_SPIN_BKTLOCK) != 0;
+ return hs->hs_flags & CFS_HASH_SPIN_BKTLOCK;
}

static inline int
cfs_hash_with_add_tail(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_ADD_TAIL) != 0;
+ return hs->hs_flags & CFS_HASH_ADD_TAIL;
}

static inline int
@@ -380,55 +380,55 @@ struct cfs_hash_ops {
* item can't be removed from hash unless it's
* ZERO refcount
*/
- return (hs->hs_flags & CFS_HASH_NO_ITEMREF) != 0;
+ return hs->hs_flags & CFS_HASH_NO_ITEMREF;
}

static inline int
cfs_hash_with_bigname(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_BIGNAME) != 0;
+ return hs->hs_flags & CFS_HASH_BIGNAME;
}

static inline int
cfs_hash_with_counter(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_COUNTER) != 0;
+ return hs->hs_flags & CFS_HASH_COUNTER;
}

static inline int
cfs_hash_with_rehash(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_REHASH) != 0;
+ return hs->hs_flags & CFS_HASH_REHASH;
}

static inline int
cfs_hash_with_rehash_key(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_REHASH_KEY) != 0;
+ return hs->hs_flags & CFS_HASH_REHASH_KEY;
}

static inline int
cfs_hash_with_shrink(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_SHRINK) != 0;
+ return hs->hs_flags & CFS_HASH_SHRINK;
}

static inline int
cfs_hash_with_assert_empty(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_ASSERT_EMPTY) != 0;
+ return hs->hs_flags & CFS_HASH_ASSERT_EMPTY;
}

static inline int
cfs_hash_with_depth(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_DEPTH) != 0;
+ return hs->hs_flags & CFS_HASH_DEPTH;
}

static inline int
cfs_hash_with_nblk_change(struct cfs_hash *hs)
{
- return (hs->hs_flags & CFS_HASH_NBLK_CHANGE) != 0;
+ return hs->hs_flags & CFS_HASH_NBLK_CHANGE;
}

static inline int
@@ -442,14 +442,14 @@ struct cfs_hash_ops {
cfs_hash_is_rehashing(struct cfs_hash *hs)
{
/* rehash is launched */
- return hs->hs_rehash_bits != 0;
+ return !!hs->hs_rehash_bits;
}

static inline int
cfs_hash_is_iterating(struct cfs_hash *hs)
{
/* someone is calling cfs_hash_for_each_* */
- return hs->hs_iterating || hs->hs_iterators != 0;
+ return hs->hs_iterating || hs->hs_iterators;
}

static inline int
--
1.7.1