提交 e8c96f8c 编写于 作者: T Tobias Klauser 提交者: Linus Torvalds

[PATCH] fs: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a
duplicate of ARRAY_SIZE.  Some trailing whitespaces are also deleted.
Signed-off-by: NTobias Klauser <tklauser@nuerscht.ch>
Cc: David Howells <dhowells@redhat.com>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Nathan Scott <nathans@sgi.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 b5029622
......@@ -94,7 +94,7 @@ static struct rxrpc_service AFSCM_service = {
.error_func = afscm_error,
.aemap_func = afscm_aemap,
.ops_begin = &AFSCM_ops[0],
.ops_end = &AFSCM_ops[sizeof(AFSCM_ops) / sizeof(AFSCM_ops[0])],
.ops_end = &AFSCM_ops[ARRAY_SIZE(AFSCM_ops)],
};
static DECLARE_COMPLETION(kafscmd_alive);
......
......@@ -1522,8 +1522,7 @@ static struct {
{ ATM_QUERYLOOP32, ATM_QUERYLOOP }
};
#define NR_ATM_IOCTL (sizeof(atm_ioctl_map)/sizeof(atm_ioctl_map[0]))
#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
{
......@@ -1824,7 +1823,7 @@ static struct {
{ FDWERRORGET32, FDWERRORGET }
};
#define NR_FD_IOCTL_TRANS (sizeof(fd_ioctl_trans_table)/sizeof(fd_ioctl_trans_table[0]))
#define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table)
static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
......
......@@ -111,7 +111,7 @@ static struct {
{ "loglevel", loglevel_read, loglevel_write }
#endif
};
#define NPROCENT (sizeof(Entries)/sizeof(Entries[0]))
#define NPROCENT ARRAY_SIZE(Entries)
void jfs_proc_init(void)
{
......
......@@ -224,8 +224,8 @@ static struct rpc_procinfo nsm_procedures[] = {
};
static struct rpc_version nsm_version1 = {
.number = 1,
.nrprocs = sizeof(nsm_procedures)/sizeof(nsm_procedures[0]),
.number = 1,
.nrprocs = ARRAY_SIZE(nsm_procedures),
.procs = nsm_procedures
};
......@@ -238,7 +238,7 @@ static struct rpc_stat nsm_stats;
static struct rpc_program nsm_program = {
.name = "statd",
.number = SM_PROGRAM,
.nrvers = sizeof(nsm_version)/sizeof(nsm_version[0]),
.nrvers = ARRAY_SIZE(nsm_version),
.version = nsm_version,
.stats = &nsm_stats
};
......@@ -509,7 +509,7 @@ static struct svc_version * nlmsvc_version[] = {
static struct svc_stat nlmsvc_stats;
#define NLM_NRVERS (sizeof(nlmsvc_version)/sizeof(nlmsvc_version[0]))
#define NLM_NRVERS ARRAY_SIZE(nlmsvc_version)
static struct svc_program nlmsvc_program = {
.pg_prog = NLM_PROGRAM, /* program number */
.pg_nvers = NLM_NRVERS, /* number of entries in nlmsvc_version */
......
......@@ -599,7 +599,7 @@ static struct rpc_stat nlm_stats;
struct rpc_program nlm_program = {
.name = "lockd",
.number = NLM_PROGRAM,
.nrvers = sizeof(nlm_versions) / sizeof(nlm_versions[0]),
.nrvers = ARRAY_SIZE(nlm_versions),
.version = nlm_versions,
.stats = &nlm_stats,
};
......
......@@ -103,7 +103,7 @@ static struct rpc_version * nfs_version[] = {
static struct rpc_program nfs_program = {
.name = "nfs",
.number = NFS_PROGRAM,
.nrvers = sizeof(nfs_version) / sizeof(nfs_version[0]),
.nrvers = ARRAY_SIZE(nfs_version),
.version = nfs_version,
.stats = &nfs_rpcstat,
.pipe_dir_name = "/nfs",
......@@ -118,7 +118,7 @@ static struct rpc_version * nfsacl_version[] = {
struct rpc_program nfsacl_program = {
.name = "nfsacl",
.number = NFS_ACL_PROGRAM,
.nrvers = sizeof(nfsacl_version) / sizeof(nfsacl_version[0]),
.nrvers = ARRAY_SIZE(nfsacl_version),
.version = nfsacl_version,
.stats = &nfsacl_rpcstat,
};
......
......@@ -174,7 +174,7 @@ static struct rpc_stat mnt_stats;
static struct rpc_program mnt_program = {
.name = "mount",
.number = NFS_MNT_PROGRAM,
.nrvers = sizeof(mnt_version)/sizeof(mnt_version[0]),
.nrvers = ARRAY_SIZE(mnt_version),
.version = mnt_version,
.stats = &mnt_stats,
};
......@@ -704,6 +704,6 @@ struct rpc_procinfo nfs_procedures[] = {
struct rpc_version nfs_version2 = {
.number = 2,
.nrprocs = sizeof(nfs_procedures)/sizeof(nfs_procedures[0]),
.nrprocs = ARRAY_SIZE(nfs_procedures),
.procs = nfs_procedures
};
......@@ -1138,7 +1138,7 @@ struct rpc_procinfo nfs3_procedures[] = {
struct rpc_version nfs_version3 = {
.number = 3,
.nrprocs = sizeof(nfs3_procedures)/sizeof(nfs3_procedures[0]),
.nrprocs = ARRAY_SIZE(nfs3_procedures),
.procs = nfs3_procedures
};
......
......@@ -4384,7 +4384,7 @@ struct rpc_procinfo nfs4_procedures[] = {
struct rpc_version nfs_version4 = {
.number = 4,
.nrprocs = sizeof(nfs4_procedures)/sizeof(nfs4_procedures[0]),
.nrprocs = ARRAY_SIZE(nfs4_procedures),
.procs = nfs4_procedures
};
......
......@@ -101,7 +101,7 @@ asmlinkage sys_nfsservctl(int cmd, struct nfsctl_arg __user *arg, void __user *r
if (version != NFSCTL_VERSION)
return -EINVAL;
if (cmd < 0 || cmd >= sizeof(map)/sizeof(map[0]) || !map[cmd].name)
if (cmd < 0 || cmd >= ARRAY_SIZE(map) || !map[cmd].name)
return -EINVAL;
file = do_open(map[cmd].name, map[cmd].rsize ? O_RDWR : O_WRONLY);
......
......@@ -907,7 +907,7 @@ nfs4_acl_get_whotype(char *p, u32 len)
{
int i;
for (i=0; i < sizeof(s2t_map) / sizeof(*s2t_map); i++) {
for (i = 0; i < ARRAY_SIZE(s2t_map); i++) {
if (s2t_map[i].stringlen == len &&
0 == memcmp(s2t_map[i].string, p, len))
return s2t_map[i].type;
......@@ -920,7 +920,7 @@ nfs4_acl_write_who(int who, char *p)
{
int i;
for (i=0; i < sizeof(s2t_map) / sizeof(*s2t_map); i++) {
for (i = 0; i < ARRAY_SIZE(s2t_map); i++) {
if (s2t_map[i].type == who) {
memcpy(p, s2t_map[i].string, s2t_map[i].stringlen);
return s2t_map[i].stringlen;
......
......@@ -335,7 +335,7 @@ static struct rpc_procinfo nfs4_cb_procedures[] = {
static struct rpc_version nfs_cb_version4 = {
.number = 1,
.nrprocs = sizeof(nfs4_cb_procedures)/sizeof(nfs4_cb_procedures[0]),
.nrprocs = ARRAY_SIZE(nfs4_cb_procedures),
.procs = nfs4_cb_procedures
};
......@@ -411,7 +411,7 @@ nfsd4_probe_callback(struct nfs4_client *clp)
/* Initialize rpc_program */
program->name = "nfs4_cb";
program->number = cb->cb_prog;
program->nrvers = sizeof(nfs_cb_version)/sizeof(nfs_cb_version[0]);
program->nrvers = ARRAY_SIZE(nfs_cb_version);
program->version = nfs_cb_version;
program->stats = stat;
......
......@@ -992,7 +992,7 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
if (argp->opcnt > 100)
goto xdr_error;
if (argp->opcnt > sizeof(argp->iops)/sizeof(argp->iops[0])) {
if (argp->opcnt > ARRAY_SIZE(argp->iops)) {
argp->ops = kmalloc(argp->opcnt * sizeof(*argp->ops), GFP_KERNEL);
if (!argp->ops) {
argp->ops = argp->iops;
......
......@@ -105,7 +105,7 @@ static ssize_t nfsctl_transaction_write(struct file *file, const char __user *bu
char *data;
ssize_t rv;
if (ino >= sizeof(write_op)/sizeof(write_op[0]) || !write_op[ino])
if (ino >= ARRAY_SIZE(write_op) || !write_op[ino])
return -EINVAL;
data = simple_transaction_get(file, buf, size);
......
......@@ -72,7 +72,7 @@ static struct svc_version * nfsd_acl_version[] = {
};
#define NFSD_ACL_MINVERS 2
#define NFSD_ACL_NRVERS (sizeof(nfsd_acl_version)/sizeof(nfsd_acl_version[0]))
#define NFSD_ACL_NRVERS ARRAY_SIZE(nfsd_acl_version)
static struct svc_version *nfsd_acl_versions[NFSD_ACL_NRVERS];
static struct svc_program nfsd_acl_program = {
......@@ -101,7 +101,7 @@ static struct svc_version * nfsd_version[] = {
};
#define NFSD_MINVERS 2
#define NFSD_NRVERS (sizeof(nfsd_version)/sizeof(nfsd_version[0]))
#define NFSD_NRVERS ARRAY_SIZE(nfsd_version)
static struct svc_version *nfsd_versions[NFSD_NRVERS];
struct svc_program nfsd_program = {
......
......@@ -268,8 +268,6 @@ static unsigned char euc2sjisibm_g3upper_map[][2] = {
{0xFC, 0x4B},
};
#define MAP_ELEMENT_OF(map) (sizeof(map) / sizeof(map[0]))
static inline int sjisibm2euc(unsigned char *euc, const unsigned char sjis_hi,
const unsigned char sjis_lo);
static inline int euc2sjisibm_jisx0212(unsigned char *sjis, const unsigned char euc_hi,
......@@ -310,7 +308,7 @@ static inline int euc2sjisibm_jisx0212(unsigned char *sjis, const unsigned char
unsigned short euc;
min_index = 0;
max_index = MAP_ELEMENT_OF(euc2sjisibm_jisx0212_map) - 1;
max_index = ARRAY_SIZE(euc2sjisibm_jisx0212_map) - 1;
euc = (euc_hi << 8) | euc_lo;
while (min_index <= max_index) {
......@@ -339,7 +337,7 @@ static inline int euc2sjisibm_g3upper(unsigned char *sjis, const unsigned char e
else
index = ((euc_hi << 8) | euc_lo) - 0xF4A1 + 12;
if ((index < 0) || (index >= MAP_ELEMENT_OF(euc2sjisibm_g3upper_map)))
if ((index < 0) || (index >= ARRAY_SIZE(euc2sjisibm_g3upper_map)))
return 0;
sjis[0] = euc2sjisibm_g3upper_map[index][0];
......
......@@ -601,8 +601,7 @@ void store_print_tb(struct tree_balance *tb)
tb->tb_mode, PATH_LAST_POSITION(tb->tb_path),
tb->tb_path->pos_in_item);
for (h = 0; h < sizeof(tb->insert_size) / sizeof(tb->insert_size[0]);
h++) {
for (h = 0; h < ARRAY_SIZE(tb->insert_size); h++) {
if (PATH_H_PATH_OFFSET(tb->tb_path, h) <=
tb->tb_path->path_length
&& PATH_H_PATH_OFFSET(tb->tb_path,
......@@ -658,15 +657,13 @@ void store_print_tb(struct tree_balance *tb)
/* print FEB list (list of buffers in form (bh (b_blocknr, b_count), that will be used for new nodes) */
h = 0;
for (i = 0; i < sizeof(tb->FEB) / sizeof(tb->FEB[0]); i++)
for (i = 0; i < ARRAY_SIZE(tb->FEB); i++)
sprintf(print_tb_buf + strlen(print_tb_buf),
"%p (%llu %d)%s", tb->FEB[i],
tb->FEB[i] ? (unsigned long long)tb->FEB[i]->
b_blocknr : 0ULL,
tb->FEB[i] ? atomic_read(&(tb->FEB[i]->b_count)) : 0,
(i ==
sizeof(tb->FEB) / sizeof(tb->FEB[0]) -
1) ? "\n" : ", ");
(i == ARRAY_SIZE(tb->FEB) - 1) ? "\n" : ", ");
sprintf(print_tb_buf + strlen(print_tb_buf),
"======================== the end ====================================\n");
......
......@@ -377,10 +377,10 @@ static int sysv_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_sb = sb;
sbi->s_block_base = 0;
sb->s_fs_info = sbi;
sb_set_blocksize(sb, BLOCK_SIZE);
for (i = 0; i < sizeof(flavours)/sizeof(flavours[0]) && !size; i++) {
for (i = 0; i < ARRAY_SIZE(flavours) && !size; i++) {
brelse(bh);
bh = sb_bread(sb, flavours[i].block);
if (!bh)
......
......@@ -660,8 +660,7 @@ udf_find_anchor(struct super_block *sb)
* lastblock
* however, if the disc isn't closed, it could be 512 */
for (i=0; (!lastblock && i<sizeof(last)/sizeof(int)); i++)
{
for (i = 0; !lastblock && i < ARRAY_SIZE(last); i++) {
if (last[i] < 0 || !(bh = sb_bread(sb, last[i])))
{
ident = location = 0;
......@@ -672,7 +671,7 @@ udf_find_anchor(struct super_block *sb)
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
udf_release_data(bh);
}
if (ident == TAG_IDENT_AVDP)
{
if (location == last[i] - UDF_SB_SESSION(sb))
......@@ -753,8 +752,7 @@ udf_find_anchor(struct super_block *sb)
}
}
for (i=0; i<sizeof(UDF_SB_ANCHOR(sb))/sizeof(int); i++)
{
for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
if (UDF_SB_ANCHOR(sb)[i])
{
if (!(bh = udf_read_tagged(sb,
......@@ -1313,8 +1311,7 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
if (!sb)
return 1;
for (i=0; i<sizeof(UDF_SB_ANCHOR(sb))/sizeof(int); i++)
{
for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
if (UDF_SB_ANCHOR(sb)[i] && (bh = udf_read_tagged(sb,
UDF_SB_ANCHOR(sb)[i], UDF_SB_ANCHOR(sb)[i], &ident)))
{
......@@ -1325,7 +1322,7 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
main_e = le32_to_cpu( anchor->mainVolDescSeqExt.extLength );
main_e = main_e >> sb->s_blocksize_bits;
main_e += main_s;
/* Locate the reserve sequence */
reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation);
reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength);
......@@ -1344,12 +1341,10 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
}
}
if (i == sizeof(UDF_SB_ANCHOR(sb))/sizeof(int))
{
if (i == ARRAY_SIZE(UDF_SB_ANCHOR(sb))) {
udf_debug("No Anchor block found\n");
return 1;
}
else
} else
udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]);
for (i=0; i<UDF_SB_NUMPARTS(sb); i++)
......
......@@ -56,7 +56,7 @@ xfs_read_xfsstats(
};
/* Loop over all stats groups */
for (i=j=len = 0; i < sizeof(xstats)/sizeof(struct xstats_entry); i++) {
for (i=j=len = 0; i < ARRAY_SIZE(xstats); i++) {
len += sprintf(buffer + len, xstats[i].desc);
/* inner loop does each group */
while (j < xstats[i].endpoint) {
......
......@@ -1335,7 +1335,7 @@ xfs_inactive_symlink_rmt(
*/
done = 0;
XFS_BMAP_INIT(&free_list, &first_block);
nmaps = sizeof(mval) / sizeof(mval[0]);
nmaps = ARRAY_SIZE(mval);
if ((error = xfs_bmapi(tp, ip, 0, XFS_B_TO_FSB(mp, size),
XFS_BMAPI_METADATA, &first_block, 0, mval, &nmaps,
&free_list)))
......
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