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Subject[PATCH 09/15] staging: lustre: more LIBCFS_ALLOC conversions to GFP_KERNEL allocations.
None of these need GFP_NOFS so allocate directly.
Change matching LIBCFS_FREE() to kfree() or kvfree().

Signed-off-by: NeilBrown <neilb@suse.com>
---
.../staging/lustre/lnet/libcfs/linux/linux-cpu.c | 19 +++++++------------
drivers/staging/lustre/lnet/lnet/lib-eq.c | 9 ++++-----
drivers/staging/lustre/lnet/lnet/lib-socket.c | 14 +++++++-------
drivers/staging/lustre/lnet/selftest/conctl.c | 11 +++++------
4 files changed, 23 insertions(+), 30 deletions(-)

diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c
index 44e44a999648..e9156bf05ed4 100644
--- a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c
+++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c
@@ -93,11 +93,7 @@ cfs_cpt_table_free(struct cfs_cpt_table *cptab)
{
int i;

- if (cptab->ctb_cpu2cpt) {
- LIBCFS_FREE(cptab->ctb_cpu2cpt,
- num_possible_cpus() *
- sizeof(cptab->ctb_cpu2cpt[0]));
- }
+ kvfree(cptab->ctb_cpu2cpt);

for (i = 0; cptab->ctb_parts && i < cptab->ctb_nparts; i++) {
struct cfs_cpu_partition *part = &cptab->ctb_parts[i];
@@ -109,10 +105,7 @@ cfs_cpt_table_free(struct cfs_cpt_table *cptab)
free_cpumask_var(part->cpt_cpumask);
}

- if (cptab->ctb_parts) {
- LIBCFS_FREE(cptab->ctb_parts,
- cptab->ctb_nparts * sizeof(cptab->ctb_parts[0]));
- }
+ kvfree(cptab->ctb_parts);

if (cptab->ctb_nodemask)
kfree(cptab->ctb_nodemask);
@@ -140,15 +133,17 @@ cfs_cpt_table_alloc(unsigned int ncpt)
!cptab->ctb_nodemask)
goto failed;

- LIBCFS_ALLOC(cptab->ctb_cpu2cpt,
- num_possible_cpus() * sizeof(cptab->ctb_cpu2cpt[0]));
+ cptab->ctb_cpu2cpt = kvmalloc_array(num_possible_cpus(),
+ sizeof(cptab->ctb_cpu2cpt[0]),
+ GFP_KERNEL);
if (!cptab->ctb_cpu2cpt)
goto failed;

memset(cptab->ctb_cpu2cpt, -1,
num_possible_cpus() * sizeof(cptab->ctb_cpu2cpt[0]));

- LIBCFS_ALLOC(cptab->ctb_parts, ncpt * sizeof(cptab->ctb_parts[0]));
+ cptab->ctb_parts = kvmalloc_array(ncpt, sizeof(cptab->ctb_parts[0]),
+ GFP_KERNEL);
if (!cptab->ctb_parts)
goto failed;

diff --git a/drivers/staging/lustre/lnet/lnet/lib-eq.c b/drivers/staging/lustre/lnet/lnet/lib-eq.c
index 7a4d1f7a693e..a173b69e2f92 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-eq.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-eq.c
@@ -95,7 +95,8 @@ LNetEQAlloc(unsigned int count, lnet_eq_handler_t callback,
return -ENOMEM;

if (count) {
- LIBCFS_ALLOC(eq->eq_events, count * sizeof(struct lnet_event));
+ eq->eq_events = kvmalloc_array(count, sizeof(struct lnet_event),
+ GFP_KERNEL | __GFP_ZERO);
if (!eq->eq_events)
goto failed;
/*
@@ -132,8 +133,7 @@ LNetEQAlloc(unsigned int count, lnet_eq_handler_t callback,
return 0;

failed:
- if (eq->eq_events)
- LIBCFS_FREE(eq->eq_events, count * sizeof(struct lnet_event));
+ kvfree(eq->eq_events);

if (eq->eq_refs)
cfs_percpt_free(eq->eq_refs);
@@ -202,8 +202,7 @@ LNetEQFree(struct lnet_handle_eq eqh)
lnet_eq_wait_unlock();
lnet_res_unlock(LNET_LOCK_EX);

- if (events)
- LIBCFS_FREE(events, size * sizeof(struct lnet_event));
+ kvfree(events);
if (refs)
cfs_percpt_free(refs);

diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c
index 539a26444f31..d3c35887598c 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-socket.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c
@@ -174,7 +174,7 @@ lnet_ipif_enumerate(char ***namesp)
nalloc);
}

- LIBCFS_ALLOC(ifr, nalloc * sizeof(*ifr));
+ ifr = kzalloc(nalloc * sizeof(*ifr), GFP_KERNEL);
if (!ifr) {
CERROR("ENOMEM enumerating up to %d interfaces\n",
nalloc);
@@ -199,14 +199,14 @@ lnet_ipif_enumerate(char ***namesp)
if (nfound < nalloc || toobig)
break;

- LIBCFS_FREE(ifr, nalloc * sizeof(*ifr));
+ kfree(ifr);
nalloc *= 2;
}

if (!nfound)
goto out1;

- LIBCFS_ALLOC(names, nfound * sizeof(*names));
+ names = kzalloc(nfound * sizeof(*names), GFP_KERNEL);
if (!names) {
rc = -ENOMEM;
goto out1;
@@ -222,7 +222,7 @@ lnet_ipif_enumerate(char ***namesp)
goto out2;
}

- LIBCFS_ALLOC(names[i], IFNAMSIZ);
+ names[i] = kmalloc(IFNAMSIZ, GFP_KERNEL);
if (!names[i]) {
rc = -ENOMEM;
goto out2;
@@ -239,7 +239,7 @@ lnet_ipif_enumerate(char ***namesp)
if (rc < 0)
lnet_ipif_free_enumeration(names, nfound);
out1:
- LIBCFS_FREE(ifr, nalloc * sizeof(*ifr));
+ kfree(ifr);
out0:
return rc;
}
@@ -253,9 +253,9 @@ lnet_ipif_free_enumeration(char **names, int n)
LASSERT(n > 0);

for (i = 0; i < n && names[i]; i++)
- LIBCFS_FREE(names[i], IFNAMSIZ);
+ kfree(names[i]);

- LIBCFS_FREE(names, n * sizeof(*names));
+ kfree(names);
}
EXPORT_SYMBOL(lnet_ipif_free_enumeration);

diff --git a/drivers/staging/lustre/lnet/selftest/conctl.c b/drivers/staging/lustre/lnet/selftest/conctl.c
index 442a18ddd41f..34ba440b3c02 100644
--- a/drivers/staging/lustre/lnet/selftest/conctl.c
+++ b/drivers/staging/lustre/lnet/selftest/conctl.c
@@ -648,7 +648,7 @@ static int lst_test_add_ioctl(struct lstio_test_args *args)
return -EINVAL;

if (args->lstio_tes_param) {
- LIBCFS_ALLOC(param, args->lstio_tes_param_len);
+ param = kmalloc(args->lstio_tes_param_len, GFP_KERNEL);
if (!param)
goto out;
if (copy_from_user(param, args->lstio_tes_param,
@@ -678,8 +678,7 @@ static int lst_test_add_ioctl(struct lstio_test_args *args)
rc = (copy_to_user(args->lstio_tes_retp, &ret,
sizeof(ret))) ? -EFAULT : 0;
out:
- if (param)
- LIBCFS_FREE(param, args->lstio_tes_param_len);
+ kfree(param);

return rc;
}
@@ -702,13 +701,13 @@ lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_hdr *hdr)
if (data->ioc_plen1 > PAGE_SIZE)
return -EINVAL;

- LIBCFS_ALLOC(buf, data->ioc_plen1);
+ buf = kmalloc(data->ioc_plen1, GFP_KERNEL);
if (!buf)
return -ENOMEM;

/* copy in parameter */
if (copy_from_user(buf, data->ioc_pbuf1, data->ioc_plen1)) {
- LIBCFS_FREE(buf, data->ioc_plen1);
+ kfree(buf);
return -EFAULT;
}

@@ -798,7 +797,7 @@ lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_hdr *hdr)
out:
mutex_unlock(&console_session.ses_mutex);

- LIBCFS_FREE(buf, data->ioc_plen1);
+ kfree(buf);

return rc;
}

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