From: Markus Elfring <[email protected]>
Date: Mon, 12 Sep 2016 20:10:13 +0200

* Replace the source code "sizeof (" by "sizeof("
  according to the Linux coding style convention.

* Improve indentation at some places.

Signed-off-by: Markus Elfring <[email protected]>
---
 drivers/block/rbd.c | 112 ++++++++++++++++++++++++++++++----------------------
 1 file changed, 64 insertions(+), 48 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 8897815..4ed6983 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -101,7 +101,7 @@ static int atomic_dec_return_safe(atomic_t *v)
 
 #define RBD_SNAP_DEV_NAME_PREFIX       "snap_"
 #define RBD_MAX_SNAP_NAME_LEN  \
-                       (NAME_MAX - (sizeof (RBD_SNAP_DEV_NAME_PREFIX) - 1))
+                       (NAME_MAX - (sizeof(RBD_SNAP_DEV_NAME_PREFIX) - 1))
 
 #define RBD_MAX_SNAP_COUNT     510     /* allows max snapc to fit in 4KB */
 
@@ -110,7 +110,7 @@ static int atomic_dec_return_safe(atomic_t *v)
 #define        BAD_SNAP_INDEX  U32_MAX         /* invalid index into snap 
array */
 
 /* This allows a single page to hold an image name sent by OSD */
-#define RBD_IMAGE_NAME_LEN_MAX (PAGE_SIZE - sizeof (__le32) - 1)
+#define RBD_IMAGE_NAME_LEN_MAX (PAGE_SIZE - sizeof(__le32) - 1)
 #define RBD_IMAGE_ID_LEN_MAX   64
 
 #define RBD_OBJ_PREFIX_LEN_MAX 64
@@ -931,7 +931,7 @@ static bool rbd_dev_ondisk_valid(struct 
rbd_image_header_ondisk *ondisk)
        u32 snap_count;
 
        /* The header has to start with the magic rbd header text */
-       if (memcmp(&ondisk->text, RBD_HEADER_TEXT, sizeof (RBD_HEADER_TEXT)))
+       if (memcmp(&ondisk->text, RBD_HEADER_TEXT, sizeof(RBD_HEADER_TEXT)))
                return false;
 
        /* The bio layer requires at least sector-sized I/O */
@@ -941,7 +941,7 @@ static bool rbd_dev_ondisk_valid(struct 
rbd_image_header_ondisk *ondisk)
 
        /* If we use u64 in a few spots we may be able to loosen this */
 
-       if (ondisk->options.order > 8 * sizeof (int) - 1)
+       if (ondisk->options.order > 8 * sizeof(int) - 1)
                return false;
 
        /*
@@ -949,15 +949,15 @@ static bool rbd_dev_ondisk_valid(struct 
rbd_image_header_ondisk *ondisk)
         * that limits the number of snapshots.
         */
        snap_count = le32_to_cpu(ondisk->snap_count);
-       size = SIZE_MAX - sizeof (struct ceph_snap_context);
-       if (snap_count > size / sizeof (__le64))
+       size = SIZE_MAX - sizeof(struct ceph_snap_context);
+       if (snap_count > size / sizeof(__le64))
                return false;
 
        /*
         * Not only that, but the size of the entire the snapshot
         * header must also be representable in a size_t.
         */
-       size -= snap_count * sizeof (__le64);
+       size -= snap_count * sizeof(__le64);
        if ((u64) size < le64_to_cpu(ondisk->snap_names_len))
                return false;
 
@@ -987,7 +987,7 @@ static int rbd_header_from_disk(struct rbd_device *rbd_dev,
                size_t len;
 
                len = strnlen(ondisk->object_prefix,
-                               sizeof (ondisk->object_prefix));
+                             sizeof(ondisk->object_prefix));
                object_prefix = kmalloc(len + 1, GFP_KERNEL);
                if (!object_prefix)
                        return -ENOMEM;
@@ -1121,7 +1121,7 @@ static u32 rbd_dev_snap_index(struct rbd_device *rbd_dev, 
u64 snap_id)
        u64 *found;
 
        found = bsearch(&snap_id, &snapc->snaps, snapc->num_snaps,
-                               sizeof (snap_id), snapid_compare_reverse);
+                       sizeof(snap_id), snapid_compare_reverse);
 
        return found ? (u32)(found - &snapc->snaps[0]) : BAD_SNAP_INDEX;
 }
@@ -2906,7 +2906,7 @@ static int rbd_img_obj_exists_submit(struct 
rbd_obj_request *obj_request)
         *         le32 tv_nsec;
         *     } mtime;
         */
-       size = sizeof (__le64) + sizeof (__le32) + sizeof (__le32);
+       size = sizeof(__le64) + sizeof(__le32) + sizeof(__le32);
        page_count = (u32)calc_pages_for(0, size);
        pages = ceph_alloc_page_vector(page_count, GFP_KERNEL);
        if (IS_ERR(pages))
@@ -4023,7 +4023,7 @@ static int rbd_obj_method_sync(struct rbd_device *rbd_dev,
        if (outbound_size) {
                struct ceph_pagelist *pagelist;
 
-               pagelist = kmalloc(sizeof (*pagelist), GFP_NOFS);
+               pagelist = kmalloc(sizeof(*pagelist), GFP_NOFS);
                if (!pagelist)
                        goto out;
 
@@ -4332,8 +4332,8 @@ static int rbd_dev_v1_header_info(struct rbd_device 
*rbd_dev)
 
                kfree(ondisk);
 
-               size = sizeof (*ondisk);
-               size += snap_count * sizeof (struct rbd_image_snap_ondisk);
+               size = sizeof(*ondisk);
+               size += snap_count * sizeof(struct rbd_image_snap_ondisk);
                size += names_size;
                ondisk = kmalloc(size, GFP_KERNEL);
                if (!ondisk)
@@ -4797,7 +4797,7 @@ static struct rbd_spec *rbd_spec_alloc(void)
 {
        struct rbd_spec *spec;
 
-       spec = kzalloc(sizeof (*spec), GFP_KERNEL);
+       spec = kzalloc(sizeof(*spec), GFP_KERNEL);
        if (!spec)
                return NULL;
 
@@ -4961,14 +4961,18 @@ static int _rbd_dev_v2_snap_size(struct rbd_device 
*rbd_dev, u64 snap_id,
                __le64 size;
        } __attribute__ ((packed)) size_buf = { 0 };
 
-       ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_oid.name,
-                               "rbd", "get_size",
-                               &snapid, sizeof (snapid),
-                               &size_buf, sizeof (size_buf));
+       ret = rbd_obj_method_sync(rbd_dev,
+                                 rbd_dev->header_oid.name,
+                                 "rbd",
+                                 "get_size",
+                                 &snapid,
+                                 sizeof(snapid),
+                                 &size_buf,
+                                 sizeof(size_buf));
        dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);
        if (ret < 0)
                return ret;
-       if (ret < sizeof (size_buf))
+       if (ret < sizeof(size_buf))
                return -ERANGE;
 
        if (order) {
@@ -5036,14 +5040,18 @@ static int _rbd_dev_v2_snap_features(struct rbd_device 
*rbd_dev, u64 snap_id,
        u64 unsup;
        int ret;
 
-       ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_oid.name,
-                               "rbd", "get_features",
-                               &snapid, sizeof (snapid),
-                               &features_buf, sizeof (features_buf));
+       ret = rbd_obj_method_sync(rbd_dev,
+                                 rbd_dev->header_oid.name,
+                                 "rbd",
+                                 "get_features",
+                                 &snapid,
+                                 sizeof(snapid),
+                                 &features_buf,
+                                 sizeof(features_buf));
        dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);
        if (ret < 0)
                return ret;
-       if (ret < sizeof (features_buf))
+       if (ret < sizeof(features_buf))
                return -ERANGE;
 
        unsup = le64_to_cpu(features_buf.incompat) & ~RBD_FEATURES_SUPPORTED;
@@ -5087,10 +5095,10 @@ static int rbd_dev_v2_parent_info(struct rbd_device 
*rbd_dev)
        if (!parent_spec)
                return -ENOMEM;
 
-       size = sizeof (__le64) +                                /* pool_id */
-               sizeof (__le32) + RBD_IMAGE_ID_LEN_MAX +        /* image_id */
-               sizeof (__le64) +                               /* snap_id */
-               sizeof (__le64);                                /* overlap */
+       size = sizeof(__le64) +                         /* pool_id */
+              sizeof(__le32) + RBD_IMAGE_ID_LEN_MAX +  /* image_id */
+              sizeof(__le64) +                         /* snap_id */
+              sizeof(__le64);                          /* overlap */
        reply_buf = kmalloc(size, GFP_KERNEL);
        if (!reply_buf) {
                ret = -ENOMEM;
@@ -5098,10 +5106,14 @@ static int rbd_dev_v2_parent_info(struct rbd_device 
*rbd_dev)
        }
 
        snapid = cpu_to_le64(rbd_dev->spec->snap_id);
-       ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_oid.name,
-                               "rbd", "get_parent",
-                               &snapid, sizeof (snapid),
-                               reply_buf, size);
+       ret = rbd_obj_method_sync(rbd_dev,
+                                 rbd_dev->header_oid.name,
+                                 "rbd",
+                                 "get_parent",
+                                 &snapid,
+                                 sizeof(snapid),
+                                 reply_buf,
+                                 size);
        dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);
        if (ret < 0)
                goto free_buffer;
@@ -5194,7 +5206,7 @@ static int rbd_dev_v2_striping_info(struct rbd_device 
*rbd_dev)
                __le64 stripe_unit;
                __le64 stripe_count;
        } __attribute__ ((packed)) striping_info_buf = { 0 };
-       size_t size = sizeof (striping_info_buf);
+       size_t size = sizeof(striping_info_buf);
        void *p;
        u64 obj_size;
        u64 stripe_unit;
@@ -5253,7 +5265,7 @@ static char *rbd_dev_image_name(struct rbd_device 
*rbd_dev)
        rbd_assert(!rbd_dev->spec->image_name);
 
        len = strlen(rbd_dev->spec->image_id);
-       image_id_size = sizeof (__le32) + len;
+       image_id_size = sizeof(__le32) + len;
        image_id = kmalloc(image_id_size, GFP_KERNEL);
        if (!image_id)
                return NULL;
@@ -5262,7 +5274,7 @@ static char *rbd_dev_image_name(struct rbd_device 
*rbd_dev)
        end = image_id + image_id_size;
        ceph_encode_string(&p, end, rbd_dev->spec->image_id, (u32)len);
 
-       size = sizeof (__le32) + RBD_IMAGE_NAME_LEN_MAX;
+       size = sizeof(__le32) + RBD_IMAGE_NAME_LEN_MAX;
        reply_buf = kmalloc(size, GFP_KERNEL);
        if (!reply_buf)
                goto free_id;
@@ -5443,8 +5455,8 @@ static int rbd_dev_v2_snap_context(struct rbd_device 
*rbd_dev)
         * For now we have a fixed upper limit on the number we're
         * prepared to receive.
         */
-       size = sizeof (__le64) + sizeof (__le32) +
-                       RBD_MAX_SNAP_COUNT * sizeof (__le64);
+       size = sizeof(__le64) + sizeof(__le32) +
+              RBD_MAX_SNAP_COUNT * sizeof(__le64);
        reply_buf = kzalloc(size, GFP_KERNEL);
        if (!reply_buf)
                return -ENOMEM;
@@ -5468,12 +5480,12 @@ static int rbd_dev_v2_snap_context(struct rbd_device 
*rbd_dev)
         * make sure the computed size of the snapshot context we
         * allocate is representable in a size_t.
         */
-       if (snap_count > (SIZE_MAX - sizeof (struct ceph_snap_context))
-                                / sizeof (u64)) {
+       if (snap_count > (SIZE_MAX - sizeof(struct ceph_snap_context))
+                        / sizeof(u64)) {
                ret = -EINVAL;
                goto free_buffer;
        }
-       if (!ceph_has_room(&p, end, snap_count * sizeof (__le64)))
+       if (!ceph_has_room(&p, end, snap_count * sizeof(__le64)))
                goto free_buffer;
        ret = 0;
 
@@ -5508,16 +5520,20 @@ static const char *rbd_dev_v2_snap_name(struct 
rbd_device *rbd_dev,
        void *end;
        char *snap_name;
 
-       size = sizeof (__le32) + RBD_MAX_SNAP_NAME_LEN;
+       size = sizeof(__le32) + RBD_MAX_SNAP_NAME_LEN;
        reply_buf = kmalloc(size, GFP_KERNEL);
        if (!reply_buf)
                return ERR_PTR(-ENOMEM);
 
        snapid = cpu_to_le64(snap_id);
-       ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_oid.name,
-                               "rbd", "get_snapshot_name",
-                               &snapid, sizeof (snapid),
-                               reply_buf, size);
+       ret = rbd_obj_method_sync(rbd_dev,
+                                 rbd_dev->header_oid.name,
+                                 "rbd",
+                                 "get_snapshot_name",
+                                 &snapid,
+                                 sizeof(snapid),
+                                 reply_buf,
+                                 size);
        dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);
        if (ret < 0) {
                snap_name = ERR_PTR(ret);
@@ -5728,7 +5744,7 @@ static int rbd_add_parse_args(const char *buf,
        len = next_token(&buf);
        if (!len) {
                buf = RBD_SNAP_HEAD_NAME; /* No snapshot supplied */
-               len = sizeof (RBD_SNAP_HEAD_NAME) - 1;
+               len = sizeof(RBD_SNAP_HEAD_NAME) - 1;
        } else if (len > RBD_MAX_SNAP_NAME_LEN) {
                ret = -ENAMETOOLONG;
                goto free_options;
@@ -5741,7 +5757,7 @@ static int rbd_add_parse_args(const char *buf,
 
        /* Initialize all rbd options to the defaults */
 
-       rbd_opts = kzalloc(sizeof (*rbd_opts), GFP_KERNEL);
+       rbd_opts = kzalloc(sizeof(*rbd_opts), GFP_KERNEL);
        if (!rbd_opts)
                goto status_indication;
 
@@ -5906,7 +5922,7 @@ static void rbd_dev_unprobe(struct rbd_device *rbd_dev)
        kfree(header->snap_sizes);
        kfree(header->snap_names);
        kfree(header->object_prefix);
-       memset(header, 0, sizeof (*header));
+       memset(header, 0, sizeof(*header));
 }
 
 static int rbd_dev_v2_header_onetime(struct rbd_device *rbd_dev)
-- 
2.10.0

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