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Message-Id: <eb455c85854302582725552ba84b3f6d0eb9e9c2.1322609673.git.joe@perches.com>
Date: Tue, 29 Nov 2011 18:14:15 -0800
From: Joe Perches <joe@...ches.com>
To: Alexander Viro <viro@...iv.linux.org.uk>
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 17/28] block_dev: checkpatch wanking
Fix a few style things. Now checkpatch clean.
$ ./scripts/checkpatch.pl -f --terse --nosummary fs/block_dev.c | \
cut -f3- -d":" | sort | uniq -c
1 ERROR: code indent should use tabs where possible
1 ERROR: do not use assignment in if condition
4 ERROR: "foo * bar" should be "foo *bar"
1 ERROR: space prohibited after that open parenthesis '('
1 ERROR: space prohibited before that close parenthesis ')'
1 ERROR: space required after that ',' (ctx:VxV)
1 ERROR: switch and case should be at the same indent
4 ERROR: trailing whitespace
2 WARNING: braces {} are not necessary for single statement blocks
7 WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable
1 WARNING: line over 80 characters
4 WARNING: please, no space before tabs
2 WARNING: please, no spaces at the start of a line
1 WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h>
Signed-off-by: Joe Perches <joe@...ches.com>
---
fs/block_dev.c | 70 +++++++++++++++++++++++++------------------------------
1 files changed, 32 insertions(+), 38 deletions(-)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 20aa631..8b9bbf6 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -27,7 +27,7 @@
#include <linux/namei.h>
#include <linux/log2.h>
#include <linux/kmemleak.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include "internal.h"
struct bdev_inode {
@@ -90,7 +90,7 @@ static void kill_bdev(struct block_device *bdev)
return;
invalidate_bh_lrus();
truncate_inode_pages(bdev->bd_inode->i_mapping, 0);
-}
+}
int set_blocksize(struct block_device *bdev, int size)
{
@@ -111,7 +111,6 @@ int set_blocksize(struct block_device *bdev, int size)
}
return 0;
}
-
EXPORT_SYMBOL(set_blocksize);
int sb_set_blocksize(struct super_block *sb, int size)
@@ -124,7 +123,6 @@ int sb_set_blocksize(struct super_block *sb, int size)
sb->s_blocksize_bits = blksize_bits(size);
return sb->s_blocksize;
}
-
EXPORT_SYMBOL(sb_set_blocksize);
int sb_min_blocksize(struct super_block *sb, int size)
@@ -134,7 +132,6 @@ int sb_min_blocksize(struct super_block *sb, int size)
size = minsize;
return sb_set_blocksize(sb, size);
}
-
EXPORT_SYMBOL(sb_min_blocksize);
static int
@@ -321,7 +318,7 @@ static int blkdev_writepage(struct page *page, struct writeback_control *wbc)
return block_write_full_page(page, blkdev_get_block, wbc);
}
-static int blkdev_readpage(struct file * file, struct page * page)
+static int blkdev_readpage(struct file *file, struct page *page)
{
return block_read_full_page(page, blkdev_get_block);
}
@@ -363,33 +360,32 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin)
retval = -EINVAL;
switch (origin) {
- case SEEK_END:
- offset += size;
- break;
- case SEEK_CUR:
- offset += file->f_pos;
- case SEEK_SET:
- break;
- default:
- goto out;
+ case SEEK_END:
+ offset += size;
+ break;
+ case SEEK_CUR:
+ offset += file->f_pos;
+ case SEEK_SET:
+ break;
+ default:
+ goto out;
}
if (offset >= 0 && offset <= size) {
- if (offset != file->f_pos) {
+ if (offset != file->f_pos)
file->f_pos = offset;
- }
retval = offset;
}
out:
mutex_unlock(&bd_inode->i_mutex);
return retval;
}
-
+
int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
{
struct inode *bd_inode = filp->f_mapping->host;
struct block_device *bdev = I_BDEV(bd_inode);
int error;
-
+
error = filemap_write_and_wait_range(filp->f_mapping, start, end);
if (error)
return error;
@@ -412,7 +408,7 @@ EXPORT_SYMBOL(blkdev_fsync);
*/
static __cacheline_aligned_in_smp DEFINE_SPINLOCK(bdev_lock);
-static struct kmem_cache * bdev_cachep __read_mostly;
+static struct kmem_cache *bdev_cachep __read_mostly;
static struct inode *bdev_alloc_inode(struct super_block *sb)
{
@@ -468,9 +464,8 @@ static void bdev_evict_inode(struct inode *inode)
invalidate_inode_buffers(inode); /* is it needed here? */
end_writeback(inode);
spin_lock(&bdev_lock);
- while ( (p = bdev->bd_inodes.next) != &bdev->bd_inodes ) {
+ while ((p = bdev->bd_inodes.next) != &bdev->bd_inodes)
__bd_forget(list_entry(p, struct inode, i_devices));
- }
list_del_init(&bdev->bd_list);
spin_unlock(&bdev_lock);
}
@@ -576,7 +571,6 @@ struct block_device *bdget(dev_t dev)
}
return bdev;
}
-
EXPORT_SYMBOL(bdget);
/**
@@ -605,9 +599,8 @@ void bdput(struct block_device *bdev)
{
iput(bdev->bd_inode);
}
-
EXPORT_SYMBOL(bdput);
-
+
static struct block_device *bd_acquire(struct inode *inode)
{
struct block_device *bdev;
@@ -677,18 +670,19 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
void *holder)
{
if (bdev->bd_holder == holder)
- return true; /* already a holder */
+ return true; /* already a holder */
else if (bdev->bd_holder != NULL)
- return false; /* held by someone else */
+ return false; /* held by someone else */
else if (bdev->bd_contains == bdev)
- return true; /* is a whole device which isn't held */
+ return true; /* is a whole device which isn't held */
else if (whole->bd_holder == bd_may_claim)
- return true; /* is a partition of a device that is being partitioned */
+ return true; /* is a partition of a device
+ * that is being partitioned */
else if (whole->bd_holder != NULL)
- return false; /* is a partition of a held device */
+ return false; /* is a partition of a held device */
else
- return true; /* is a partition of an un-held device */
+ return true; /* is a partition of an un-held device */
}
/**
@@ -1056,7 +1050,6 @@ int check_disk_change(struct block_device *bdev)
bdops->revalidate_disk(bdev->bd_disk);
return 1;
}
-
EXPORT_SYMBOL(check_disk_change);
void bd_set_size(struct block_device *bdev, loff_t size)
@@ -1149,7 +1142,8 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
}
if (!ret && !bdev->bd_openers) {
- bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);
+ bd_set_size(bdev,
+ (loff_t)get_capacity(disk) << 9);
bdi = blk_get_backing_dev_info(bdev);
if (bdi == NULL)
bdi = &default_backing_dev_info;
@@ -1393,7 +1387,7 @@ struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder)
}
EXPORT_SYMBOL(blkdev_get_by_dev);
-static int blkdev_open(struct inode * inode, struct file * filp)
+static int blkdev_open(struct inode *inode, struct file *filp)
{
struct block_device *bdev;
@@ -1483,7 +1477,8 @@ int blkdev_put(struct block_device *bdev, fmode_t mode)
WARN_ON_ONCE(--bdev->bd_contains->bd_holders < 0);
/* bd_contains might point to self, check in a separate step */
- if ((bdev_free = !bdev->bd_holders))
+ bdev_free = !bdev->bd_holders;
+ if (bdev_free)
bdev->bd_holder = NULL;
if (!bdev->bd_contains->bd_holders)
bdev->bd_contains->bd_holder = NULL;
@@ -1513,7 +1508,7 @@ int blkdev_put(struct block_device *bdev, fmode_t mode)
}
EXPORT_SYMBOL(blkdev_put);
-static int blkdev_close(struct inode * inode, struct file * filp)
+static int blkdev_close(struct inode *inode, struct file *filp)
{
struct block_device *bdev = I_BDEV(filp->f_mapping->host);
@@ -1594,7 +1589,7 @@ const struct file_operations def_blk_fops = {
.llseek = block_llseek,
.read = do_sync_read,
.write = do_sync_write,
- .aio_read = generic_file_aio_read,
+ .aio_read = generic_file_aio_read,
.aio_write = blkdev_aio_write,
.mmap = generic_file_mmap,
.fsync = blkdev_fsync,
@@ -1615,7 +1610,6 @@ int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg)
set_fs(old_fs);
return res;
}
-
EXPORT_SYMBOL(ioctl_by_bdev);
/**
--
1.7.6.405.gc1be0
--
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