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authorGeert Uytterhoeven <geert@linux-m68k.org>2019-06-20 16:42:08 +0200
committerJaegeuk Kim <jaegeuk@kernel.org>2019-07-02 15:40:41 -0700
commitf91108b801ad7d7668c95841f4cb76494b2a9c8a (patch)
tree54d815eab17ed49dc3d784c2da87f54a771b1115 /fs/f2fs
parent2d821c12176bc1184701d548c987b2e2a39429ed (diff)
downloadlinux-f91108b801ad7d7668c95841f4cb76494b2a9c8a.tar.bz2
f2fs: Use DIV_ROUND_UP() instead of open-coding
Replace the open-coded divisions with round-up by calls to the DIV_ROUND_UP() helper macro. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/f2fs.h4
-rw-r--r--fs/f2fs/file.c6
-rw-r--r--fs/f2fs/segment.h2
3 files changed, 6 insertions, 6 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 2be2b16573c3..8351fcfda309 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -480,8 +480,8 @@ static inline int get_inline_xattr_addrs(struct inode *inode);
#define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
BITS_PER_BYTE + 1))
-#define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \
- BITS_PER_BYTE - 1) / BITS_PER_BYTE)
+#define INLINE_DENTRY_BITMAP_SIZE(inode) \
+ DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
#define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
NR_INLINE_DENTRY(inode) + \
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1331cae6b5c2..51de1bc6faea 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1211,7 +1211,7 @@ roll_back:
static int f2fs_do_collapse(struct inode *inode, loff_t offset, loff_t len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- pgoff_t nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
+ pgoff_t nrpages = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
pgoff_t start = offset >> PAGE_SHIFT;
pgoff_t end = (offset + len) >> PAGE_SHIFT;
int ret;
@@ -1464,7 +1464,7 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
pg_start = offset >> PAGE_SHIFT;
pg_end = (offset + len) >> PAGE_SHIFT;
delta = pg_end - pg_start;
- idx = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
+ idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
/* avoid gc operation during block exchange */
down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
@@ -2362,7 +2362,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
if (!fragmented)
goto out;
- sec_num = (total + BLKS_PER_SEC(sbi) - 1) / BLKS_PER_SEC(sbi);
+ sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));
/*
* make sure there are enough free section for LFS allocation, this can
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 166ac0f07a4e..2ae6df03b998 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -109,7 +109,7 @@
#define START_SEGNO(segno) \
(SIT_BLOCK_OFFSET(segno) * SIT_ENTRY_PER_BLOCK)
#define SIT_BLK_CNT(sbi) \
- ((MAIN_SEGS(sbi) + SIT_ENTRY_PER_BLOCK - 1) / SIT_ENTRY_PER_BLOCK)
+ DIV_ROUND_UP(MAIN_SEGS(sbi), SIT_ENTRY_PER_BLOCK)
#define f2fs_bitmap_size(nr) \
(BITS_TO_LONGS(nr) * sizeof(unsigned long))