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btrfs: use PAGE_{ALIGN, ALIGNED, ALIGN_DOWN} macro

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The header file linux/mm.h provides PAGE_ALIGN, PAGE_ALIGNED,
PAGE_ALIGN_DOWN macros. Use these macros to make code more
concise.

Signed-off-by: Yushan Zhou <katrinzhou@tencent.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Yushan Zhou 2023-01-03 13:11:37 +08:00 committed by David Sterba
parent d31de37850
commit ce394a7f39
6 changed files with 8 additions and 9 deletions
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2
fs/btrfs/compression.c
View File

@ -1609,7 +1609,7 @@ static void heuristic_collect_sample(struct inode *inode, u64 start, u64 end,
index_end = end >> PAGE_SHIFT;
/* Don't miss unaligned end */
if (!IS_ALIGNED(end, PAGE_SIZE))
if (!PAGE_ALIGNED(end))
index_end++;
curr_sample_pos = 0;

2
fs/btrfs/defrag.c
View File

@ -999,7 +999,7 @@ next:
}
#define CLUSTER_SIZE (SZ_256K)
static_assert(IS_ALIGNED(CLUSTER_SIZE, PAGE_SIZE));
static_assert(PAGE_ALIGNED(CLUSTER_SIZE));
/*
* Defrag one contiguous target range.

5
fs/btrfs/inode.c
View File

@ -10995,9 +10995,8 @@ static int btrfs_add_swap_extent(struct swap_info_struct *sis,
return 0;
max_pages = sis->max - bsi->nr_pages;
first_ppage = ALIGN(bsi->block_start, PAGE_SIZE) >> PAGE_SHIFT;
next_ppage = ALIGN_DOWN(bsi->block_start + bsi->block_len,
PAGE_SIZE) >> PAGE_SHIFT;
first_ppage = PAGE_ALIGN(bsi->block_start) >> PAGE_SHIFT;
next_ppage = PAGE_ALIGN_DOWN(bsi->block_start + bsi->block_len) >> PAGE_SHIFT;
if (first_ppage >= next_ppage)
return 0;

2
fs/btrfs/lzo.c
View File

@ -280,7 +280,7 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
}
/* Check if we have reached page boundary */
if (IS_ALIGNED(cur_in, PAGE_SIZE)) {
if (PAGE_ALIGNED(cur_in)) {
put_page(page_in);
page_in = NULL;
}

2
fs/btrfs/relocation.c
View File

@ -2825,7 +2825,7 @@ static noinline_for_stack int prealloc_file_extent_cluster(
*
* Here we have to manually invalidate the range (i_size, PAGE_END + 1).
*/
if (!IS_ALIGNED(i_size, PAGE_SIZE)) {
if (!PAGE_ALIGNED(i_size)) {
struct address_space *mapping = inode->vfs_inode.i_mapping;
struct btrfs_fs_info *fs_info = inode->root->fs_info;
const u32 sectorsize = fs_info->sectorsize;

4
fs/btrfs/send.c
View File

@ -5633,7 +5633,7 @@ static int send_encoded_extent(struct send_ctx *sctx, struct btrfs_path *path,
* boundary in the send buffer. This means that there may be a gap
* between the beginning of the command and the file data.
*/
data_offset = ALIGN(sctx->send_size, PAGE_SIZE);
data_offset = PAGE_ALIGN(sctx->send_size);
if (data_offset > sctx->send_max_size ||
sctx->send_max_size - data_offset < disk_num_bytes) {
ret = -EOVERFLOW;
@ -5757,7 +5757,7 @@ static int send_extent_data(struct send_ctx *sctx, struct btrfs_path *path,
sent += size;
}
if (sctx->clean_page_cache && IS_ALIGNED(end, PAGE_SIZE)) {
if (sctx->clean_page_cache && PAGE_ALIGNED(end)) {
/*
* Always operate only on ranges that are a multiple of the page
* size. This is not only to prevent zeroing parts of a page in