We use many constants to represent size and offset value. And to make
code readable we use '256 * 1024 * 1024' instead of '268435456' to
represent '256MB'. However we can make far more readable with 'SZ_256MB'
which is defined in the 'linux/sizes.h'.
So this patch replaces 'xxx * 1024 * 1024' kind of expression with
single 'SZ_xxxMB' if 'xxx' is a power of 2 then 'xxx * SZ_1M' if 'xxx' is
not a power of 2. And I haven't touched to '4096' & '8192' because it's
more intuitive than 'SZ_4KB' & 'SZ_8KB'.
Signed-off-by: Byongho Lee <bhlee.ker...@gmail.com>
---
fs/btrfs/ctree.c | 2 +-
fs/btrfs/ctree.h | 5 +-
fs/btrfs/disk-io.c | 2 +-
fs/btrfs/disk-io.h | 4 +-
fs/btrfs/extent-tree.c | 29 +++---
fs/btrfs/extent_io.c | 2 +-
fs/btrfs/free-space-cache.c | 10 +-
fs/btrfs/inode-map.c | 2 +-
fs/btrfs/inode.c | 22 ++---
fs/btrfs/ioctl.c | 23 +++--
fs/btrfs/send.h | 4 +-
fs/btrfs/super.c | 2 +-
fs/btrfs/tests/extent-io-tests.c | 11 ++-
fs/btrfs/tests/free-space-tests.c | 186 ++++++++++++++++----------------------
fs/btrfs/tests/inode-tests.c | 2 +-
fs/btrfs/volumes.c | 16 ++--
fs/btrfs/volumes.h | 2 +-
17 files changed, 147 insertions(+), 177 deletions(-)
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 5b8e235c4b6d..cb7720f91a4a 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1555,7 +1555,7 @@ noinline int btrfs_cow_block(struct btrfs_trans_handle
*trans,
return 0;
}
- search_start = buf->start & ~((u64)(1024 * 1024 * 1024) - 1);
+ search_start = buf->start & ~((u64)SZ_1G - 1);
if (parent)
btrfs_set_lock_blocking(parent);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a0165c6e6243..f8fd2a761d52 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -35,6 +35,7 @@
#include <linux/btrfs.h>
#include <linux/workqueue.h>
#include <linux/security.h>
+#include <linux/sizes.h>
#include "extent_io.h"
#include "extent_map.h"
#include "async-thread.h"
@@ -196,9 +197,9 @@ static int btrfs_csum_sizes[] = { 4 };
/* ioprio of readahead is set to idle */
#define BTRFS_IOPRIO_READA (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0))
-#define BTRFS_DIRTY_METADATA_THRESH (32 * 1024 * 1024)
+#define BTRFS_DIRTY_METADATA_THRESH SZ_32M
-#define BTRFS_MAX_EXTENT_SIZE (128 * 1024 * 1024)
+#define BTRFS_MAX_EXTENT_SIZE SZ_128M
/*
* The key defines the order in the tree, and so it also defines (optimal)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 1eb08393bff0..79e8cff82212 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2809,7 +2809,7 @@ int open_ctree(struct super_block *sb,
fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
- 4 * 1024 * 1024 / PAGE_CACHE_SIZE);
+ SZ_4M / PAGE_CACHE_SIZE);
tree_root->nodesize = nodesize;
tree_root->sectorsize = sectorsize;
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index adeb31830b9c..a407d1bcf821 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -19,7 +19,7 @@
#ifndef __DISKIO__
#define __DISKIO__
-#define BTRFS_SUPER_INFO_OFFSET (64 * 1024)
+#define BTRFS_SUPER_INFO_OFFSET SZ_64K
#define BTRFS_SUPER_INFO_SIZE 4096
#define BTRFS_SUPER_MIRROR_MAX 3
@@ -35,7 +35,7 @@ enum btrfs_wq_endio_type {
static inline u64 btrfs_sb_offset(int mirror)
{
- u64 start = 16 * 1024;
+ u64 start = SZ_16K;
if (mirror)
return start << (BTRFS_SUPER_MIRROR_SHIFT * mirror);
return BTRFS_SUPER_INFO_OFFSET;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4b89680a1923..8cefe2c1a936 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -521,7 +521,7 @@ next:
else
last = key.objectid + key.offset;
- if (total_found > (1024 * 1024 * 2)) {
+ if (total_found > SZ_2M) {
total_found = 0;
if (wakeup)
wake_up(&caching_ctl->wait);
@@ -3328,7 +3328,7 @@ static int cache_save_setup(struct
btrfs_block_group_cache *block_group,
* If this block group is smaller than 100 megs don't bother caching the
* block group.
*/
- if (block_group->key.offset < (100 * 1024 * 1024)) {
+ if (block_group->key.offset < (100 * SZ_1M)) {
spin_lock(&block_group->lock);
block_group->disk_cache_state = BTRFS_DC_WRITTEN;
spin_unlock(&block_group->lock);
@@ -3428,7 +3428,7 @@ again:
* taking up quite a bit since it's not folded into the other space
* cache.
*/
- num_pages = div_u64(block_group->key.offset, 256 * 1024 * 1024);
+ num_pages = div_u64(block_group->key.offset, SZ_256M);
if (!num_pages)
num_pages = 1;
@@ -4239,14 +4239,13 @@ static int should_alloc_chunk(struct btrfs_root *root,
*/
if (force == CHUNK_ALLOC_LIMITED) {
thresh = btrfs_super_total_bytes(root->fs_info->super_copy);
- thresh = max_t(u64, 64 * 1024 * 1024,
- div_factor_fine(thresh, 1));
+ thresh = max_t(u64, SZ_64M, div_factor_fine(thresh, 1));
if (num_bytes - num_allocated < thresh)
return 1;
}
- if (num_allocated + 2 * 1024 * 1024 < div_factor(num_bytes, 8))
+ if (num_allocated + SZ_2M < div_factor(num_bytes, 8))
return 0;
return 1;
}
@@ -4446,7 +4445,7 @@ out:
* transaction.
*/
if (trans->can_flush_pending_bgs &&
- trans->chunk_bytes_reserved >= (2 * 1024 * 1024ull)) {
+ trans->chunk_bytes_reserved >= (u64)SZ_2M) {
btrfs_create_pending_block_groups(trans, trans->root);
btrfs_trans_release_chunk_metadata(trans);
}
@@ -4544,7 +4543,7 @@ static inline int calc_reclaim_items_nr(struct btrfs_root
*root, u64 to_reclaim)
return nr;
}
-#define EXTENT_SIZE_PER_ITEM (256 * 1024)
+#define EXTENT_SIZE_PER_ITEM SZ_256K
/*
* shrink metadata reservation for delalloc
@@ -4749,8 +4748,7 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_root *root,
u64 expected;
u64 to_reclaim;
- to_reclaim = min_t(u64, num_online_cpus() * 1024 * 1024,
- 16 * 1024 * 1024);
+ to_reclaim = min_t(u64, num_online_cpus() * SZ_1M, SZ_16M);
spin_lock(&space_info->lock);
if (can_overcommit(root, space_info, to_reclaim,
BTRFS_RESERVE_FLUSH_ALL)) {
@@ -4761,8 +4759,7 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_root *root,
used = space_info->bytes_used + space_info->bytes_reserved +
space_info->bytes_pinned + space_info->bytes_readonly +
space_info->bytes_may_use;
- if (can_overcommit(root, space_info, 1024 * 1024,
- BTRFS_RESERVE_FLUSH_ALL))
+ if (can_overcommit(root, space_info, SZ_1M, BTRFS_RESERVE_FLUSH_ALL))
expected = div_factor_fine(space_info->total_bytes, 95);
else
expected = div_factor_fine(space_info->total_bytes, 90);
@@ -5318,7 +5315,7 @@ static void update_global_block_rsv(struct btrfs_fs_info
*fs_info)
spin_lock(&sinfo->lock);
spin_lock(&block_rsv->lock);
- block_rsv->size = min_t(u64, num_bytes, 512 * 1024 * 1024);
+ block_rsv->size = min_t(u64, num_bytes, SZ_512M);
num_bytes = sinfo->bytes_used + sinfo->bytes_pinned +
sinfo->bytes_reserved + sinfo->bytes_readonly +
@@ -6222,11 +6219,11 @@ fetch_cluster_info(struct btrfs_root *root, struct
btrfs_space_info *space_info,
return ret;
if (ssd)
- *empty_cluster = 2 * 1024 * 1024;
+ *empty_cluster = SZ_2M;
if (space_info->flags & BTRFS_BLOCK_GROUP_METADATA) {
ret = &root->fs_info->meta_alloc_cluster;
if (!ssd)
- *empty_cluster = 64 * 1024;
+ *empty_cluster = SZ_64K;
} else if ((space_info->flags & BTRFS_BLOCK_GROUP_DATA) && ssd) {
ret = &root->fs_info->data_alloc_cluster;
}
@@ -9124,7 +9121,7 @@ static int inc_block_group_ro(struct
btrfs_block_group_cache *cache, int force)
if ((sinfo->flags &
(BTRFS_BLOCK_GROUP_SYSTEM | BTRFS_BLOCK_GROUP_METADATA)) &&
!force)
- min_allocable_bytes = 1 * 1024 * 1024;
+ min_allocable_bytes = SZ_1M;
else
min_allocable_bytes = 0;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 33a01ea41465..32a80ba24d2a 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4387,7 +4387,7 @@ int try_release_extent_mapping(struct extent_map_tree
*map,
u64 end = start + PAGE_CACHE_SIZE - 1;
if ((mask & __GFP_WAIT) &&
- page->mapping->host->i_size > 16 * 1024 * 1024) {
+ page->mapping->host->i_size > SZ_16M) {
u64 len;
while (start <= end) {
len = end - start + 1;
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 0948d34cb84a..112f9bf3f91e 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -30,7 +30,7 @@
#include "volumes.h"
#define BITS_PER_BITMAP (PAGE_CACHE_SIZE * 8)
-#define MAX_CACHE_BYTES_PER_GIG (32 * 1024)
+#define MAX_CACHE_BYTES_PER_GIG SZ_32K
struct btrfs_trim_range {
u64 start;
@@ -1656,11 +1656,10 @@ static void recalculate_thresholds(struct
btrfs_free_space_ctl *ctl)
* at or below 32k, so we need to adjust how much memory we allow to be
* used by extent based free space tracking
*/
- if (size < 1024 * 1024 * 1024)
+ if (size < SZ_1G)
max_bytes = MAX_CACHE_BYTES_PER_GIG;
else
- max_bytes = MAX_CACHE_BYTES_PER_GIG *
- div_u64(size, 1024 * 1024 * 1024);
+ max_bytes = MAX_CACHE_BYTES_PER_GIG * div_u64(size, SZ_1G);
/*
* we want to account for 1 more bitmap than what we have so we can make
@@ -2489,8 +2488,7 @@ void btrfs_init_free_space_ctl(struct
btrfs_block_group_cache *block_group)
* track of free space, and if we pass 1/2 of that we want to
* start converting things over to using bitmaps
*/
- ctl->extents_thresh = ((1024 * 32) / 2) /
- sizeof(struct btrfs_free_space);
+ ctl->extents_thresh = (SZ_32K / 2) / sizeof(struct btrfs_free_space);
}
/*
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 767a6056ac45..e5eb40cb2d53 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -282,7 +282,7 @@ void btrfs_unpin_free_ino(struct btrfs_root *root)
}
}
-#define INIT_THRESHOLD (((1024 * 32) / 2) / sizeof(struct btrfs_free_space))
+#define INIT_THRESHOLD ((SZ_32K / 2) / sizeof(struct btrfs_free_space))
#define INODES_PER_BITMAP (PAGE_CACHE_SIZE * 8)
/*
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f82d1f4460dd..aa421be2c243 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -414,15 +414,15 @@ static noinline void compress_file_range(struct inode
*inode,
unsigned long nr_pages_ret = 0;
unsigned long total_compressed = 0;
unsigned long total_in = 0;
- unsigned long max_compressed = 128 * 1024;
- unsigned long max_uncompressed = 128 * 1024;
+ unsigned long max_compressed = SZ_128K;
+ unsigned long max_uncompressed = SZ_128K;
int i;
int will_compress;
int compress_type = root->fs_info->compress_type;
int redirty = 0;
/* if this is a small write inside eof, kick off a defrag */
- if ((end - start + 1) < 16 * 1024 &&
+ if ((end - start + 1) < SZ_16K &&
(start > 0 || end + 1 < BTRFS_I(inode)->disk_i_size))
btrfs_add_inode_defrag(NULL, inode);
@@ -430,7 +430,7 @@ static noinline void compress_file_range(struct inode
*inode,
again:
will_compress = 0;
nr_pages = (end >> PAGE_CACHE_SHIFT) - (start >> PAGE_CACHE_SHIFT) + 1;
- nr_pages = min(nr_pages, (128 * 1024UL) / PAGE_CACHE_SIZE);
+ nr_pages = min_t(unsigned long, nr_pages, SZ_128K / PAGE_CACHE_SIZE);
/*
* we don't want to send crud past the end of i_size through
@@ -944,7 +944,7 @@ static noinline int cow_file_range(struct inode *inode,
disk_num_bytes = num_bytes;
/* if this is a small write inside eof, kick off defrag */
- if (num_bytes < 64 * 1024 &&
+ if (num_bytes < SZ_64K &&
(start > 0 || end + 1 < BTRFS_I(inode)->disk_i_size))
btrfs_add_inode_defrag(NULL, inode);
@@ -1107,7 +1107,7 @@ static noinline void async_cow_submit(struct btrfs_work
*work)
* atomic_sub_return implies a barrier for waitqueue_active
*/
if (atomic_sub_return(nr_pages, &root->fs_info->async_delalloc_pages) <
- 5 * 1024 * 1024 &&
+ 5 * SZ_1M &&
waitqueue_active(&root->fs_info->async_submit_wait))
wake_up(&root->fs_info->async_submit_wait);
@@ -1132,7 +1132,7 @@ static int cow_file_range_async(struct inode *inode,
struct page *locked_page,
struct btrfs_root *root = BTRFS_I(inode)->root;
unsigned long nr_pages;
u64 cur_end;
- int limit = 10 * 1024 * 1024;
+ int limit = 10 * SZ_1M;
clear_extent_bit(&BTRFS_I(inode)->io_tree, start, end, EXTENT_LOCKED,
1, 0, NULL, GFP_NOFS);
@@ -1148,7 +1148,7 @@ static int cow_file_range_async(struct inode *inode,
struct page *locked_page,
!btrfs_test_opt(root, FORCE_COMPRESS))
cur_end = end;
else
- cur_end = min(end, start + 512 * 1024 - 1);
+ cur_end = min(end, start + SZ_512K - 1);
async_cow->end = cur_end;
INIT_LIST_HEAD(&async_cow->extents);
@@ -4348,7 +4348,7 @@ search_again:
* up a huge file in a single leaf. Most of the time that
* bytes_deleted is > 0, it will be huge by the time we get here
*/
- if (be_nice && bytes_deleted > 32 * 1024 * 1024) {
+ if (be_nice && bytes_deleted > SZ_32M) {
if (btrfs_should_end_transaction(trans, root)) {
err = -EAGAIN;
goto error;
@@ -4591,7 +4591,7 @@ error:
btrfs_free_path(path);
- if (be_nice && bytes_deleted > 32 * 1024 * 1024) {
+ if (be_nice && bytes_deleted > SZ_32M) {
unsigned long updates = trans->delayed_ref_updates;
if (updates) {
trans->delayed_ref_updates = 0;
@@ -9762,7 +9762,7 @@ static int __btrfs_prealloc_file_range(struct inode
*inode, int mode,
}
}
- cur_bytes = min(num_bytes, 256ULL * 1024 * 1024);
+ cur_bytes = min_t(u64, num_bytes, SZ_256M);
cur_bytes = max(cur_bytes, min_size);
/*
* If we are severely fragmented we could end up with really
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 7375cf2e6bbf..a7df97a8e21e 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1016,7 +1016,7 @@ static bool defrag_check_next_extent(struct inode *inode,
struct extent_map *em)
if (!next || next->block_start >= EXTENT_MAP_LAST_BYTE)
ret = false;
else if ((em->block_start + em->block_len == next->block_start) &&
- (em->block_len > 128 * 1024 && next->block_len > 128 * 1024))
+ (em->block_len > SZ_128K && next->block_len > SZ_128K))
ret = false;
free_extent_map(next);
@@ -1262,9 +1262,9 @@ int btrfs_defrag_file(struct inode *inode, struct file
*file,
int defrag_count = 0;
int compress_type = BTRFS_COMPRESS_ZLIB;
u32 extent_thresh = range->extent_thresh;
- unsigned long max_cluster = (256 * 1024) >> PAGE_CACHE_SHIFT;
+ unsigned long max_cluster = SZ_256K >> PAGE_CACHE_SHIFT;
unsigned long cluster = max_cluster;
- u64 new_align = ~((u64)128 * 1024 - 1);
+ u64 new_align = ~((u64)SZ_128K - 1);
struct page **pages = NULL;
if (isize == 0)
@@ -1281,7 +1281,7 @@ int btrfs_defrag_file(struct inode *inode, struct file
*file,
}
if (extent_thresh == 0)
- extent_thresh = 256 * 1024;
+ extent_thresh = SZ_256K;
/*
* if we were not given a file, allocate a readahead
@@ -1313,7 +1313,7 @@ int btrfs_defrag_file(struct inode *inode, struct file
*file,
if (newer_than) {
ret = find_new_extents(root, inode, newer_than,
- &newer_off, 64 * 1024);
+ &newer_off, SZ_64K);
if (!ret) {
range->start = newer_off;
/*
@@ -1403,9 +1403,8 @@ int btrfs_defrag_file(struct inode *inode, struct file
*file,
newer_off = max(newer_off + 1,
(u64)i << PAGE_CACHE_SHIFT);
- ret = find_new_extents(root, inode,
- newer_than, &newer_off,
- 64 * 1024);
+ ret = find_new_extents(root, inode, newer_than,
+ &newer_off, SZ_64K);
if (!ret) {
range->start = newer_off;
i = (newer_off & new_align) >> PAGE_CACHE_SHIFT;
@@ -1571,7 +1570,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
new_size = old_size + new_size;
}
- if (new_size < 256 * 1024 * 1024) {
+ if (new_size < SZ_256M) {
ret = -EINVAL;
goto out_free;
}
@@ -2160,7 +2159,7 @@ static noinline int btrfs_ioctl_tree_search_v2(struct
file *file,
struct inode *inode;
int ret;
size_t buf_size;
- const size_t buf_limit = 16 * 1024 * 1024;
+ const size_t buf_limit = SZ_16M;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -3096,7 +3095,7 @@ out_unlock:
return ret;
}
-#define BTRFS_MAX_DEDUPE_LEN (16 * 1024 * 1024)
+#define BTRFS_MAX_DEDUPE_LEN SZ_16M
static long btrfs_ioctl_file_extent_same(struct file *file,
struct btrfs_ioctl_same_args __user *argp)
@@ -4524,7 +4523,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root
*root,
goto out;
}
- size = min_t(u32, loi->size, 64 * 1024);
+ size = min_t(u32, loi->size, SZ_64K);
inodes = init_data_container(size);
if (IS_ERR(inodes)) {
ret = PTR_ERR(inodes);
diff --git a/fs/btrfs/send.h b/fs/btrfs/send.h
index 48d425aef05b..02e00166c4da 100644
--- a/fs/btrfs/send.h
+++ b/fs/btrfs/send.h
@@ -22,8 +22,8 @@
#define BTRFS_SEND_STREAM_MAGIC "btrfs-stream"
#define BTRFS_SEND_STREAM_VERSION 1
-#define BTRFS_SEND_BUF_SIZE (1024 * 64)
-#define BTRFS_SEND_READ_SIZE (1024 * 48)
+#define BTRFS_SEND_BUF_SIZE SZ_64K
+#define BTRFS_SEND_READ_SIZE (48 * SZ_1K)
enum btrfs_tlv_type {
BTRFS_TLV_U8,
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 24154e422945..0b6ab61aa548 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1865,7 +1865,7 @@ static int btrfs_calc_avail_data_space(struct btrfs_root
*root, u64 *free_bytes)
* btrfs starts at an offset of at least 1MB when doing chunk
* allocation.
*/
- skip_space = 1024 * 1024;
+ skip_space = SZ_1M;
/* user can set the offset in fs_info->alloc_start. */
if (fs_info->alloc_start &&
diff --git a/fs/btrfs/tests/extent-io-tests.c b/fs/btrfs/tests/extent-io-tests.c
index 9e9f2368177d..6ec2bce015dc 100644
--- a/fs/btrfs/tests/extent-io-tests.c
+++ b/fs/btrfs/tests/extent-io-tests.c
@@ -18,6 +18,7 @@
#include <linux/pagemap.h>
#include <linux/sched.h>
+#include <linux/sizes.h>
#include "btrfs-tests.h"
#include "../extent_io.h"
@@ -70,8 +71,8 @@ static int test_find_delalloc(void)
struct page *page;
struct page *locked_page = NULL;
unsigned long index = 0;
- u64 total_dirty = 256 * 1024 * 1024;
- u64 max_bytes = 128 * 1024 * 1024;
+ u64 total_dirty = SZ_256M;
+ u64 max_bytes = SZ_128M;
u64 start, end, test_start;
u64 found;
int ret = -EINVAL;
@@ -133,7 +134,7 @@ static int test_find_delalloc(void)
* |--- delalloc ---|
* |--- search ---|
*/
- test_start = 64 * 1024 * 1024;
+ test_start = SZ_64M;
locked_page = find_lock_page(inode->i_mapping,
test_start >> PAGE_CACHE_SHIFT);
if (!locked_page) {
@@ -220,8 +221,8 @@ static int test_find_delalloc(void)
* Now to test where we run into a page that is no longer dirty in the
* range we want to find.
*/
- page = find_get_page(inode->i_mapping, (max_bytes + (1 * 1024 * 1024))
- >> PAGE_CACHE_SHIFT);
+ page = find_get_page(inode->i_mapping,
+ (max_bytes + SZ_1M) >> PAGE_CACHE_SHIFT);
if (!page) {
test_msg("Couldn't find our page\n");
goto out_bits;
diff --git a/fs/btrfs/tests/free-space-tests.c
b/fs/btrfs/tests/free-space-tests.c
index 8b72b005bfb9..cc287d4f46d2 100644
--- a/fs/btrfs/tests/free-space-tests.c
+++ b/fs/btrfs/tests/free-space-tests.c
@@ -44,7 +44,7 @@ static struct btrfs_block_group_cache
*init_test_block_group(void)
}
cache->key.objectid = 0;
- cache->key.offset = 1024 * 1024 * 1024;
+ cache->key.offset = SZ_1G;
cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
cache->sectorsize = 4096;
cache->full_stripe_len = 4096;
@@ -71,59 +71,59 @@ static int test_extents(struct btrfs_block_group_cache
*cache)
test_msg("Running extent only tests\n");
/* First just make sure we can remove an entire entry */
- ret = btrfs_add_free_space(cache, 0, 4 * 1024 * 1024);
+ ret = btrfs_add_free_space(cache, 0, SZ_4M);
if (ret) {
test_msg("Error adding initial extents %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 0, 4 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, 0, SZ_4M);
if (ret) {
test_msg("Error removing extent %d\n", ret);
return ret;
}
- if (test_check_exists(cache, 0, 4 * 1024 * 1024)) {
+ if (test_check_exists(cache, 0, SZ_4M)) {
test_msg("Full remove left some lingering space\n");
return -1;
}
/* Ok edge and middle cases now */
- ret = btrfs_add_free_space(cache, 0, 4 * 1024 * 1024);
+ ret = btrfs_add_free_space(cache, 0, SZ_4M);
if (ret) {
test_msg("Error adding half extent %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 3 * 1024 * 1024, 1 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, 3 * SZ_1M, SZ_1M);
if (ret) {
test_msg("Error removing tail end %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 0, 1 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, 0, SZ_1M);
if (ret) {
test_msg("Error removing front end %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 2 * 1024 * 1024, 4096);
+ ret = btrfs_remove_free_space(cache, SZ_2M, 4096);
if (ret) {
test_msg("Error removing middle piece %d\n", ret);
return ret;
}
- if (test_check_exists(cache, 0, 1 * 1024 * 1024)) {
+ if (test_check_exists(cache, 0, SZ_1M)) {
test_msg("Still have space at the front\n");
return -1;
}
- if (test_check_exists(cache, 2 * 1024 * 1024, 4096)) {
+ if (test_check_exists(cache, SZ_2M, 4096)) {
test_msg("Still have space in the middle\n");
return -1;
}
- if (test_check_exists(cache, 3 * 1024 * 1024, 1 * 1024 * 1024)) {
+ if (test_check_exists(cache, 3 * SZ_1M, SZ_1M)) {
test_msg("Still have space at the end\n");
return -1;
}
@@ -141,30 +141,30 @@ static int test_bitmaps(struct btrfs_block_group_cache
*cache)
test_msg("Running bitmap only tests\n");
- ret = test_add_free_space_entry(cache, 0, 4 * 1024 * 1024, 1);
+ ret = test_add_free_space_entry(cache, 0, SZ_4M, 1);
if (ret) {
test_msg("Couldn't create a bitmap entry %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 0, 4 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, 0, SZ_4M);
if (ret) {
test_msg("Error removing bitmap full range %d\n", ret);
return ret;
}
- if (test_check_exists(cache, 0, 4 * 1024 * 1024)) {
+ if (test_check_exists(cache, 0, SZ_4M)) {
test_msg("Left some space in bitmap\n");
return -1;
}
- ret = test_add_free_space_entry(cache, 0, 4 * 1024 * 1024, 1);
+ ret = test_add_free_space_entry(cache, 0, SZ_4M, 1);
if (ret) {
test_msg("Couldn't add to our bitmap entry %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 1 * 1024 * 1024, 2 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, SZ_1M, SZ_2M);
if (ret) {
test_msg("Couldn't remove middle chunk %d\n", ret);
return ret;
@@ -177,23 +177,21 @@ static int test_bitmaps(struct btrfs_block_group_cache
*cache)
next_bitmap_offset = (u64)(BITS_PER_BITMAP * 4096);
/* Test a bit straddling two bitmaps */
- ret = test_add_free_space_entry(cache, next_bitmap_offset -
- (2 * 1024 * 1024), 4 * 1024 * 1024, 1);
+ ret = test_add_free_space_entry(cache, next_bitmap_offset - SZ_2M,
+ SZ_4M, 1);
if (ret) {
test_msg("Couldn't add space that straddles two bitmaps %d\n",
ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, next_bitmap_offset -
- (1 * 1024 * 1024), 2 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, next_bitmap_offset - SZ_1M, SZ_2M);
if (ret) {
test_msg("Couldn't remove overlapping space %d\n", ret);
return ret;
}
- if (test_check_exists(cache, next_bitmap_offset - (1 * 1024 * 1024),
- 2 * 1024 * 1024)) {
+ if (test_check_exists(cache, next_bitmap_offset - SZ_1M, SZ_2M)) {
test_msg("Left some space when removing overlapping\n");
return -1;
}
@@ -216,43 +214,43 @@ static int test_bitmaps_and_extents(struct
btrfs_block_group_cache *cache)
* bitmap, but the free space completely in the extent and then
* completely in the bitmap.
*/
- ret = test_add_free_space_entry(cache, 4 * 1024 * 1024, 1 * 1024 *
1024, 1);
+ ret = test_add_free_space_entry(cache, SZ_4M, SZ_1M, 1);
if (ret) {
test_msg("Couldn't create bitmap entry %d\n", ret);
return ret;
}
- ret = test_add_free_space_entry(cache, 0, 1 * 1024 * 1024, 0);
+ ret = test_add_free_space_entry(cache, 0, SZ_1M, 0);
if (ret) {
test_msg("Couldn't add extent entry %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 0, 1 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, 0, SZ_1M);
if (ret) {
test_msg("Couldn't remove extent entry %d\n", ret);
return ret;
}
- if (test_check_exists(cache, 0, 1 * 1024 * 1024)) {
+ if (test_check_exists(cache, 0, SZ_1M)) {
test_msg("Left remnants after our remove\n");
return -1;
}
/* Now to add back the extent entry and remove from the bitmap */
- ret = test_add_free_space_entry(cache, 0, 1 * 1024 * 1024, 0);
+ ret = test_add_free_space_entry(cache, 0, SZ_1M, 0);
if (ret) {
test_msg("Couldn't re-add extent entry %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 4 * 1024 * 1024, 1 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, SZ_4M, SZ_1M);
if (ret) {
test_msg("Couldn't remove from bitmap %d\n", ret);
return ret;
}
- if (test_check_exists(cache, 4 * 1024 * 1024, 1 * 1024 * 1024)) {
+ if (test_check_exists(cache, SZ_4M, SZ_1M)) {
test_msg("Left remnants in the bitmap\n");
return -1;
}
@@ -261,19 +259,19 @@ static int test_bitmaps_and_extents(struct
btrfs_block_group_cache *cache)
* Ok so a little more evil, extent entry and bitmap at the same offset,
* removing an overlapping chunk.
*/
- ret = test_add_free_space_entry(cache, 1 * 1024 * 1024, 4 * 1024 *
1024, 1);
+ ret = test_add_free_space_entry(cache, SZ_1M, SZ_4M, 1);
if (ret) {
test_msg("Couldn't add to a bitmap %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 512 * 1024, 3 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, SZ_512K, 3 * SZ_1M);
if (ret) {
test_msg("Couldn't remove overlapping space %d\n", ret);
return ret;
}
- if (test_check_exists(cache, 512 * 1024, 3 * 1024 * 1024)) {
+ if (test_check_exists(cache, SZ_512K, 3 * SZ_1M)) {
test_msg("Left over pieces after removing overlapping\n");
return -1;
}
@@ -281,25 +279,25 @@ static int test_bitmaps_and_extents(struct
btrfs_block_group_cache *cache)
__btrfs_remove_free_space_cache(cache->free_space_ctl);
/* Now with the extent entry offset into the bitmap */
- ret = test_add_free_space_entry(cache, 4 * 1024 * 1024, 4 * 1024 *
1024, 1);
+ ret = test_add_free_space_entry(cache, SZ_4M, SZ_4M, 1);
if (ret) {
test_msg("Couldn't add space to the bitmap %d\n", ret);
return ret;
}
- ret = test_add_free_space_entry(cache, 2 * 1024 * 1024, 2 * 1024 *
1024, 0);
+ ret = test_add_free_space_entry(cache, SZ_2M, SZ_2M, 0);
if (ret) {
test_msg("Couldn't add extent to the cache %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 3 * 1024 * 1024, 4 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, 3 * SZ_1M, SZ_4M);
if (ret) {
test_msg("Problem removing overlapping space %d\n", ret);
return ret;
}
- if (test_check_exists(cache, 3 * 1024 * 1024, 4 * 1024 * 1024)) {
+ if (test_check_exists(cache, 3 * SZ_1M, SZ_4M)) {
test_msg("Left something behind when removing space");
return -1;
}
@@ -315,29 +313,26 @@ static int test_bitmaps_and_extents(struct
btrfs_block_group_cache *cache)
* [ del ]
*/
__btrfs_remove_free_space_cache(cache->free_space_ctl);
- ret = test_add_free_space_entry(cache, bitmap_offset + 4 * 1024 * 1024,
- 4 * 1024 * 1024, 1);
+ ret = test_add_free_space_entry(cache, bitmap_offset + SZ_4M, SZ_4M, 1);
if (ret) {
test_msg("Couldn't add bitmap %d\n", ret);
return ret;
}
- ret = test_add_free_space_entry(cache, bitmap_offset - 1 * 1024 * 1024,
- 5 * 1024 * 1024, 0);
+ ret = test_add_free_space_entry(cache, bitmap_offset - SZ_1M,
+ 5 * SZ_1M, 0);
if (ret) {
test_msg("Couldn't add extent entry %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, bitmap_offset + 1 * 1024 * 1024,
- 5 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, bitmap_offset + SZ_1M, 5 * SZ_1M);
if (ret) {
test_msg("Failed to free our space %d\n", ret);
return ret;
}
- if (test_check_exists(cache, bitmap_offset + 1 * 1024 * 1024,
- 5 * 1024 * 1024)) {
+ if (test_check_exists(cache, bitmap_offset + SZ_1M, 5 * SZ_1M)) {
test_msg("Left stuff over\n");
return -1;
}
@@ -350,19 +345,19 @@ static int test_bitmaps_and_extents(struct
btrfs_block_group_cache *cache)
* to return -EAGAIN back from btrfs_remove_extent, make sure this
* doesn't happen.
*/
- ret = test_add_free_space_entry(cache, 1 * 1024 * 1024, 2 * 1024 *
1024, 1);
+ ret = test_add_free_space_entry(cache, SZ_1M, SZ_2M, 1);
if (ret) {
test_msg("Couldn't add bitmap entry %d\n", ret);
return ret;
}
- ret = test_add_free_space_entry(cache, 3 * 1024 * 1024, 1 * 1024 *
1024, 0);
+ ret = test_add_free_space_entry(cache, 3 * SZ_1M, SZ_1M, 0);
if (ret) {
test_msg("Couldn't add extent entry %d\n", ret);
return ret;
}
- ret = btrfs_remove_free_space(cache, 1 * 1024 * 1024, 3 * 1024 * 1024);
+ ret = btrfs_remove_free_space(cache, SZ_1M, 3 * SZ_1M);
if (ret) {
test_msg("Error removing bitmap and extent overlapping %d\n",
ret);
return ret;
@@ -475,16 +470,15 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
/*
* Extent entry covering free space range [128Mb - 256Kb, 128Mb - 128Kb[
*/
- ret = test_add_free_space_entry(cache, 128 * 1024 * 1024 - 256 * 1024,
- 128 * 1024, 0);
+ ret = test_add_free_space_entry(cache, SZ_128M - SZ_256K, SZ_128K, 0);
if (ret) {
test_msg("Couldn't add extent entry %d\n", ret);
return ret;
}
/* Bitmap entry covering free space range [128Mb + 512Kb, 256Mb[ */
- ret = test_add_free_space_entry(cache, 128 * 1024 * 1024 + 512 * 1024,
- 128 * 1024 * 1024 - 512 * 1024, 1);
+ ret = test_add_free_space_entry(cache, SZ_128M + SZ_512K,
+ SZ_128M - SZ_512K, 1);
if (ret) {
test_msg("Couldn't add bitmap entry %d\n", ret);
return ret;
@@ -502,21 +496,19 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* [128Mb + 512Kb, 128Mb + 768Kb[
*/
ret = btrfs_remove_free_space(cache,
- 128 * 1024 * 1024 + 768 * 1024,
- 128 * 1024 * 1024 - 768 * 1024);
+ SZ_128M + 768 * SZ_1K,
+ SZ_128M - 768 * SZ_1K);
if (ret) {
test_msg("Failed to free part of bitmap space %d\n", ret);
return ret;
}
/* Confirm that only those 2 ranges are marked as free. */
- if (!test_check_exists(cache, 128 * 1024 * 1024 - 256 * 1024,
- 128 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M - SZ_256K, SZ_128K)) {
test_msg("Free space range missing\n");
return -ENOENT;
}
- if (!test_check_exists(cache, 128 * 1024 * 1024 + 512 * 1024,
- 256 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M + SZ_512K, SZ_256K)) {
test_msg("Free space range missing\n");
return -ENOENT;
}
@@ -525,8 +517,8 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* Confirm that the bitmap range [128Mb + 768Kb, 256Mb[ isn't marked
* as free anymore.
*/
- if (test_check_exists(cache, 128 * 1024 * 1024 + 768 * 1024,
- 128 * 1024 * 1024 - 768 * 1024)) {
+ if (test_check_exists(cache, SZ_128M + 768 * SZ_1K,
+ SZ_128M - 768 * SZ_1K)) {
test_msg("Bitmap region not removed from space cache\n");
return -EINVAL;
}
@@ -535,8 +527,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* Confirm that the region [128Mb + 256Kb, 128Mb + 512Kb[, which is
* covered by the bitmap, isn't marked as free.
*/
- if (test_check_exists(cache, 128 * 1024 * 1024 + 256 * 1024,
- 256 * 1024)) {
+ if (test_check_exists(cache, SZ_128M + SZ_256K, SZ_256K)) {
test_msg("Invalid bitmap region marked as free\n");
return -EINVAL;
}
@@ -545,8 +536,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* Confirm that the region [128Mb, 128Mb + 256Kb[, which is covered
* by the bitmap too, isn't marked as free either.
*/
- if (test_check_exists(cache, 128 * 1024 * 1024,
- 256 * 1024)) {
+ if (test_check_exists(cache, SZ_128M, SZ_256K)) {
test_msg("Invalid bitmap region marked as free\n");
return -EINVAL;
}
@@ -556,13 +546,13 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* lets make sure the free space cache marks it as free in the bitmap,
* and doesn't insert a new extent entry to represent this region.
*/
- ret = btrfs_add_free_space(cache, 128 * 1024 * 1024, 512 * 1024);
+ ret = btrfs_add_free_space(cache, SZ_128M, SZ_512K);
if (ret) {
test_msg("Error adding free space: %d\n", ret);
return ret;
}
/* Confirm the region is marked as free. */
- if (!test_check_exists(cache, 128 * 1024 * 1024, 512 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M, SZ_512K)) {
test_msg("Bitmap region not marked as free\n");
return -ENOENT;
}
@@ -581,8 +571,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* The goal is to test that the bitmap entry space stealing doesn't
* steal this space region.
*/
- ret = btrfs_add_free_space(cache, 128 * 1024 * 1024 + 16 * 1024 * 1024,
- 4096);
+ ret = btrfs_add_free_space(cache, SZ_128M + SZ_16M, 4096);
if (ret) {
test_msg("Error adding free space: %d\n", ret);
return ret;
@@ -601,15 +590,13 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* expand the range covered by the existing extent entry that represents
* the free space [128Mb - 256Kb, 128Mb - 128Kb[.
*/
- ret = btrfs_add_free_space(cache, 128 * 1024 * 1024 - 128 * 1024,
- 128 * 1024);
+ ret = btrfs_add_free_space(cache, SZ_128M - SZ_128K, SZ_128K);
if (ret) {
test_msg("Error adding free space: %d\n", ret);
return ret;
}
/* Confirm the region is marked as free. */
- if (!test_check_exists(cache, 128 * 1024 * 1024 - 128 * 1024,
- 128 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M - SZ_128K, SZ_128K)) {
test_msg("Extent region not marked as free\n");
return -ENOENT;
}
@@ -637,21 +624,20 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* that represents the 1Mb free space, and therefore we're able to
* allocate the whole free space at once.
*/
- if (!test_check_exists(cache, 128 * 1024 * 1024 - 256 * 1024,
- 1 * 1024 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M - SZ_256K, SZ_1M)) {
test_msg("Expected region not marked as free\n");
return -ENOENT;
}
- if (cache->free_space_ctl->free_space != (1 * 1024 * 1024 + 4096)) {
+ if (cache->free_space_ctl->free_space != (SZ_1M + 4096)) {
test_msg("Cache free space is not 1Mb + 4Kb\n");
return -EINVAL;
}
offset = btrfs_find_space_for_alloc(cache,
- 0, 1 * 1024 * 1024, 0,
+ 0, SZ_1M, 0,
&max_extent_size);
- if (offset != (128 * 1024 * 1024 - 256 * 1024)) {
+ if (offset != (SZ_128M - SZ_256K)) {
test_msg("Failed to allocate 1Mb from space cache, returned
offset is: %llu\n",
offset);
return -EINVAL;
@@ -670,7 +656,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
offset = btrfs_find_space_for_alloc(cache,
0, 4096, 0,
&max_extent_size);
- if (offset != (128 * 1024 * 1024 + 16 * 1024 * 1024)) {
+ if (offset != (SZ_128M + SZ_16M)) {
test_msg("Failed to allocate 4Kb from space cache, returned
offset is: %llu\n",
offset);
return -EINVAL;
@@ -691,16 +677,14 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
/*
* Extent entry covering free space range [128Mb + 128Kb, 128Mb + 256Kb[
*/
- ret = test_add_free_space_entry(cache, 128 * 1024 * 1024 + 128 * 1024,
- 128 * 1024, 0);
+ ret = test_add_free_space_entry(cache, SZ_128M + SZ_128K, SZ_128K, 0);
if (ret) {
test_msg("Couldn't add extent entry %d\n", ret);
return ret;
}
/* Bitmap entry covering free space range [0, 128Mb - 512Kb[ */
- ret = test_add_free_space_entry(cache, 0,
- 128 * 1024 * 1024 - 512 * 1024, 1);
+ ret = test_add_free_space_entry(cache, 0, SZ_128M - SZ_512K, 1);
if (ret) {
test_msg("Couldn't add bitmap entry %d\n", ret);
return ret;
@@ -717,22 +701,18 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* [128Mb + 128b, 128Mb + 256Kb[
* [128Mb - 768Kb, 128Mb - 512Kb[
*/
- ret = btrfs_remove_free_space(cache,
- 0,
- 128 * 1024 * 1024 - 768 * 1024);
+ ret = btrfs_remove_free_space(cache, 0, SZ_128M - 768 * SZ_1K);
if (ret) {
test_msg("Failed to free part of bitmap space %d\n", ret);
return ret;
}
/* Confirm that only those 2 ranges are marked as free. */
- if (!test_check_exists(cache, 128 * 1024 * 1024 + 128 * 1024,
- 128 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M + SZ_128K, SZ_128K)) {
test_msg("Free space range missing\n");
return -ENOENT;
}
- if (!test_check_exists(cache, 128 * 1024 * 1024 - 768 * 1024,
- 256 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M - 768 * SZ_1K, SZ_256K)) {
test_msg("Free space range missing\n");
return -ENOENT;
}
@@ -741,8 +721,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* Confirm that the bitmap range [0, 128Mb - 768Kb[ isn't marked
* as free anymore.
*/
- if (test_check_exists(cache, 0,
- 128 * 1024 * 1024 - 768 * 1024)) {
+ if (test_check_exists(cache, 0, SZ_128M - 768 * SZ_1K)) {
test_msg("Bitmap region not removed from space cache\n");
return -EINVAL;
}
@@ -751,8 +730,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* Confirm that the region [128Mb - 512Kb, 128Mb[, which is
* covered by the bitmap, isn't marked as free.
*/
- if (test_check_exists(cache, 128 * 1024 * 1024 - 512 * 1024,
- 512 * 1024)) {
+ if (test_check_exists(cache, SZ_128M - SZ_512K, SZ_512K)) {
test_msg("Invalid bitmap region marked as free\n");
return -EINVAL;
}
@@ -762,15 +740,13 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* lets make sure the free space cache marks it as free in the bitmap,
* and doesn't insert a new extent entry to represent this region.
*/
- ret = btrfs_add_free_space(cache, 128 * 1024 * 1024 - 512 * 1024,
- 512 * 1024);
+ ret = btrfs_add_free_space(cache, SZ_128M - SZ_512K, SZ_512K);
if (ret) {
test_msg("Error adding free space: %d\n", ret);
return ret;
}
/* Confirm the region is marked as free. */
- if (!test_check_exists(cache, 128 * 1024 * 1024 - 512 * 1024,
- 512 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M - SZ_512K, SZ_512K)) {
test_msg("Bitmap region not marked as free\n");
return -ENOENT;
}
@@ -789,7 +765,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* The goal is to test that the bitmap entry space stealing doesn't
* steal this space region.
*/
- ret = btrfs_add_free_space(cache, 32 * 1024 * 1024, 8192);
+ ret = btrfs_add_free_space(cache, SZ_32M, 8192);
if (ret) {
test_msg("Error adding free space: %d\n", ret);
return ret;
@@ -800,13 +776,13 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* expand the range covered by the existing extent entry that represents
* the free space [128Mb + 128Kb, 128Mb + 256Kb[.
*/
- ret = btrfs_add_free_space(cache, 128 * 1024 * 1024, 128 * 1024);
+ ret = btrfs_add_free_space(cache, SZ_128M, SZ_128K);
if (ret) {
test_msg("Error adding free space: %d\n", ret);
return ret;
}
/* Confirm the region is marked as free. */
- if (!test_check_exists(cache, 128 * 1024 * 1024, 128 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M, SZ_128K)) {
test_msg("Extent region not marked as free\n");
return -ENOENT;
}
@@ -834,21 +810,19 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
* that represents the 1Mb free space, and therefore we're able to
* allocate the whole free space at once.
*/
- if (!test_check_exists(cache, 128 * 1024 * 1024 - 768 * 1024,
- 1 * 1024 * 1024)) {
+ if (!test_check_exists(cache, SZ_128M - 768 * SZ_1K, SZ_1M)) {
test_msg("Expected region not marked as free\n");
return -ENOENT;
}
- if (cache->free_space_ctl->free_space != (1 * 1024 * 1024 + 8192)) {
+ if (cache->free_space_ctl->free_space != (SZ_1M + 8192)) {
test_msg("Cache free space is not 1Mb + 8Kb\n");
return -EINVAL;
}
- offset = btrfs_find_space_for_alloc(cache,
- 0, 1 * 1024 * 1024, 0,
+ offset = btrfs_find_space_for_alloc(cache, 0, SZ_1M, 0,
&max_extent_size);
- if (offset != (128 * 1024 * 1024 - 768 * 1024)) {
+ if (offset != (SZ_128M - 768 * SZ_1K)) {
test_msg("Failed to allocate 1Mb from space cache, returned
offset is: %llu\n",
offset);
return -EINVAL;
@@ -867,7 +841,7 @@ test_steal_space_from_bitmap_to_extent(struct
btrfs_block_group_cache *cache)
offset = btrfs_find_space_for_alloc(cache,
0, 8192, 0,
&max_extent_size);
- if (offset != (32 * 1024 * 1024)) {
+ if (offset != SZ_32M) {
test_msg("Failed to allocate 8Kb from space cache, returned
offset is: %llu\n",
offset);
return -EINVAL;
diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c
index 054fc0d97131..5de55fdd28bc 100644
--- a/fs/btrfs/tests/inode-tests.c
+++ b/fs/btrfs/tests/inode-tests.c
@@ -100,7 +100,7 @@ static void insert_inode_item_key(struct btrfs_root *root)
static void setup_file_extents(struct btrfs_root *root)
{
int slot = 0;
- u64 disk_bytenr = 1 * 1024 * 1024;
+ u64 disk_bytenr = SZ_1M;
u64 offset = 0;
/* First we want a hole */
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 750285e4f274..b28651bea35f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1406,7 +1406,7 @@ int find_free_dev_extent(struct btrfs_trans_handle *trans,
* we don't want to overwrite the superblock on the drive,
* so we make sure to start at an offset of at least 1MB
*/
- search_start = max(root->fs_info->alloc_start, 1024ull * 1024);
+ search_start = max_t(u64, root->fs_info->alloc_start, SZ_1M);
return find_free_dev_extent_start(trans->transaction, device,
num_bytes, search_start, start, len);
}
@@ -3406,7 +3406,7 @@ static int __btrfs_balance(struct btrfs_fs_info *fs_info)
list_for_each_entry(device, devices, dev_list) {
old_size = btrfs_device_get_total_bytes(device);
size_to_free = div_factor(old_size, 1);
- size_to_free = min(size_to_free, (u64)1 * 1024 * 1024);
+ size_to_free = min_t(u64, size_to_free, SZ_1M);
if (!device->writeable ||
btrfs_device_get_total_bytes(device) -
btrfs_device_get_bytes_used(device) > size_to_free ||
@@ -4461,7 +4461,7 @@ static int btrfs_cmp_device_info(const void *a, const
void *b)
static u32 find_raid56_stripe_len(u32 data_devices, u32 dev_stripe_target)
{
/* TODO allow them to set a preferred stripe size */
- return 64 * 1024;
+ return SZ_64K;
}
static void check_raid56_incompat_flag(struct btrfs_fs_info *info, u64 type)
@@ -4529,21 +4529,21 @@ static int __btrfs_alloc_chunk(struct
btrfs_trans_handle *trans,
ncopies = btrfs_raid_array[index].ncopies;
if (type & BTRFS_BLOCK_GROUP_DATA) {
- max_stripe_size = 1024 * 1024 * 1024;
+ max_stripe_size = SZ_1G;
max_chunk_size = 10 * max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS(info->chunk_root);
} else if (type & BTRFS_BLOCK_GROUP_METADATA) {
/* for larger filesystems, use larger metadata chunks */
- if (fs_devices->total_rw_bytes > 50ULL * 1024 * 1024 * 1024)
- max_stripe_size = 1024 * 1024 * 1024;
+ if (fs_devices->total_rw_bytes > 50ULL * SZ_1G)
+ max_stripe_size = SZ_1G;
else
- max_stripe_size = 256 * 1024 * 1024;
+ max_stripe_size = SZ_256M;
max_chunk_size = max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS(info->chunk_root);
} else if (type & BTRFS_BLOCK_GROUP_SYSTEM) {
- max_stripe_size = 32 * 1024 * 1024;
+ max_stripe_size = SZ_32M;
max_chunk_size = 2 * max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS_SYS_CHUNK;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index d5c84f6b1353..30bbc3e96cb3 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -26,7 +26,7 @@
extern struct mutex uuid_mutex;
-#define BTRFS_STRIPE_LEN (64 * 1024)
+#define BTRFS_STRIPE_LEN SZ_64K
struct buffer_head;
struct btrfs_pending_bios {
--
2.6.4
--
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