static int __add_missing_keys(struct btrfs_fs_info *fs_info,
struct list_head *head)
{
- struct list_head *pos;
+ struct __prelim_ref *ref;
struct extent_buffer *eb;
- list_for_each(pos, head) {
- struct __prelim_ref *ref;
- ref = list_entry(pos, struct __prelim_ref, list);
-
+ list_for_each_entry(ref, head, list) {
if (ref->parent)
continue;
if (ref->key_for_search.type)
*/
static void __merge_refs(struct list_head *head, int mode)
{
- struct list_head *pos1;
+ struct __prelim_ref *ref1;
- list_for_each(pos1, head) {
- struct list_head *n2;
- struct list_head *pos2;
- struct __prelim_ref *ref1;
+ list_for_each_entry(ref1, head, list) {
+ struct __prelim_ref *ref2 = ref1, *tmp;
- ref1 = list_entry(pos1, struct __prelim_ref, list);
-
- for (pos2 = pos1->next, n2 = pos2->next; pos2 != head;
- pos2 = n2, n2 = pos2->next) {
- struct __prelim_ref *ref2;
+ list_for_each_entry_safe_continue(ref2, tmp, head, list) {
struct __prelim_ref *xchg;
struct extent_inode_elem *eie;
- ref2 = list_entry(pos2, struct __prelim_ref, list);
-
if (!ref_for_same_block(ref1, ref2))
continue;
if (mode == 1) {
(((unsigned int)(dev_bytenr >> 16)) ^
((unsigned int)((uintptr_t)bdev))) &
(BTRFSIC_BLOCK_HASHTABLE_SIZE - 1);
- struct list_head *elem;
-
- list_for_each(elem, h->table + hashval) {
- struct btrfsic_block *const b =
- list_entry(elem, struct btrfsic_block,
- collision_resolving_node);
+ struct btrfsic_block *b;
+ list_for_each_entry(b, h->table + hashval, collision_resolving_node) {
if (b->dev_state->bdev == bdev && b->dev_bytenr == dev_bytenr)
return b;
}
((unsigned int)((uintptr_t)bdev_ref_to)) ^
((unsigned int)((uintptr_t)bdev_ref_from))) &
(BTRFSIC_BLOCK_LINK_HASHTABLE_SIZE - 1);
- struct list_head *elem;
-
- list_for_each(elem, h->table + hashval) {
- struct btrfsic_block_link *const l =
- list_entry(elem, struct btrfsic_block_link,
- collision_resolving_node);
+ struct btrfsic_block_link *l;
+ list_for_each_entry(l, h->table + hashval, collision_resolving_node) {
BUG_ON(NULL == l->block_ref_to);
BUG_ON(NULL == l->block_ref_from);
if (l->block_ref_to->dev_state->bdev == bdev_ref_to &&
const unsigned int hashval =
(((unsigned int)((uintptr_t)bdev)) &
(BTRFSIC_DEV2STATE_HASHTABLE_SIZE - 1));
- struct list_head *elem;
-
- list_for_each(elem, h->table + hashval) {
- struct btrfsic_dev_state *const ds =
- list_entry(elem, struct btrfsic_dev_state,
- collision_resolving_node);
+ struct btrfsic_dev_state *ds;
+ list_for_each_entry(ds, h->table + hashval, collision_resolving_node) {
if (ds->bdev == bdev)
return ds;
}
static void btrfsic_dump_database(struct btrfsic_state *state)
{
- struct list_head *elem_all;
+ const struct btrfsic_block *b_all;
BUG_ON(NULL == state);
printk(KERN_INFO "all_blocks_list:\n");
- list_for_each(elem_all, &state->all_blocks_list) {
- const struct btrfsic_block *const b_all =
- list_entry(elem_all, struct btrfsic_block,
- all_blocks_node);
- struct list_head *elem_ref_to;
- struct list_head *elem_ref_from;
+ list_for_each_entry(b_all, &state->all_blocks_list, all_blocks_node) {
+ const struct btrfsic_block_link *l;
printk(KERN_INFO "%c-block @%llu (%s/%llu/%d)\n",
btrfsic_get_block_type(state, b_all),
b_all->logical_bytenr, b_all->dev_state->name,
b_all->dev_bytenr, b_all->mirror_num);
- list_for_each(elem_ref_to, &b_all->ref_to_list) {
- const struct btrfsic_block_link *const l =
- list_entry(elem_ref_to,
- struct btrfsic_block_link,
- node_ref_to);
-
+ list_for_each_entry(l, &b_all->ref_to_list, node_ref_to) {
printk(KERN_INFO " %c @%llu (%s/%llu/%d)"
" refers %u* to"
" %c @%llu (%s/%llu/%d)\n",
l->block_ref_to->mirror_num);
}
- list_for_each(elem_ref_from, &b_all->ref_from_list) {
- const struct btrfsic_block_link *const l =
- list_entry(elem_ref_from,
- struct btrfsic_block_link,
- node_ref_from);
-
+ list_for_each_entry(l, &b_all->ref_from_list, node_ref_from) {
printk(KERN_INFO " %c @%llu (%s/%llu/%d)"
" is ref %u* from"
" %c @%llu (%s/%llu/%d)\n",
&state->block_hashtable);
if (NULL != block) {
u64 bytenr = 0;
- struct list_head *elem_ref_to;
- struct list_head *tmp_ref_to;
+ struct btrfsic_block_link *l, *tmp;
if (block->is_superblock) {
bytenr = btrfs_super_bytenr((struct btrfs_super_block *)
* because it still carries valueable information
* like whether it was ever written and IO completed.
*/
- list_for_each_safe(elem_ref_to, tmp_ref_to,
- &block->ref_to_list) {
- struct btrfsic_block_link *const l =
- list_entry(elem_ref_to,
- struct btrfsic_block_link,
- node_ref_to);
-
+ list_for_each_entry_safe(l, tmp, &block->ref_to_list,
+ node_ref_to) {
if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE)
btrfsic_print_rem_link(state, l);
l->ref_cnt--;
struct btrfsic_block *const block,
int recursion_level)
{
- struct list_head *elem_ref_to;
+ const struct btrfsic_block_link *l;
int ret = 0;
if (recursion_level >= 3 + BTRFS_MAX_LEVEL) {
* This algorithm is recursive because the amount of used stack
* space is very small and the max recursion depth is limited.
*/
- list_for_each(elem_ref_to, &block->ref_to_list) {
- const struct btrfsic_block_link *const l =
- list_entry(elem_ref_to, struct btrfsic_block_link,
- node_ref_to);
-
+ list_for_each_entry(l, &block->ref_to_list, node_ref_to) {
if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE)
printk(KERN_INFO
"rl=%d, %c @%llu (%s/%llu/%d)"
const struct btrfsic_block *block,
int recursion_level)
{
- struct list_head *elem_ref_from;
+ const struct btrfsic_block_link *l;
if (recursion_level >= 3 + BTRFS_MAX_LEVEL) {
/* refer to comment at "abort cyclic linkage (case 1)" */
* This algorithm is recursive because the amount of used stack space
* is very small and the max recursion depth is limited.
*/
- list_for_each(elem_ref_from, &block->ref_from_list) {
- const struct btrfsic_block_link *const l =
- list_entry(elem_ref_from, struct btrfsic_block_link,
- node_ref_from);
-
+ list_for_each_entry(l, &block->ref_from_list, node_ref_from) {
if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE)
printk(KERN_INFO
"rl=%d, %c @%llu (%s/%llu/%d)"
const struct btrfsic_block *block,
int indent_level)
{
- struct list_head *elem_ref_to;
+ const struct btrfsic_block_link *l;
int indent_add;
static char buf[80];
int cursor_position;
}
cursor_position = indent_level;
- list_for_each(elem_ref_to, &block->ref_to_list) {
- const struct btrfsic_block_link *const l =
- list_entry(elem_ref_to, struct btrfsic_block_link,
- node_ref_to);
-
+ list_for_each_entry(l, &block->ref_to_list, node_ref_to) {
while (cursor_position < indent_level) {
printk(" ");
cursor_position++;
void btrfsic_unmount(struct btrfs_root *root,
struct btrfs_fs_devices *fs_devices)
{
- struct list_head *elem_all;
- struct list_head *tmp_all;
+ struct btrfsic_block *b_all, *tmp_all;
struct btrfsic_state *state;
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_device *device;
* just free all memory that was allocated dynamically.
* Free the blocks and the block_links.
*/
- list_for_each_safe(elem_all, tmp_all, &state->all_blocks_list) {
- struct btrfsic_block *const b_all =
- list_entry(elem_all, struct btrfsic_block,
- all_blocks_node);
- struct list_head *elem_ref_to;
- struct list_head *tmp_ref_to;
-
- list_for_each_safe(elem_ref_to, tmp_ref_to,
- &b_all->ref_to_list) {
- struct btrfsic_block_link *const l =
- list_entry(elem_ref_to,
- struct btrfsic_block_link,
- node_ref_to);
+ list_for_each_entry_safe(b_all, tmp_all, &state->all_blocks_list,
+ all_blocks_node) {
+ struct btrfsic_block_link *l, *tmp;
+ list_for_each_entry_safe(l, tmp, &b_all->ref_to_list,
+ node_ref_to) {
if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE)
btrfsic_print_rem_link(state, l);
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);
#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"
/* 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)
#define btrfs_fs_incompat(fs_info, opt) \
__btrfs_fs_incompat((fs_info), BTRFS_FEATURE_INCOMPAT_##opt)
-static inline int __btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag)
+static inline bool __btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag)
{
struct btrfs_super_block *disk_super;
disk_super = fs_info->super_copy;
delayed_node->root = root;
delayed_node->inode_id = inode_id;
atomic_set(&delayed_node->refs, 0);
- delayed_node->count = 0;
- delayed_node->flags = 0;
delayed_node->ins_root = RB_ROOT;
delayed_node->del_root = RB_ROOT;
mutex_init(&delayed_node->mutex);
- delayed_node->index_cnt = 0;
INIT_LIST_HEAD(&delayed_node->n_list);
INIT_LIST_HEAD(&delayed_node->p_list);
- delayed_node->bytes_reserved = 0;
- memset(&delayed_node->inode_item, 0, sizeof(delayed_node->inode_item));
}
static inline int btrfs_is_continuous_delayed_item(
if (node)
return node;
- node = kmem_cache_alloc(delayed_node_cache, GFP_NOFS);
+ node = kmem_cache_zalloc(delayed_node_cache, GFP_NOFS);
if (!node)
return ERR_PTR(-ENOMEM);
btrfs_init_delayed_node(node, root, ino);
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;
balance_dirty_pages_ratelimited(
root->fs_info->btree_inode->i_mapping);
}
- return;
}
void btrfs_btree_balance_dirty(struct btrfs_root *root)
#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
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;
* 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);
* 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;
*/
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;
}
* 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);
}
return nr;
}
-#define EXTENT_SIZE_PER_ITEM (256 * 1024)
+#define EXTENT_SIZE_PER_ITEM SZ_256K
/*
* shrink metadata reservation for delalloc
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)) {
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);
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 +
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;
}
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;
u64 end = start + PAGE_CACHE_SIZE - 1;
if (gfpflags_allow_blocking(mask) &&
- page->mapping->host->i_size > 16 * 1024 * 1024) {
+ page->mapping->host->i_size > SZ_16M) {
u64 len;
while (start <= end) {
len = end - start + 1;
#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;
static noinline_for_stack int
write_bitmap_entries(struct btrfs_io_ctl *io_ctl, struct list_head *bitmap_list)
{
- struct list_head *pos, *n;
+ struct btrfs_free_space *entry, *next;
int ret;
/* Write out the bitmaps */
- list_for_each_safe(pos, n, bitmap_list) {
- struct btrfs_free_space *entry =
- list_entry(pos, struct btrfs_free_space, list);
-
+ list_for_each_entry_safe(entry, next, bitmap_list, list) {
ret = io_ctl_add_bitmap(io_ctl, entry->bitmap);
if (ret)
return -ENOSPC;
static void noinline_for_stack
cleanup_bitmap_list(struct list_head *bitmap_list)
{
- struct list_head *pos, *n;
+ struct btrfs_free_space *entry, *next;
- list_for_each_safe(pos, n, bitmap_list) {
- struct btrfs_free_space *entry =
- list_entry(pos, struct btrfs_free_space, list);
+ list_for_each_entry_safe(entry, next, bitmap_list, list)
list_del_init(&entry->list);
- }
}
static void noinline_for_stack
* 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
* 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);
}
/*
}
}
-#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)
/*
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);
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
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);
* 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);
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);
!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);
* 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;
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;
no_delete:
btrfs_remove_delayed_node(inode);
clear_inode(inode);
- return;
}
/*
}
static noinline int uncompress_inline(struct btrfs_path *path,
- struct inode *inode, struct page *page,
+ struct page *page,
size_t pg_offset, u64 extent_offset,
struct btrfs_file_extent_item *item)
{
if (create == 0 && !PageUptodate(page)) {
if (btrfs_file_extent_compression(leaf, item) !=
BTRFS_COMPRESS_NONE) {
- ret = uncompress_inline(path, inode, page,
- pg_offset,
+ ret = uncompress_inline(path, page, pg_offset,
extent_offset, item);
if (ret) {
err = ret;
}
}
- 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
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);
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)
}
if (extent_thresh == 0)
- extent_thresh = 256 * 1024;
+ extent_thresh = SZ_256K;
/*
* if we were not given a file, allocate a readahead
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;
/*
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;
new_size = old_size + new_size;
}
- if (new_size < 256 * 1024 * 1024) {
+ if (new_size < SZ_256M) {
ret = -EINVAL;
goto out_free;
}
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;
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)
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);
atomic_dec(&eb->spinning_readers);
read_unlock(&eb->lock);
}
- return;
}
/*
waitqueue_active(&eb->read_lock_wq))
wake_up(&eb->read_lock_wq);
}
- return;
}
/*
}
spin_unlock_irqrestore(&table->cache_lock, flags);
- return;
}
/*
err = -EIO;
rbio_orig_end_io(rbio, err);
- return;
}
/*
if (sblock->no_io_error_seen)
scrub_recheck_block_checksum(sblock);
-
- return;
}
static inline int scrub_check_fsid(u8 fsid[],
#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,
* 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 &&
#include <linux/pagemap.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/sizes.h>
#include "btrfs-tests.h"
#include "../extent_io.h"
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;
* |--- 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) {
* 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;
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;
}
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;
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;
}
* 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;
}
* 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;
}
__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;
}
* [ 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;
}
* 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;
/*
* 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;
* [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;
}
* 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;
}
* 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;
}
* 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;
}
* 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;
}
* 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;
* 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;
}
* 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;
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;
/*
* 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;
* [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;
}
* 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;
}
* 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;
}
* 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;
}
* 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;
* 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;
}
* 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;
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;
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 */
struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root)
{
- return start_transaction(root, 0, TRANS_JOIN, 0);
+ return start_transaction(root, 0, TRANS_JOIN,
+ BTRFS_RESERVE_NO_FLUSH);
}
struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root)
{
- return start_transaction(root, 0, TRANS_JOIN_NOLOCK, 0);
+ return start_transaction(root, 0, TRANS_JOIN_NOLOCK,
+ BTRFS_RESERVE_NO_FLUSH);
}
struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *root)
{
- return start_transaction(root, 0, TRANS_USERSPACE, 0);
+ return start_transaction(root, 0, TRANS_USERSPACE,
+ BTRFS_RESERVE_NO_FLUSH);
}
/*
*/
struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root)
{
- return start_transaction(root, 0, TRANS_ATTACH, 0);
+ return start_transaction(root, 0, TRANS_ATTACH,
+ BTRFS_RESERVE_NO_FLUSH);
}
/*
{
struct btrfs_trans_handle *trans;
- trans = start_transaction(root, 0, TRANS_ATTACH, 0);
+ trans = start_transaction(root, 0, TRANS_ATTACH,
+ BTRFS_RESERVE_NO_FLUSH);
if (IS_ERR(trans) && PTR_ERR(trans) == -ENOENT)
btrfs_wait_for_commit(root, 0);
* 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);
}
return;
file_update_time(filp);
filp_close(filp, NULL);
- return;
}
static int btrfs_rm_dev_item(struct btrfs_root *root,
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 ||
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)
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;
extern struct mutex uuid_mutex;
-#define BTRFS_STRIPE_LEN (64 * 1024)
+#define BTRFS_STRIPE_LEN SZ_64K
struct buffer_head;
struct btrfs_pending_bios {
projects / cascardo / linux.git / commitdiff