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btrfs: Replace opencoded sizes with their symbolic constants 

Currently btrfs' code uses a mix of opencoded sizes and defines from sizes.h.
Let's unifiy the code base to always use the symbolic constants. No functional
changes

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-10-16 16:48:40 +03:00 committed by David Sterba
parent 859a58a207
commit d4417e2255
4 changed files with 4 additions and 4 deletions
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2
fs/btrfs/ctree.h
View File

@ -523,7 +523,7 @@ struct btrfs_caching_control {
};
/* Once caching_thread() finds this much free space, it will wake up waiters. */
#define CACHING_CTL_WAKE_UP (1024 * 1024 * 2)
#define CACHING_CTL_WAKE_UP SZ_2M
struct btrfs_io_ctl {
void *cur, *orig;

2
fs/btrfs/disk-io.c
View File

@ -2733,7 +2733,7 @@ int open_ctree(struct super_block *sb,
sb->s_bdi->congested_fn = btrfs_congested_fn;
sb->s_bdi->congested_data = fs_info;
sb->s_bdi->capabilities |= BDI_CAP_CGROUP_WRITEBACK;
sb->s_bdi->ra_pages = VM_MAX_READAHEAD * 1024 / PAGE_SIZE;
sb->s_bdi->ra_pages = VM_MAX_READAHEAD * SZ_1K / PAGE_SIZE;
sb->s_bdi->ra_pages *= btrfs_super_num_devices(disk_super);
sb->s_bdi->ra_pages = max(sb->s_bdi->ra_pages, SZ_4M / PAGE_SIZE);

2
fs/btrfs/super.c
View File

@ -2126,7 +2126,7 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
* succeed even if the Avail is zero. But this is better than the other
* way around.
*/
thresh = 4 * 1024 * 1024;
thresh = SZ_4M;
if (!mixed && total_free_meta - thresh < block_rsv->size)
buf->f_bavail = 0;

2
fs/btrfs/tests/inode-tests.c
View File

@ -770,7 +770,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
offset = em->start + em->len;
free_extent_map(em);
em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, 4096 * 1024, 0);
em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, SZ_4M, 0);
if (IS_ERR(em)) {
test_msg("Got an error when we shouldn't have\n");
goto out;