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Code Issues Releases Wiki Activity

btrfs: rename extent_map::orig_block_len to disk_num_bytes

Browse source 
This would make it very obvious that the member just matches
btrfs_file_extent_item::disk_num_bytes.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2024-04-30 07:53:00 +09:30 committed by David Sterba
parent 8996f61ab9
commit e8fe524da0
6 changed files with 20 additions and 20 deletions
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16
fs/btrfs/extent_map.c
View file

@ -785,14 +785,14 @@ void btrfs_drop_extent_map_range(struct btrfs_inode *inode, u64 start, u64 end,
split->block_len = em->block_len;
else
split->block_len = split->len;
split->orig_block_len = max(split->block_len,
em->orig_block_len);
split->disk_num_bytes = max(split->block_len,
em->disk_num_bytes);
split->ram_bytes = em->ram_bytes;
} else {
split->orig_start = split->start;
split->block_len = 0;
split->block_start = em->block_start;
split->orig_block_len = 0;
split->disk_num_bytes = 0;
split->ram_bytes = split->len;
}
@ -817,8 +817,8 @@ void btrfs_drop_extent_map_range(struct btrfs_inode *inode, u64 start, u64 end,
split->generation = gen;
if (em->block_start < EXTENT_MAP_LAST_BYTE) {
split->orig_block_len = max(em->block_len,
em->orig_block_len);
split->disk_num_bytes = max(em->block_len,
em->disk_num_bytes);
split->ram_bytes = em->ram_bytes;
if (compressed) {
@ -835,7 +835,7 @@ void btrfs_drop_extent_map_range(struct btrfs_inode *inode, u64 start, u64 end,
split->ram_bytes = split->len;
split->orig_start = split->start;
split->block_len = 0;
split->orig_block_len = 0;
split->disk_num_bytes = 0;
}
if (extent_map_in_tree(em)) {
@ -992,7 +992,7 @@ int split_extent_map(struct btrfs_inode *inode, u64 start, u64 len, u64 pre,
split_pre->orig_start = split_pre->start;
split_pre->block_start = new_logical;
split_pre->block_len = split_pre->len;
split_pre->orig_block_len = split_pre->block_len;
split_pre->disk_num_bytes = split_pre->block_len;
split_pre->ram_bytes = split_pre->len;
split_pre->flags = flags;
split_pre->generation = em->generation;
@ -1010,7 +1010,7 @@ int split_extent_map(struct btrfs_inode *inode, u64 start, u64 len, u64 pre,
split_mid->orig_start = split_mid->start;
split_mid->block_start = em->block_start + pre;
split_mid->block_len = split_mid->len;
split_mid->orig_block_len = split_mid->block_len;
split_mid->disk_num_bytes = split_mid->block_len;
split_mid->ram_bytes = split_mid->len;
split_mid->flags = flags;
split_mid->generation = em->generation;

2
fs/btrfs/extent_map.h
View file

@ -74,7 +74,7 @@ struct extent_map {
* The full on-disk extent length, matching
* btrfs_file_extent_item::disk_num_bytes.
*/
u64 orig_block_len;
u64 disk_num_bytes;
/*
* The decompressed size of the whole on-disk extent, matching

4
fs/btrfs/file-item.c
View file

@ -1295,7 +1295,7 @@ void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
em->len = btrfs_file_extent_end(path) - extent_start;
em->orig_start = extent_start -
btrfs_file_extent_offset(leaf, fi);
em->orig_block_len = btrfs_file_extent_disk_num_bytes(leaf, fi);
em->disk_num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi);
bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
if (bytenr == 0) {
em->block_start = EXTENT_MAP_HOLE;
@ -1304,7 +1304,7 @@ void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
if (compress_type != BTRFS_COMPRESS_NONE) {
extent_map_set_compression(em, compress_type);
em->block_start = bytenr;
em->block_len = em->orig_block_len;
em->block_len = em->disk_num_bytes;
} else {
bytenr += btrfs_file_extent_offset(leaf, fi);
em->block_start = bytenr;

2
fs/btrfs/file.c
View file

@ -2350,7 +2350,7 @@ static int fill_holes(struct btrfs_trans_handle *trans,
hole_em->block_start = EXTENT_MAP_HOLE;
hole_em->block_len = 0;
hole_em->orig_block_len = 0;
hole_em->disk_num_bytes = 0;
hole_em->generation = trans->transid;
ret = btrfs_replace_extent_map_range(inode, hole_em, true);

12
fs/btrfs/inode.c
View file

@ -140,7 +140,7 @@ static noinline int run_delalloc_cow(struct btrfs_inode *inode,
bool pages_dirty);
static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
u64 len, u64 orig_start, u64 block_start,
u64 block_len, u64 orig_block_len,
u64 block_len, u64 disk_num_bytes,
u64 ram_bytes, int compress_type,
int type);
@ -5002,7 +5002,7 @@ int btrfs_cont_expand(struct btrfs_inode *inode, loff_t oldsize, loff_t size)
hole_em->block_start = EXTENT_MAP_HOLE;
hole_em->block_len = 0;
hole_em->orig_block_len = 0;
hole_em->disk_num_bytes = 0;
hole_em->ram_bytes = hole_size;
hole_em->generation = btrfs_get_fs_generation(fs_info);
@ -7331,7 +7331,7 @@ static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend,
/* The callers of this must take lock_extent() */
static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
u64 len, u64 orig_start, u64 block_start,
u64 block_len, u64 orig_block_len,
u64 block_len, u64 disk_num_bytes,
u64 ram_bytes, int compress_type,
int type)
{
@ -7363,7 +7363,7 @@ static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
ASSERT(block_len == len);
/* COW results a new extent matching our file extent size. */
ASSERT(orig_block_len == len);
ASSERT(disk_num_bytes == len);
ASSERT(ram_bytes == len);
/* Since it's a new extent, we should not have any offset. */
@ -7390,7 +7390,7 @@ static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
em->len = len;
em->block_len = block_len;
em->block_start = block_start;
em->orig_block_len = orig_block_len;
em->disk_num_bytes = disk_num_bytes;
em->ram_bytes = ram_bytes;
em->generation = -1;
em->flags |= EXTENT_FLAG_PINNED;
@ -9567,7 +9567,7 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode,
em->len = ins.offset;
em->block_start = ins.objectid;
em->block_len = ins.offset;
em->orig_block_len = ins.offset;
em->disk_num_bytes = ins.offset;
em->ram_bytes = ins.offset;
em->flags |= EXTENT_FLAG_PREALLOC;
em->generation = trans->transid;

4
fs/btrfs/tree-log.c
View file

@ -4670,7 +4670,7 @@ static int log_extent_csums(struct btrfs_trans_handle *trans,
/* If we're compressed we have to save the entire range of csums. */
if (extent_map_is_compressed(em)) {
csum_offset = 0;
csum_len = max(em->block_len, em->orig_block_len);
csum_len = max(em->block_len, em->disk_num_bytes);
} else {
csum_offset = mod_start - em->start;
csum_len = mod_len;
@ -4720,7 +4720,7 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
else
btrfs_set_stack_file_extent_type(&fi, BTRFS_FILE_EXTENT_REG);
block_len = max(em->block_len, em->orig_block_len);
block_len = max(em->block_len, em->disk_num_bytes);
compress_type = extent_map_compression(em);
if (compress_type != BTRFS_COMPRESS_NONE) {
btrfs_set_stack_file_extent_disk_bytenr(&fi, em->block_start);