struct bio *bio;
struct extent_io_tree *tree;
get_extent_t *get_extent;
- unsigned long bio_flags;
/* tells writepage not to lock the state bits for this range
* it still does the unlocking
*/
static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree,
struct writeback_control *wbc,
- struct page *page, sector_t sector,
- size_t size, unsigned long offset,
+ struct page *page, u64 offset,
+ size_t size, unsigned long pg_offset,
struct block_device *bdev,
struct bio **bio_ret,
bio_end_io_t end_io_func,
int contig = 0;
int old_compressed = prev_bio_flags & EXTENT_BIO_COMPRESSED;
size_t page_size = min_t(size_t, size, PAGE_SIZE);
+ sector_t sector = offset >> 9;
if (bio_ret && *bio_ret) {
bio = *bio_ret;
if (prev_bio_flags != bio_flags || !contig ||
force_bio_submit ||
- merge_bio(tree, page, offset, page_size, bio, bio_flags) ||
- bio_add_page(bio, page, page_size, offset) < page_size) {
+ merge_bio(tree, page, pg_offset, page_size, bio, bio_flags) ||
+ bio_add_page(bio, page, page_size, pg_offset) < page_size) {
ret = submit_one_bio(bio, mirror_num, prev_bio_flags);
if (ret < 0) {
*bio_ret = NULL;
}
}
- bio = btrfs_bio_alloc(bdev, (u64)sector << 9);
- bio_add_page(bio, page, page_size, offset);
+ bio = btrfs_bio_alloc(bdev, offset);
+ bio_add_page(bio, page, page_size, pg_offset);
bio->bi_end_io = end_io_func;
bio->bi_private = tree;
bio->bi_write_hint = page->mapping->host->i_write_hint;
u64 last_byte = i_size_read(inode);
u64 block_start;
u64 cur_end;
- sector_t sector;
struct extent_map *em;
struct block_device *bdev;
int ret = 0;
}
while (cur <= end) {
bool force_bio_submit = false;
+ u64 offset;
if (cur >= last_byte) {
char *userpage;
iosize = ALIGN(iosize, blocksize);
if (this_bio_flag & EXTENT_BIO_COMPRESSED) {
disk_io_size = em->block_len;
- sector = em->block_start >> 9;
+ offset = em->block_start;
} else {
- sector = (em->block_start + extent_offset) >> 9;
+ offset = em->block_start + extent_offset;
disk_io_size = iosize;
}
bdev = em->bdev;
}
ret = submit_extent_page(REQ_OP_READ | read_flags, tree, NULL,
- page, sector, disk_io_size, pg_offset,
- bdev, bio,
+ page, offset, disk_io_size,
+ pg_offset, bdev, bio,
end_bio_extent_readpage, mirror_num,
*bio_flags,
this_bio_flag,
u64 extent_offset;
u64 block_start;
u64 iosize;
- sector_t sector;
struct extent_map *em;
struct block_device *bdev;
size_t pg_offset = 0;
while (cur <= end) {
u64 em_end;
+ u64 offset;
if (cur >= i_size) {
if (tree->ops && tree->ops->writepage_end_io_hook)
BUG_ON(end < cur);
iosize = min(em_end - cur, end - cur + 1);
iosize = ALIGN(iosize, blocksize);
- sector = (em->block_start + extent_offset) >> 9;
+ offset = em->block_start + extent_offset;
bdev = em->bdev;
block_start = em->block_start;
compressed = test_bit(EXTENT_FLAG_COMPRESSED, &em->flags);
}
ret = submit_extent_page(REQ_OP_WRITE | write_flags, tree, wbc,
- page, sector, iosize, pg_offset,
+ page, offset, iosize, pg_offset,
bdev, &epd->bio,
end_bio_extent_writepage,
0, 0, 0, false);
u64 offset = eb->start;
u32 nritems;
unsigned long i, num_pages;
- unsigned long bio_flags = 0;
unsigned long start, end;
unsigned int write_flags = wbc_to_write_flags(wbc) | REQ_META;
int ret = 0;
clear_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags);
num_pages = num_extent_pages(eb->start, eb->len);
atomic_set(&eb->io_pages, num_pages);
- if (btrfs_header_owner(eb) == BTRFS_TREE_LOG_OBJECTID)
- bio_flags = EXTENT_BIO_TREE_LOG;
/* set btree blocks beyond nritems with 0 to avoid stale content. */
nritems = btrfs_header_nritems(eb);
clear_page_dirty_for_io(p);
set_page_writeback(p);
ret = submit_extent_page(REQ_OP_WRITE | write_flags, tree, wbc,
- p, offset >> 9, PAGE_SIZE, 0, bdev,
+ p, offset, PAGE_SIZE, 0, bdev,
&epd->bio,
end_bio_extent_buffer_writepage,
- 0, epd->bio_flags, bio_flags, false);
- epd->bio_flags = bio_flags;
+ 0, 0, 0, false);
if (ret) {
set_btree_ioerr(p);
if (PageWriteback(p))
.tree = tree,
.extent_locked = 0,
.sync_io = wbc->sync_mode == WB_SYNC_ALL,
- .bio_flags = 0,
};
int ret = 0;
int done = 0;
if (wbc->sync_mode == WB_SYNC_ALL)
tag_pages_for_writeback(mapping, index, end);
while (!done && !nr_to_write_done && (index <= end) &&
- (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag,
- min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1))) {
+ (nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end,
+ tag, PAGEVEC_SIZE))) {
unsigned i;
scanned = 1;
if (!PagePrivate(page))
continue;
- if (!wbc->range_cyclic && page->index > end) {
- done = 1;
- break;
- }
-
spin_lock(&mapping->private_lock);
if (!PagePrivate(page)) {
spin_unlock(&mapping->private_lock);
tag_pages_for_writeback(mapping, index, end);
done_index = index;
while (!done && !nr_to_write_done && (index <= end) &&
- (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag,
- min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1))) {
+ (nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end,
+ tag, PAGEVEC_SIZE))) {
unsigned i;
scanned = 1;
continue;
}
- if (!wbc->range_cyclic && page->index > end) {
- done = 1;
- unlock_page(page);
- continue;
- }
-
if (wbc->sync_mode != WB_SYNC_NONE) {
if (PageWriteback(page))
flush_fn(data);
if (epd->bio) {
int ret;
- ret = submit_one_bio(epd->bio, 0, epd->bio_flags);
+ ret = submit_one_bio(epd->bio, 0, 0);
BUG_ON(ret < 0); /* -ENOMEM */
epd->bio = NULL;
}
.get_extent = get_extent,
.extent_locked = 0,
.sync_io = wbc->sync_mode == WB_SYNC_ALL,
- .bio_flags = 0,
};
ret = __extent_writepage(page, wbc, &epd);
.get_extent = get_extent,
.extent_locked = 1,
.sync_io = mode == WB_SYNC_ALL,
- .bio_flags = 0,
};
struct writeback_control wbc_writepages = {
.sync_mode = mode,
.get_extent = get_extent,
.extent_locked = 0,
.sync_io = wbc->sync_mode == WB_SYNC_ALL,
- .bio_flags = 0,
};
ret = extent_write_cache_pages(mapping, wbc, __extent_writepage, &epd,
git.samba.org / sfrench / cifs-2.6.git / blobdiff