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path: root/fs/btrfs/extent_io.c
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Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c103
1 files changed, 51 insertions, 52 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 52abe4082680..ca8b8e785cf3 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -147,7 +147,39 @@ static int add_extent_changeset(struct extent_state *state, unsigned bits,
return ret;
}
-static void flush_write_bio(struct extent_page_data *epd);
+static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
+ unsigned long bio_flags)
+{
+ blk_status_t ret = 0;
+ struct bio_vec *bvec = bio_last_bvec_all(bio);
+ struct bio_vec bv;
+ struct extent_io_tree *tree = bio->bi_private;
+ u64 start;
+
+ mp_bvec_last_segment(bvec, &bv);
+ start = page_offset(bv.bv_page) + bv.bv_offset;
+
+ bio->bi_private = NULL;
+
+ if (tree->ops)
+ ret = tree->ops->submit_bio_hook(tree->private_data, bio,
+ mirror_num, bio_flags, start);
+ else
+ btrfsic_submit_bio(bio);
+
+ return blk_status_to_errno(ret);
+}
+
+static void flush_write_bio(struct extent_page_data *epd)
+{
+ if (epd->bio) {
+ int ret;
+
+ ret = submit_one_bio(epd->bio, 0, 0);
+ BUG_ON(ret < 0); /* -ENOMEM */
+ epd->bio = NULL;
+ }
+}
int __init extent_io_init(void)
{
@@ -281,8 +313,8 @@ do_insert:
}
static struct rb_node *__etree_search(struct extent_io_tree *tree, u64 offset,
- struct rb_node **prev_ret,
struct rb_node **next_ret,
+ struct rb_node **prev_ret,
struct rb_node ***p_ret,
struct rb_node **parent_ret)
{
@@ -311,23 +343,23 @@ static struct rb_node *__etree_search(struct extent_io_tree *tree, u64 offset,
if (parent_ret)
*parent_ret = prev;
- if (prev_ret) {
+ if (next_ret) {
orig_prev = prev;
while (prev && offset > prev_entry->end) {
prev = rb_next(prev);
prev_entry = rb_entry(prev, struct tree_entry, rb_node);
}
- *prev_ret = prev;
+ *next_ret = prev;
prev = orig_prev;
}
- if (next_ret) {
+ if (prev_ret) {
prev_entry = rb_entry(prev, struct tree_entry, rb_node);
while (prev && offset < prev_entry->start) {
prev = rb_prev(prev);
prev_entry = rb_entry(prev, struct tree_entry, rb_node);
}
- *next_ret = prev;
+ *prev_ret = prev;
}
return NULL;
}
@@ -338,12 +370,12 @@ tree_search_for_insert(struct extent_io_tree *tree,
struct rb_node ***p_ret,
struct rb_node **parent_ret)
{
- struct rb_node *prev = NULL;
+ struct rb_node *next= NULL;
struct rb_node *ret;
- ret = __etree_search(tree, offset, &prev, NULL, p_ret, parent_ret);
+ ret = __etree_search(tree, offset, &next, NULL, p_ret, parent_ret);
if (!ret)
- return prev;
+ return next;
return ret;
}
@@ -585,7 +617,6 @@ int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
if (delete)
bits |= ~EXTENT_CTLBITS;
- bits |= EXTENT_FIRST_DELALLOC;
if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY))
clear = 1;
@@ -850,7 +881,6 @@ __set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
btrfs_debug_check_extent_io_range(tree, start, end);
- bits |= EXTENT_FIRST_DELALLOC;
again:
if (!prealloc && gfpflags_allow_blocking(mask)) {
/*
@@ -2350,7 +2380,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
int read_mode = 0;
blk_status_t status;
int ret;
- unsigned failed_bio_pages = bio_pages_all(failed_bio);
+ unsigned failed_bio_pages = failed_bio->bi_iter.bi_size >> PAGE_SHIFT;
BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
@@ -2422,9 +2452,10 @@ static void end_bio_extent_writepage(struct bio *bio)
u64 start;
u64 end;
int i;
+ struct bvec_iter_all iter_all;
ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all(bvec, bio, i, iter_all) {
struct page *page = bvec->bv_page;
struct inode *inode = page->mapping->host;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@@ -2493,9 +2524,10 @@ static void end_bio_extent_readpage(struct bio *bio)
int mirror;
int ret;
int i;
+ struct bvec_iter_all iter_all;
ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all(bvec, bio, i, iter_all) {
struct page *page = bvec->bv_page;
struct inode *inode = page->mapping->host;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@@ -2692,28 +2724,6 @@ struct bio *btrfs_bio_clone_partial(struct bio *orig, int offset, int size)
return bio;
}
-static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
- unsigned long bio_flags)
-{
- blk_status_t ret = 0;
- struct bio_vec *bvec = bio_last_bvec_all(bio);
- struct page *page = bvec->bv_page;
- struct extent_io_tree *tree = bio->bi_private;
- u64 start;
-
- start = page_offset(page) + bvec->bv_offset;
-
- bio->bi_private = NULL;
-
- if (tree->ops)
- ret = tree->ops->submit_bio_hook(tree->private_data, bio,
- mirror_num, bio_flags, start);
- else
- btrfsic_submit_bio(bio);
-
- return blk_status_to_errno(ret);
-}
-
/*
* @opf: bio REQ_OP_* and REQ_* flags as one value
* @tree: tree so we can call our merge_bio hook
@@ -2985,11 +2995,11 @@ static int __do_readpage(struct extent_io_tree *tree,
*/
if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags) &&
prev_em_start && *prev_em_start != (u64)-1 &&
- *prev_em_start != em->orig_start)
+ *prev_em_start != em->start)
force_bio_submit = true;
if (prev_em_start)
- *prev_em_start = em->orig_start;
+ *prev_em_start = em->start;
free_extent_map(em);
em = NULL;
@@ -3634,9 +3644,10 @@ static void end_bio_extent_buffer_writepage(struct bio *bio)
struct bio_vec *bvec;
struct extent_buffer *eb;
int i, done;
+ struct bvec_iter_all iter_all;
ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all(bvec, bio, i, iter_all) {
struct page *page = bvec->bv_page;
eb = (struct extent_buffer *)page->private;
@@ -4007,17 +4018,6 @@ retry:
return ret;
}
-static void flush_write_bio(struct extent_page_data *epd)
-{
- if (epd->bio) {
- int ret;
-
- ret = submit_one_bio(epd->bio, 0, 0);
- BUG_ON(ret < 0); /* -ENOMEM */
- epd->bio = NULL;
- }
-}
-
int extent_write_full_page(struct page *page, struct writeback_control *wbc)
{
int ret;
@@ -4259,8 +4259,7 @@ static struct extent_map *get_extent_skip_holes(struct inode *inode,
if (len == 0)
break;
len = ALIGN(len, sectorsize);
- em = btrfs_get_extent_fiemap(BTRFS_I(inode), NULL, 0, offset,
- len, 0);
+ em = btrfs_get_extent_fiemap(BTRFS_I(inode), offset, len);
if (IS_ERR_OR_NULL(em))
return em;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-22 21:51:36 +0000