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Diffstat (limited to 'fs/f2fs/data.c')
-rw-r--r--fs/f2fs/data.c191
1 files changed, 104 insertions, 87 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 31e892842625..7961e0ddfca3 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -47,14 +47,14 @@ void f2fs_destroy_bioset(void)
bioset_exit(&f2fs_bioset);
}
-bool f2fs_is_cp_guaranteed(struct page *page)
+bool f2fs_is_cp_guaranteed(const struct folio *folio)
{
- struct address_space *mapping = page_folio(page)->mapping;
+ struct address_space *mapping = folio->mapping;
struct inode *inode;
struct f2fs_sb_info *sbi;
- if (fscrypt_is_bounce_page(page))
- return page_private_gcing(fscrypt_pagecache_page(page));
+ if (fscrypt_is_bounce_folio(folio))
+ return folio_test_f2fs_gcing(fscrypt_pagecache_folio(folio));
inode = mapping->host;
sbi = F2FS_I_SB(inode);
@@ -65,7 +65,7 @@ bool f2fs_is_cp_guaranteed(struct page *page)
return true;
if ((S_ISREG(inode->i_mode) && IS_NOQUOTA(inode)) ||
- page_private_gcing(page))
+ folio_test_f2fs_gcing(folio))
return true;
return false;
}
@@ -142,9 +142,9 @@ static void f2fs_finish_read_bio(struct bio *bio, bool in_task)
bio_for_each_folio_all(fi, bio) {
struct folio *folio = fi.folio;
- if (f2fs_is_compressed_page(&folio->page)) {
+ if (f2fs_is_compressed_page(folio)) {
if (ctx && !ctx->decompression_attempted)
- f2fs_end_read_compressed_page(&folio->page, true, 0,
+ f2fs_end_read_compressed_page(folio, true, 0,
in_task);
f2fs_put_folio_dic(folio, in_task);
continue;
@@ -181,14 +181,13 @@ static void f2fs_verify_bio(struct work_struct *work)
* as those were handled separately by f2fs_end_read_compressed_page().
*/
if (may_have_compressed_pages) {
- struct bio_vec *bv;
- struct bvec_iter_all iter_all;
+ struct folio_iter fi;
- bio_for_each_segment_all(bv, bio, iter_all) {
- struct page *page = bv->bv_page;
+ bio_for_each_folio_all(fi, bio) {
+ struct folio *folio = fi.folio;
- if (!f2fs_is_compressed_page(page) &&
- !fsverity_verify_page(page)) {
+ if (!f2fs_is_compressed_page(folio) &&
+ !fsverity_verify_page(&folio->page)) {
bio->bi_status = BLK_STS_IOERR;
break;
}
@@ -233,16 +232,15 @@ static void f2fs_verify_and_finish_bio(struct bio *bio, bool in_task)
static void f2fs_handle_step_decompress(struct bio_post_read_ctx *ctx,
bool in_task)
{
- struct bio_vec *bv;
- struct bvec_iter_all iter_all;
+ struct folio_iter fi;
bool all_compressed = true;
block_t blkaddr = ctx->fs_blkaddr;
- bio_for_each_segment_all(bv, ctx->bio, iter_all) {
- struct page *page = bv->bv_page;
+ bio_for_each_folio_all(fi, ctx->bio) {
+ struct folio *folio = fi.folio;
- if (f2fs_is_compressed_page(page))
- f2fs_end_read_compressed_page(page, false, blkaddr,
+ if (f2fs_is_compressed_page(folio))
+ f2fs_end_read_compressed_page(folio, false, blkaddr,
in_task);
else
all_compressed = false;
@@ -280,9 +278,9 @@ static void f2fs_post_read_work(struct work_struct *work)
static void f2fs_read_end_io(struct bio *bio)
{
- struct f2fs_sb_info *sbi = F2FS_P_SB(bio_first_page_all(bio));
+ struct f2fs_sb_info *sbi = F2FS_F_SB(bio_first_folio_all(bio));
struct bio_post_read_ctx *ctx;
- bool intask = in_task();
+ bool intask = in_task() && !irqs_disabled();
iostat_update_and_unbind_ctx(bio);
ctx = bio->bi_private;
@@ -339,13 +337,13 @@ static void f2fs_write_end_io(struct bio *bio)
}
#ifdef CONFIG_F2FS_FS_COMPRESSION
- if (f2fs_is_compressed_page(&folio->page)) {
- f2fs_compress_write_end_io(bio, &folio->page);
+ if (f2fs_is_compressed_page(folio)) {
+ f2fs_compress_write_end_io(bio, folio);
continue;
}
#endif
- type = WB_DATA_TYPE(&folio->page, false);
+ type = WB_DATA_TYPE(folio, false);
if (unlikely(bio->bi_status != BLK_STS_OK)) {
mapping_set_error(folio->mapping, -EIO);
@@ -355,12 +353,12 @@ static void f2fs_write_end_io(struct bio *bio)
}
f2fs_bug_on(sbi, is_node_folio(folio) &&
- folio->index != nid_of_node(&folio->page));
+ folio->index != nid_of_node(folio));
dec_page_count(sbi, type);
if (f2fs_in_warm_node_list(sbi, folio))
f2fs_del_fsync_node_entry(sbi, folio);
- clear_page_private_gcing(&folio->page);
+ folio_clear_f2fs_gcing(folio);
folio_end_writeback(folio);
}
if (!get_pages(sbi, F2FS_WB_CP_DATA) &&
@@ -419,7 +417,6 @@ int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr)
static blk_opf_t f2fs_io_flags(struct f2fs_io_info *fio)
{
unsigned int temp_mask = GENMASK(NR_TEMP_TYPE - 1, 0);
- struct folio *fio_folio = page_folio(fio->page);
unsigned int fua_flag, meta_flag, io_flag;
blk_opf_t op_flags = 0;
@@ -447,7 +444,7 @@ static blk_opf_t f2fs_io_flags(struct f2fs_io_info *fio)
op_flags |= REQ_FUA;
if (fio->type == DATA &&
- F2FS_I(fio_folio->mapping->host)->ioprio_hint == F2FS_IOPRIO_WRITE)
+ F2FS_I(fio->folio->mapping->host)->ioprio_hint == F2FS_IOPRIO_WRITE)
op_flags |= REQ_PRIO;
return op_flags;
@@ -546,14 +543,14 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
}
static bool __has_merged_page(struct bio *bio, struct inode *inode,
- struct page *page, nid_t ino)
+ struct folio *folio, nid_t ino)
{
struct folio_iter fi;
if (!bio)
return false;
- if (!inode && !page && !ino)
+ if (!inode && !folio && !ino)
return true;
bio_for_each_folio_all(fi, bio) {
@@ -564,7 +561,7 @@ static bool __has_merged_page(struct bio *bio, struct inode *inode,
if (IS_ERR(target))
continue;
}
- if (f2fs_is_compressed_page(&target->page)) {
+ if (f2fs_is_compressed_page(target)) {
target = f2fs_compress_control_folio(target);
if (IS_ERR(target))
continue;
@@ -572,9 +569,9 @@ static bool __has_merged_page(struct bio *bio, struct inode *inode,
if (inode && inode == target->mapping->host)
return true;
- if (page && page == &target->page)
+ if (folio && folio == target)
return true;
- if (ino && ino == ino_of_node(&target->page))
+ if (ino && ino == ino_of_node(target))
return true;
}
@@ -641,7 +638,7 @@ unlock_out:
}
static void __submit_merged_write_cond(struct f2fs_sb_info *sbi,
- struct inode *inode, struct page *page,
+ struct inode *inode, struct folio *folio,
nid_t ino, enum page_type type, bool force)
{
enum temp_type temp;
@@ -653,7 +650,7 @@ static void __submit_merged_write_cond(struct f2fs_sb_info *sbi,
struct f2fs_bio_info *io = sbi->write_io[btype] + temp;
f2fs_down_read(&io->io_rwsem);
- ret = __has_merged_page(io->bio, inode, page, ino);
+ ret = __has_merged_page(io->bio, inode, folio, ino);
f2fs_up_read(&io->io_rwsem);
}
if (ret)
@@ -671,10 +668,10 @@ void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type)
}
void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
- struct inode *inode, struct page *page,
+ struct inode *inode, struct folio *folio,
nid_t ino, enum page_type type)
{
- __submit_merged_write_cond(sbi, inode, page, ino, type, false);
+ __submit_merged_write_cond(sbi, inode, folio, ino, type, false);
}
void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi)
@@ -691,7 +688,7 @@ void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi)
int f2fs_submit_page_bio(struct f2fs_io_info *fio)
{
struct bio *bio;
- struct folio *fio_folio = page_folio(fio->page);
+ struct folio *fio_folio = fio->folio;
struct folio *data_folio = fio->encrypted_page ?
page_folio(fio->encrypted_page) : fio_folio;
@@ -713,7 +710,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
wbc_account_cgroup_owner(fio->io_wbc, fio_folio, PAGE_SIZE);
inc_page_count(fio->sbi, is_read_io(fio->op) ?
- __read_io_type(data_folio) : WB_DATA_TYPE(fio->page, false));
+ __read_io_type(data_folio) : WB_DATA_TYPE(fio->folio, false));
if (is_read_io(bio_op(bio)))
f2fs_submit_read_bio(fio->sbi, bio, fio->type);
@@ -779,7 +776,7 @@ static void del_bio_entry(struct bio_entry *be)
static int add_ipu_page(struct f2fs_io_info *fio, struct bio **bio,
struct page *page)
{
- struct folio *fio_folio = page_folio(fio->page);
+ struct folio *fio_folio = fio->folio;
struct f2fs_sb_info *sbi = fio->sbi;
enum temp_type temp;
bool found = false;
@@ -848,7 +845,7 @@ void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
found = (target == be->bio);
else
found = __has_merged_page(be->bio, NULL,
- &folio->page, 0);
+ folio, 0);
if (found)
break;
}
@@ -865,7 +862,7 @@ void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
found = (target == be->bio);
else
found = __has_merged_page(be->bio, NULL,
- &folio->page, 0);
+ folio, 0);
if (found) {
target = be->bio;
del_bio_entry(be);
@@ -886,15 +883,15 @@ void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
int f2fs_merge_page_bio(struct f2fs_io_info *fio)
{
struct bio *bio = *fio->bio;
- struct page *page = fio->encrypted_page ?
- fio->encrypted_page : fio->page;
- struct folio *folio = page_folio(fio->page);
+ struct folio *data_folio = fio->encrypted_page ?
+ page_folio(fio->encrypted_page) : fio->folio;
+ struct folio *folio = fio->folio;
if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr,
__is_meta_io(fio) ? META_GENERIC : DATA_GENERIC))
return -EFSCORRUPTED;
- trace_f2fs_submit_folio_bio(page_folio(page), fio);
+ trace_f2fs_submit_folio_bio(data_folio, fio);
if (bio && !page_is_mergeable(fio->sbi, bio, *fio->last_block,
fio->new_blkaddr))
@@ -905,16 +902,16 @@ alloc_new:
f2fs_set_bio_crypt_ctx(bio, folio->mapping->host,
folio->index, fio, GFP_NOIO);
- add_bio_entry(fio->sbi, bio, page, fio->temp);
+ add_bio_entry(fio->sbi, bio, &data_folio->page, fio->temp);
} else {
- if (add_ipu_page(fio, &bio, page))
+ if (add_ipu_page(fio, &bio, &data_folio->page))
goto alloc_new;
}
if (fio->io_wbc)
wbc_account_cgroup_owner(fio->io_wbc, folio, folio_size(folio));
- inc_page_count(fio->sbi, WB_DATA_TYPE(page, false));
+ inc_page_count(fio->sbi, WB_DATA_TYPE(data_folio, false));
*fio->last_block = fio->new_blkaddr;
*fio->bio = bio;
@@ -949,7 +946,7 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
struct f2fs_sb_info *sbi = fio->sbi;
enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
struct f2fs_bio_info *io = sbi->write_io[btype] + fio->temp;
- struct page *bio_page;
+ struct folio *bio_folio;
enum count_type type;
f2fs_bug_on(sbi, is_read_io(fio->op));
@@ -980,44 +977,44 @@ next:
verify_fio_blkaddr(fio);
if (fio->encrypted_page)
- bio_page = fio->encrypted_page;
+ bio_folio = page_folio(fio->encrypted_page);
else if (fio->compressed_page)
- bio_page = fio->compressed_page;
+ bio_folio = page_folio(fio->compressed_page);
else
- bio_page = fio->page;
+ bio_folio = fio->folio;
/* set submitted = true as a return value */
fio->submitted = 1;
- type = WB_DATA_TYPE(bio_page, fio->compressed_page);
+ type = WB_DATA_TYPE(bio_folio, fio->compressed_page);
inc_page_count(sbi, type);
if (io->bio &&
(!io_is_mergeable(sbi, io->bio, io, fio, io->last_block_in_bio,
fio->new_blkaddr) ||
!f2fs_crypt_mergeable_bio(io->bio, fio_inode(fio),
- page_folio(bio_page)->index, fio)))
+ bio_folio->index, fio)))
__submit_merged_bio(io);
alloc_new:
if (io->bio == NULL) {
io->bio = __bio_alloc(fio, BIO_MAX_VECS);
f2fs_set_bio_crypt_ctx(io->bio, fio_inode(fio),
- page_folio(bio_page)->index, fio, GFP_NOIO);
+ bio_folio->index, fio, GFP_NOIO);
io->fio = *fio;
}
- if (bio_add_page(io->bio, bio_page, PAGE_SIZE, 0) < PAGE_SIZE) {
+ if (!bio_add_folio(io->bio, bio_folio, folio_size(bio_folio), 0)) {
__submit_merged_bio(io);
goto alloc_new;
}
if (fio->io_wbc)
- wbc_account_cgroup_owner(fio->io_wbc, page_folio(fio->page),
- PAGE_SIZE);
+ wbc_account_cgroup_owner(fio->io_wbc, fio->folio,
+ folio_size(fio->folio));
io->last_block_in_bio = fio->new_blkaddr;
- trace_f2fs_submit_folio_write(page_folio(fio->page), fio);
+ trace_f2fs_submit_folio_write(fio->folio, fio);
#ifdef CONFIG_BLK_DEV_ZONED
if (f2fs_sb_has_blkzoned(sbi) && btype < META &&
is_end_zone_blkaddr(sbi, fio->new_blkaddr)) {
@@ -1553,10 +1550,14 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag)
unsigned int start_pgofs;
int bidx = 0;
bool is_hole;
+ bool lfs_dio_write;
if (!maxblocks)
return 0;
+ lfs_dio_write = (flag == F2FS_GET_BLOCK_DIO && f2fs_lfs_mode(sbi) &&
+ map->m_may_create);
+
if (!map->m_may_create && f2fs_map_blocks_cached(inode, map, flag))
goto out;
@@ -1572,8 +1573,11 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag)
end = pgofs + maxblocks;
next_dnode:
- if (map->m_may_create)
+ if (map->m_may_create) {
+ if (f2fs_lfs_mode(sbi))
+ f2fs_balance_fs(sbi, true);
f2fs_map_lock(sbi, flag);
+ }
/* When reading holes, we need its node page */
set_new_dnode(&dn, inode, NULL, NULL, 0);
@@ -1589,7 +1593,7 @@ next_dnode:
start_pgofs = pgofs;
prealloc = 0;
last_ofs_in_node = ofs_in_node = dn.ofs_in_node;
- end_offset = ADDRS_PER_PAGE(&dn.node_folio->page, inode);
+ end_offset = ADDRS_PER_PAGE(dn.node_folio, inode);
next_block:
blkaddr = f2fs_data_blkaddr(&dn);
@@ -1603,7 +1607,7 @@ next_block:
/* use out-place-update for direct IO under LFS mode */
if (map->m_may_create && (is_hole ||
(flag == F2FS_GET_BLOCK_DIO && f2fs_lfs_mode(sbi) &&
- !f2fs_is_pinned_file(inode)))) {
+ !f2fs_is_pinned_file(inode) && map->m_last_pblk != blkaddr))) {
if (unlikely(f2fs_cp_error(sbi))) {
err = -EIO;
goto sync_out;
@@ -1687,10 +1691,15 @@ next_block:
if (map->m_multidev_dio)
map->m_bdev = FDEV(bidx).bdev;
+
+ if (lfs_dio_write)
+ map->m_last_pblk = NULL_ADDR;
} else if (map_is_mergeable(sbi, map, blkaddr, flag, bidx, ofs)) {
ofs++;
map->m_len++;
} else {
+ if (lfs_dio_write && !f2fs_is_pinned_file(inode))
+ map->m_last_pblk = blkaddr;
goto sync_out;
}
@@ -1715,14 +1724,6 @@ skip:
dn.ofs_in_node = end_offset;
}
- if (flag == F2FS_GET_BLOCK_DIO && f2fs_lfs_mode(sbi) &&
- map->m_may_create) {
- /* the next block to be allocated may not be contiguous. */
- if (GET_SEGOFF_FROM_SEG0(sbi, blkaddr) % BLKS_PER_SEC(sbi) ==
- CAP_BLKS_PER_SEC(sbi) - 1)
- goto sync_out;
- }
-
if (pgofs >= end)
goto sync_out;
else if (dn.ofs_in_node < end_offset)
@@ -2303,7 +2304,7 @@ submit_and_realloc:
}
if (!bio) {
- bio = f2fs_grab_read_bio(inode, blkaddr, nr_pages,
+ bio = f2fs_grab_read_bio(inode, blkaddr, nr_pages - i,
f2fs_ra_op_flags(rac),
folio->index, for_write);
if (IS_ERR(bio)) {
@@ -2376,6 +2377,14 @@ static int f2fs_mpage_readpages(struct inode *inode,
unsigned max_nr_pages = nr_pages;
int ret = 0;
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (f2fs_compressed_file(inode)) {
+ index = rac ? readahead_index(rac) : folio->index;
+ max_nr_pages = round_up(index + nr_pages, cc.cluster_size) -
+ round_down(index, cc.cluster_size);
+ }
+#endif
+
map.m_pblk = 0;
map.m_lblk = 0;
map.m_len = 0;
@@ -2642,7 +2651,7 @@ static inline bool need_inplace_update(struct f2fs_io_info *fio)
int f2fs_do_write_data_page(struct f2fs_io_info *fio)
{
- struct folio *folio = page_folio(fio->page);
+ struct folio *folio = fio->folio;
struct inode *inode = folio->mapping->host;
struct dnode_of_data dn;
struct node_info ni;
@@ -2652,7 +2661,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
/* Use COW inode to make dnode_of_data for atomic write */
atomic_commit = f2fs_is_atomic_file(inode) &&
- page_private_atomic(folio_page(folio, 0));
+ folio_test_f2fs_atomic(folio);
if (atomic_commit)
set_new_dnode(&dn, F2FS_I(inode)->cow_inode, NULL, NULL, 0);
else
@@ -2683,7 +2692,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
/* This page is already truncated */
if (fio->old_blkaddr == NULL_ADDR) {
folio_clear_uptodate(folio);
- clear_page_private_gcing(folio_page(folio, 0));
+ folio_clear_f2fs_gcing(folio);
goto out_writepage;
}
got_it:
@@ -2753,7 +2762,7 @@ got_it:
trace_f2fs_do_write_data_page(folio, OPU);
set_inode_flag(inode, FI_APPEND_WRITE);
if (atomic_commit)
- clear_page_private_atomic(folio_page(folio, 0));
+ folio_clear_f2fs_atomic(folio);
out_writepage:
f2fs_put_dnode(&dn);
out:
@@ -2771,7 +2780,6 @@ int f2fs_write_single_data_page(struct folio *folio, int *submitted,
bool allow_balance)
{
struct inode *inode = folio->mapping->host;
- struct page *page = folio_page(folio, 0);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
loff_t i_size = i_size_read(inode);
const pgoff_t end_index = ((unsigned long long)i_size)
@@ -2788,7 +2796,7 @@ int f2fs_write_single_data_page(struct folio *folio, int *submitted,
.op = REQ_OP_WRITE,
.op_flags = wbc_to_write_flags(wbc),
.old_blkaddr = NULL_ADDR,
- .page = page,
+ .folio = folio,
.encrypted_page = NULL,
.submitted = 0,
.compr_blocks = compr_blocks,
@@ -2890,7 +2898,7 @@ out:
inode_dec_dirty_pages(inode);
if (err) {
folio_clear_uptodate(folio);
- clear_page_private_gcing(page);
+ folio_clear_f2fs_gcing(folio);
}
folio_unlock(folio);
if (!S_ISDIR(inode->i_mode) && !IS_NOQUOTA(inode) &&
@@ -3376,7 +3384,7 @@ restart:
f2fs_do_read_inline_data(folio, ifolio);
set_inode_flag(inode, FI_DATA_EXIST);
if (inode->i_nlink)
- set_page_private_inline(&ifolio->page);
+ folio_set_f2fs_inline(ifolio);
goto out;
}
err = f2fs_convert_inline_folio(&dn, folio);
@@ -3519,8 +3527,10 @@ reserve_block:
return 0;
}
-static int f2fs_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, struct folio **foliop, void **fsdata)
+static int f2fs_write_begin(const struct kiocb *iocb,
+ struct address_space *mapping,
+ loff_t pos, unsigned len, struct folio **foliop,
+ void **fsdata)
{
struct inode *inode = mapping->host;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -3656,7 +3666,7 @@ fail:
return err;
}
-static int f2fs_write_end(struct file *file,
+static int f2fs_write_end(const struct kiocb *iocb,
struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
struct folio *folio, void *fsdata)
@@ -3696,7 +3706,7 @@ static int f2fs_write_end(struct file *file,
folio_mark_dirty(folio);
if (f2fs_is_atomic_file(inode))
- set_page_private_atomic(folio_page(folio, 0));
+ folio_set_f2fs_atomic(folio);
if (pos + copied > i_size_read(inode) &&
!f2fs_verity_in_progress(inode)) {
@@ -3731,7 +3741,7 @@ void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length)
f2fs_remove_dirty_inode(inode);
}
}
- clear_page_private_all(&folio->page);
+ folio_detach_private(folio);
}
bool f2fs_release_folio(struct folio *folio, gfp_t wait)
@@ -3740,7 +3750,7 @@ bool f2fs_release_folio(struct folio *folio, gfp_t wait)
if (folio_test_dirty(folio))
return false;
- clear_page_private_all(&folio->page);
+ folio_detach_private(folio);
return true;
}
@@ -4158,7 +4168,7 @@ static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
unsigned int flags, struct iomap *iomap,
struct iomap *srcmap)
{
- struct f2fs_map_blocks map = {};
+ struct f2fs_map_blocks map = { NULL, };
pgoff_t next_pgofs = 0;
int err;
@@ -4167,6 +4177,10 @@ static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
map.m_next_pgofs = &next_pgofs;
map.m_seg_type = f2fs_rw_hint_to_seg_type(F2FS_I_SB(inode),
inode->i_write_hint);
+ if (flags & IOMAP_WRITE && iomap->private) {
+ map.m_last_pblk = (unsigned long)iomap->private;
+ iomap->private = NULL;
+ }
/*
* If the blocks being overwritten are already allocated,
@@ -4205,6 +4219,9 @@ static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
iomap->flags |= IOMAP_F_MERGED;
iomap->bdev = map.m_bdev;
iomap->addr = F2FS_BLK_TO_BYTES(map.m_pblk);
+
+ if (flags & IOMAP_WRITE && map.m_last_pblk)
+ iomap->private = (void *)map.m_last_pblk;
} else {
if (flags & IOMAP_WRITE)
return -ENOTBLK;