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Diffstat (limited to 'fs/f2fs/data.c')
-rw-r--r--fs/f2fs/data.c54
1 files changed, 29 insertions, 25 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 7af75041bd81..6e43e19c7d1c 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -39,10 +39,8 @@ static struct bio_set f2fs_bioset;
int __init f2fs_init_bioset(void)
{
- if (bioset_init(&f2fs_bioset, F2FS_BIO_POOL_SIZE,
- 0, BIOSET_NEED_BVECS))
- return -ENOMEM;
- return 0;
+ return bioset_init(&f2fs_bioset, F2FS_BIO_POOL_SIZE,
+ 0, BIOSET_NEED_BVECS);
}
void f2fs_destroy_bioset(void)
@@ -1145,7 +1143,7 @@ void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr)
{
dn->data_blkaddr = blkaddr;
f2fs_set_data_blkaddr(dn);
- f2fs_update_extent_cache(dn);
+ f2fs_update_read_extent_cache(dn);
}
/* dn->ofs_in_node will be returned with up-to-date last block pointer */
@@ -1214,7 +1212,7 @@ int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index)
struct extent_info ei = {0, };
struct inode *inode = dn->inode;
- if (f2fs_lookup_extent_cache(inode, index, &ei)) {
+ if (f2fs_lookup_read_extent_cache(inode, index, &ei)) {
dn->data_blkaddr = ei.blk + index - ei.fofs;
return 0;
}
@@ -1223,7 +1221,8 @@ int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index)
}
struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
- blk_opf_t op_flags, bool for_write)
+ blk_opf_t op_flags, bool for_write,
+ pgoff_t *next_pgofs)
{
struct address_space *mapping = inode->i_mapping;
struct dnode_of_data dn;
@@ -1235,7 +1234,7 @@ struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
if (!page)
return ERR_PTR(-ENOMEM);
- if (f2fs_lookup_extent_cache(inode, index, &ei)) {
+ if (f2fs_lookup_read_extent_cache(inode, index, &ei)) {
dn.data_blkaddr = ei.blk + index - ei.fofs;
if (!f2fs_is_valid_blkaddr(F2FS_I_SB(inode), dn.data_blkaddr,
DATA_GENERIC_ENHANCE_READ)) {
@@ -1249,12 +1248,17 @@ struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);
- if (err)
+ if (err) {
+ if (err == -ENOENT && next_pgofs)
+ *next_pgofs = f2fs_get_next_page_offset(&dn, index);
goto put_err;
+ }
f2fs_put_dnode(&dn);
if (unlikely(dn.data_blkaddr == NULL_ADDR)) {
err = -ENOENT;
+ if (next_pgofs)
+ *next_pgofs = index + 1;
goto put_err;
}
if (dn.data_blkaddr != NEW_ADDR &&
@@ -1298,7 +1302,8 @@ put_err:
return ERR_PTR(err);
}
-struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index)
+struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index,
+ pgoff_t *next_pgofs)
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
@@ -1308,7 +1313,7 @@ struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index)
return page;
f2fs_put_page(page, 0);
- page = f2fs_get_read_data_page(inode, index, 0, false);
+ page = f2fs_get_read_data_page(inode, index, 0, false, next_pgofs);
if (IS_ERR(page))
return page;
@@ -1334,7 +1339,7 @@ struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
struct address_space *mapping = inode->i_mapping;
struct page *page;
repeat:
- page = f2fs_get_read_data_page(inode, index, 0, for_write);
+ page = f2fs_get_read_data_page(inode, index, 0, for_write, NULL);
if (IS_ERR(page))
return page;
@@ -1497,7 +1502,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
pgofs = (pgoff_t)map->m_lblk;
end = pgofs + maxblocks;
- if (!create && f2fs_lookup_extent_cache(inode, pgofs, &ei)) {
+ if (!create && f2fs_lookup_read_extent_cache(inode, pgofs, &ei)) {
if (f2fs_lfs_mode(sbi) && flag == F2FS_GET_BLOCK_DIO &&
map->m_may_create)
goto next_dnode;
@@ -1707,7 +1712,7 @@ skip:
if (map->m_flags & F2FS_MAP_MAPPED) {
unsigned int ofs = start_pgofs - map->m_lblk;
- f2fs_update_extent_cache_range(&dn,
+ f2fs_update_read_extent_cache_range(&dn,
start_pgofs, map->m_pblk + ofs,
map->m_len - ofs);
}
@@ -1752,7 +1757,7 @@ sync_out:
if (map->m_flags & F2FS_MAP_MAPPED) {
unsigned int ofs = start_pgofs - map->m_lblk;
- f2fs_update_extent_cache_range(&dn,
+ f2fs_update_read_extent_cache_range(&dn,
start_pgofs, map->m_pblk + ofs,
map->m_len - ofs);
}
@@ -2212,7 +2217,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
if (f2fs_cluster_is_empty(cc))
goto out;
- if (f2fs_lookup_extent_cache(inode, start_idx, &ei))
+ if (f2fs_lookup_read_extent_cache(inode, start_idx, &ei))
from_dnode = false;
if (!from_dnode)
@@ -2643,7 +2648,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
set_new_dnode(&dn, inode, NULL, NULL, 0);
if (need_inplace_update(fio) &&
- f2fs_lookup_extent_cache(inode, page->index, &ei)) {
+ f2fs_lookup_read_extent_cache(inode, page->index, &ei)) {
fio->old_blkaddr = ei.blk + page->index - ei.fofs;
if (!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr,
@@ -3367,7 +3372,7 @@ restart:
} else if (locked) {
err = f2fs_get_block(&dn, index);
} else {
- if (f2fs_lookup_extent_cache(inode, index, &ei)) {
+ if (f2fs_lookup_read_extent_cache(inode, index, &ei)) {
dn.data_blkaddr = ei.blk + index - ei.fofs;
} else {
/* hole case */
@@ -3408,7 +3413,7 @@ static int __find_data_block(struct inode *inode, pgoff_t index,
set_new_dnode(&dn, inode, ipage, ipage, 0);
- if (f2fs_lookup_extent_cache(inode, index, &ei)) {
+ if (f2fs_lookup_read_extent_cache(inode, index, &ei)) {
dn.data_blkaddr = ei.blk + index - ei.fofs;
} else {
/* hole case */
@@ -3472,6 +3477,9 @@ static int prepare_atomic_write_begin(struct f2fs_sb_info *sbi,
else if (*blk_addr != NULL_ADDR)
return 0;
+ if (is_inode_flag_set(inode, FI_ATOMIC_REPLACE))
+ goto reserve_block;
+
/* Look for the block in the original inode */
err = __find_data_block(inode, index, &ori_blk_addr);
if (err)
@@ -4093,9 +4101,7 @@ int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi)
sbi->post_read_wq = alloc_workqueue("f2fs_post_read_wq",
WQ_UNBOUND | WQ_HIGHPRI,
num_online_cpus());
- if (!sbi->post_read_wq)
- return -ENOMEM;
- return 0;
+ return sbi->post_read_wq ? 0 : -ENOMEM;
}
void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi)
@@ -4108,9 +4114,7 @@ int __init f2fs_init_bio_entry_cache(void)
{
bio_entry_slab = f2fs_kmem_cache_create("f2fs_bio_entry_slab",
sizeof(struct bio_entry));
- if (!bio_entry_slab)
- return -ENOMEM;
- return 0;
+ return bio_entry_slab ? 0 : -ENOMEM;
}
void f2fs_destroy_bio_entry_cache(void)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 11:23:21 +0000