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-rw-r--r--fs/f2fs/data.c42
-rw-r--r--fs/f2fs/f2fs.h1
-rw-r--r--fs/f2fs/file.c3
3 files changed, 32 insertions, 14 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 1d15535e3b42..aa8843a3e5bc 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -957,6 +957,9 @@ int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
return err;
}
+ if (direct_io && allow_outplace_dio(inode, iocb, from))
+ return 0;
+
if (is_inode_flag_set(inode, FI_NO_PREALLOC))
return 0;
@@ -970,6 +973,7 @@ int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
map.m_next_pgofs = NULL;
map.m_next_extent = NULL;
map.m_seg_type = NO_CHECK_TYPE;
+ map.m_may_create = true;
if (direct_io) {
map.m_seg_type = f2fs_rw_hint_to_seg_type(iocb->ki_hint);
@@ -1028,7 +1032,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
unsigned int maxblocks = map->m_len;
struct dnode_of_data dn;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- int mode = create ? ALLOC_NODE : LOOKUP_NODE;
+ int mode = map->m_may_create ? ALLOC_NODE : LOOKUP_NODE;
pgoff_t pgofs, end_offset, end;
int err = 0, ofs = 1;
unsigned int ofs_in_node, last_ofs_in_node;
@@ -1062,7 +1066,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
}
next_dnode:
- if (create)
+ if (map->m_may_create)
__do_map_lock(sbi, flag, true);
/* When reading holes, we need its node page */
@@ -1099,8 +1103,8 @@ next_block:
if (is_valid_data_blkaddr(sbi, blkaddr)) {
/* use out-place-update for driect IO under LFS mode */
- if (test_opt(sbi, LFS) && create &&
- flag == F2FS_GET_BLOCK_DIO) {
+ if (test_opt(sbi, LFS) && flag == F2FS_GET_BLOCK_DIO &&
+ map->m_may_create) {
err = __allocate_data_block(&dn, map->m_seg_type);
if (!err)
set_inode_flag(inode, FI_APPEND_WRITE);
@@ -1209,7 +1213,7 @@ skip:
f2fs_put_dnode(&dn);
- if (create) {
+ if (map->m_may_create) {
__do_map_lock(sbi, flag, false);
f2fs_balance_fs(sbi, dn.node_changed);
}
@@ -1235,7 +1239,7 @@ sync_out:
}
f2fs_put_dnode(&dn);
unlock_out:
- if (create) {
+ if (map->m_may_create) {
__do_map_lock(sbi, flag, false);
f2fs_balance_fs(sbi, dn.node_changed);
}
@@ -1271,7 +1275,7 @@ bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len)
static int __get_data_block(struct inode *inode, sector_t iblock,
struct buffer_head *bh, int create, int flag,
- pgoff_t *next_pgofs, int seg_type)
+ pgoff_t *next_pgofs, int seg_type, bool may_write)
{
struct f2fs_map_blocks map;
int err;
@@ -1281,6 +1285,7 @@ static int __get_data_block(struct inode *inode, sector_t iblock,
map.m_next_pgofs = next_pgofs;
map.m_next_extent = NULL;
map.m_seg_type = seg_type;
+ map.m_may_create = may_write;
err = f2fs_map_blocks(inode, &map, create, flag);
if (!err) {
@@ -1297,16 +1302,25 @@ static int get_data_block(struct inode *inode, sector_t iblock,
{
return __get_data_block(inode, iblock, bh_result, create,
flag, next_pgofs,
- NO_CHECK_TYPE);
+ NO_CHECK_TYPE, create);
+}
+
+static int get_data_block_dio_write(struct inode *inode, sector_t iblock,
+ struct buffer_head *bh_result, int create)
+{
+ return __get_data_block(inode, iblock, bh_result, create,
+ F2FS_GET_BLOCK_DIO, NULL,
+ f2fs_rw_hint_to_seg_type(inode->i_write_hint),
+ true);
}
static int get_data_block_dio(struct inode *inode, sector_t iblock,
struct buffer_head *bh_result, int create)
{
return __get_data_block(inode, iblock, bh_result, create,
- F2FS_GET_BLOCK_DIO, NULL,
- f2fs_rw_hint_to_seg_type(
- inode->i_write_hint));
+ F2FS_GET_BLOCK_DIO, NULL,
+ f2fs_rw_hint_to_seg_type(inode->i_write_hint),
+ false);
}
static int get_data_block_bmap(struct inode *inode, sector_t iblock,
@@ -1318,7 +1332,7 @@ static int get_data_block_bmap(struct inode *inode, sector_t iblock,
return __get_data_block(inode, iblock, bh_result, create,
F2FS_GET_BLOCK_BMAP, NULL,
- NO_CHECK_TYPE);
+ NO_CHECK_TYPE, create);
}
static inline sector_t logical_to_blk(struct inode *inode, loff_t offset)
@@ -1525,6 +1539,7 @@ static int f2fs_mpage_readpages(struct address_space *mapping,
map.m_next_pgofs = NULL;
map.m_next_extent = NULL;
map.m_seg_type = NO_CHECK_TYPE;
+ map.m_may_create = false;
for (; nr_pages; nr_pages--) {
if (pages) {
@@ -2642,7 +2657,8 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
}
err = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev,
- iter, get_data_block_dio, NULL, f2fs_dio_submit_bio,
+ iter, rw == WRITE ? get_data_block_dio_write :
+ get_data_block_dio, NULL, f2fs_dio_submit_bio,
DIO_LOCKING | DIO_SKIP_HOLES);
if (do_opu)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index df10394bd806..26ad1de8641c 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -602,6 +602,7 @@ struct f2fs_map_blocks {
pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */
pgoff_t *m_next_extent; /* point to next possible extent */
int m_seg_type;
+ bool m_may_create; /* indicate it is from write path */
};
/* for flag in get_data_block */
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 439d340dbe1a..327183000b1c 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1499,7 +1499,8 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_map_blocks map = { .m_next_pgofs = NULL,
- .m_next_extent = NULL, .m_seg_type = NO_CHECK_TYPE };
+ .m_next_extent = NULL, .m_seg_type = NO_CHECK_TYPE,
+ .m_may_create = true };
pgoff_t pg_end;
loff_t new_size = i_size_read(inode);
loff_t off_end;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 08:56:51 +0000