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-rw-r--r--fs/f2fs/file.c259
1 files changed, 164 insertions, 95 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1761ad125f97..5c0b281a70f3 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -58,7 +58,7 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
struct inode *inode = file_inode(vmf->vma->vm_file);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct dnode_of_data dn;
- bool need_alloc = true;
+ bool need_alloc = !f2fs_is_pinned_file(inode);
int err = 0;
vm_fault_t ret;
@@ -115,19 +115,18 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
goto out_sem;
}
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
if (need_alloc) {
/* block allocation */
- set_new_dnode(&dn, inode, NULL, NULL, 0);
err = f2fs_get_block_locked(&dn, page->index);
- }
-
-#ifdef CONFIG_F2FS_FS_COMPRESSION
- if (!need_alloc) {
- set_new_dnode(&dn, inode, NULL, NULL, 0);
+ } else {
err = f2fs_get_dnode_of_data(&dn, page->index, LOOKUP_NODE);
f2fs_put_dnode(&dn);
+ if (f2fs_is_pinned_file(inode) &&
+ !__is_valid_data_blkaddr(dn.data_blkaddr))
+ err = -EIO;
}
-#endif
+
if (err) {
unlock_page(page);
goto out_sem;
@@ -569,7 +568,7 @@ static int f2fs_file_open(struct inode *inode, struct file *filp)
if (err)
return err;
- filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC;
+ filp->f_mode |= FMODE_NOWAIT;
filp->f_mode |= FMODE_CAN_ODIRECT;
return dquot_file_open(inode, filp);
@@ -834,7 +833,8 @@ static bool f2fs_force_buffered_io(struct inode *inode, int rw)
* for blkzoned device, fallback direct IO to buffered IO, so
* all IOs can be serialized by log-structured write.
*/
- if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE))
+ if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE) &&
+ !f2fs_is_pinned_file(inode))
return true;
if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
return true;
@@ -952,9 +952,14 @@ int f2fs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
ATTR_GID | ATTR_TIMES_SET))))
return -EPERM;
- if ((attr->ia_valid & ATTR_SIZE) &&
- !f2fs_is_compress_backend_ready(inode))
- return -EOPNOTSUPP;
+ if ((attr->ia_valid & ATTR_SIZE)) {
+ if (!f2fs_is_compress_backend_ready(inode))
+ return -EOPNOTSUPP;
+ if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED) &&
+ !IS_ALIGNED(attr->ia_size,
+ F2FS_BLK_TO_BYTES(F2FS_I(inode)->i_cluster_size)))
+ return -EINVAL;
+ }
err = setattr_prepare(idmap, dentry, attr);
if (err)
@@ -1325,6 +1330,9 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
f2fs_put_page(psrc, 1);
return PTR_ERR(pdst);
}
+
+ f2fs_wait_on_page_writeback(pdst, DATA, true, true);
+
memcpy_page(pdst, 0, psrc, 0, PAGE_SIZE);
set_page_dirty(pdst);
set_page_private_gcing(pdst);
@@ -1817,15 +1825,6 @@ static long f2fs_fallocate(struct file *file, int mode,
(mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)))
return -EOPNOTSUPP;
- /*
- * Pinned file should not support partial truncation since the block
- * can be used by applications.
- */
- if ((f2fs_compressed_file(inode) || f2fs_is_pinned_file(inode)) &&
- (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE |
- FALLOC_FL_ZERO_RANGE | FALLOC_FL_INSERT_RANGE)))
- return -EOPNOTSUPP;
-
if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE |
FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE |
FALLOC_FL_INSERT_RANGE))
@@ -1833,6 +1832,17 @@ static long f2fs_fallocate(struct file *file, int mode,
inode_lock(inode);
+ /*
+ * Pinned file should not support partial truncation since the block
+ * can be used by applications.
+ */
+ if ((f2fs_compressed_file(inode) || f2fs_is_pinned_file(inode)) &&
+ (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE |
+ FALLOC_FL_ZERO_RANGE | FALLOC_FL_INSERT_RANGE))) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
ret = file_modified(file);
if (ret)
goto out;
@@ -2224,34 +2234,13 @@ static int f2fs_ioc_abort_atomic_write(struct file *filp)
return ret;
}
-static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
+int f2fs_do_shutdown(struct f2fs_sb_info *sbi, unsigned int flag,
+ bool readonly)
{
- struct inode *inode = file_inode(filp);
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct super_block *sb = sbi->sb;
- __u32 in;
int ret = 0;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- if (get_user(in, (__u32 __user *)arg))
- return -EFAULT;
-
- if (in != F2FS_GOING_DOWN_FULLSYNC) {
- ret = mnt_want_write_file(filp);
- if (ret) {
- if (ret == -EROFS) {
- ret = 0;
- f2fs_stop_checkpoint(sbi, false,
- STOP_CP_REASON_SHUTDOWN);
- trace_f2fs_shutdown(sbi, in, ret);
- }
- return ret;
- }
- }
-
- switch (in) {
+ switch (flag) {
case F2FS_GOING_DOWN_FULLSYNC:
ret = bdev_freeze(sb->s_bdev);
if (ret)
@@ -2290,6 +2279,9 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
goto out;
}
+ if (readonly)
+ goto out;
+
f2fs_stop_gc_thread(sbi);
f2fs_stop_discard_thread(sbi);
@@ -2298,10 +2290,44 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
f2fs_update_time(sbi, REQ_TIME);
out:
- if (in != F2FS_GOING_DOWN_FULLSYNC)
- mnt_drop_write_file(filp);
- trace_f2fs_shutdown(sbi, in, ret);
+ trace_f2fs_shutdown(sbi, flag, ret);
+
+ return ret;
+}
+
+static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ __u32 in;
+ int ret;
+ bool need_drop = false, readonly = false;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (get_user(in, (__u32 __user *)arg))
+ return -EFAULT;
+
+ if (in != F2FS_GOING_DOWN_FULLSYNC) {
+ ret = mnt_want_write_file(filp);
+ if (ret) {
+ if (ret != -EROFS)
+ return ret;
+
+ /* fallback to nosync shutdown for readonly fs */
+ in = F2FS_GOING_DOWN_NOSYNC;
+ readonly = true;
+ } else {
+ need_drop = true;
+ }
+ }
+
+ ret = f2fs_do_shutdown(sbi, in, readonly);
+
+ if (need_drop)
+ mnt_drop_write_file(filp);
return ret;
}
@@ -2354,13 +2380,14 @@ static bool uuid_is_nonzero(__u8 u[16])
static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
+ int ret;
if (!f2fs_sb_has_encrypt(F2FS_I_SB(inode)))
return -EOPNOTSUPP;
+ ret = fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
-
- return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
+ return ret;
}
static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)
@@ -2607,12 +2634,13 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
bool fragmented = false;
int err;
- pg_start = range->start >> PAGE_SHIFT;
- pg_end = (range->start + range->len) >> PAGE_SHIFT;
-
f2fs_balance_fs(sbi, true);
inode_lock(inode);
+ pg_start = range->start >> PAGE_SHIFT;
+ pg_end = min_t(pgoff_t,
+ (range->start + range->len) >> PAGE_SHIFT,
+ DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE));
if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
err = -EINVAL;
@@ -2627,8 +2655,9 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
}
/* writeback all dirty pages in the range */
- err = filemap_write_and_wait_range(inode->i_mapping, range->start,
- range->start + range->len - 1);
+ err = filemap_write_and_wait_range(inode->i_mapping,
+ pg_start << PAGE_SHIFT,
+ (pg_end << PAGE_SHIFT) - 1);
if (err)
goto out;
@@ -2786,7 +2815,8 @@ static int f2fs_ioc_defragment(struct file *filp, unsigned long arg)
err = f2fs_defragment_range(sbi, filp, &range);
mnt_drop_write_file(filp);
- f2fs_update_time(sbi, REQ_TIME);
+ if (range.len)
+ f2fs_update_time(sbi, REQ_TIME);
if (err < 0)
return err;
@@ -2837,7 +2867,8 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
goto out;
}
- if (f2fs_compressed_file(src) || f2fs_compressed_file(dst)) {
+ if (f2fs_compressed_file(src) || f2fs_compressed_file(dst) ||
+ f2fs_is_pinned_file(src) || f2fs_is_pinned_file(dst)) {
ret = -EOPNOTSUPP;
goto out_unlock;
}
@@ -3189,18 +3220,17 @@ int f2fs_pin_file_control(struct inode *inode, bool inc)
struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- /* Use i_gc_failures for normal file as a risk signal. */
- if (inc)
- f2fs_i_gc_failures_write(inode,
- fi->i_gc_failures[GC_FAILURE_PIN] + 1);
-
- if (fi->i_gc_failures[GC_FAILURE_PIN] > sbi->gc_pin_file_threshold) {
+ if (fi->i_gc_failures >= sbi->gc_pin_file_threshold) {
f2fs_warn(sbi, "%s: Enable GC = ino %lx after %x GC trials",
- __func__, inode->i_ino,
- fi->i_gc_failures[GC_FAILURE_PIN]);
+ __func__, inode->i_ino, fi->i_gc_failures);
clear_inode_flag(inode, FI_PIN_FILE);
return -EAGAIN;
}
+
+ /* Use i_gc_failures for normal file as a risk signal. */
+ if (inc)
+ f2fs_i_gc_failures_write(inode, fi->i_gc_failures + 1);
+
return 0;
}
@@ -3234,7 +3264,7 @@ static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg)
goto done;
}
- if (f2fs_sb_has_blkzoned(sbi) && F2FS_HAS_BLOCKS(inode)) {
+ if (F2FS_HAS_BLOCKS(inode)) {
ret = -EFBIG;
goto out;
}
@@ -3261,7 +3291,7 @@ static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg)
}
set_inode_flag(inode, FI_PIN_FILE);
- ret = F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN];
+ ret = F2FS_I(inode)->i_gc_failures;
done:
f2fs_update_time(sbi, REQ_TIME);
out:
@@ -3276,7 +3306,7 @@ static int f2fs_ioc_get_pin_file(struct file *filp, unsigned long arg)
__u32 pin = 0;
if (is_inode_flag_set(inode, FI_PIN_FILE))
- pin = F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN];
+ pin = F2FS_I(inode)->i_gc_failures;
return put_user(pin, (u32 __user *)arg);
}
@@ -3522,9 +3552,6 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
if (!f2fs_sb_has_compression(sbi))
return -EOPNOTSUPP;
- if (!f2fs_compressed_file(inode))
- return -EINVAL;
-
if (f2fs_readonly(sbi->sb))
return -EROFS;
@@ -3543,7 +3570,8 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
goto out;
}
- if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+ if (!f2fs_compressed_file(inode) ||
+ is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
ret = -EINVAL;
goto out;
}
@@ -3570,9 +3598,12 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
struct dnode_of_data dn;
pgoff_t end_offset, count;
+ f2fs_lock_op(sbi);
+
set_new_dnode(&dn, inode, NULL, NULL, 0);
ret = f2fs_get_dnode_of_data(&dn, page_idx, LOOKUP_NODE);
if (ret) {
+ f2fs_unlock_op(sbi);
if (ret == -ENOENT) {
page_idx = f2fs_get_next_page_offset(&dn,
page_idx);
@@ -3590,6 +3621,8 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
f2fs_put_dnode(&dn);
+ f2fs_unlock_op(sbi);
+
if (ret < 0)
break;
@@ -3600,6 +3633,8 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
filemap_invalidate_unlock(inode->i_mapping);
f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
out:
+ if (released_blocks)
+ f2fs_update_time(sbi, REQ_TIME);
inode_unlock(inode);
mnt_drop_write_file(filp);
@@ -3641,7 +3676,8 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count,
while (count) {
int compr_blocks = 0;
- blkcnt_t reserved;
+ blkcnt_t reserved = 0;
+ blkcnt_t to_reserved;
int ret;
for (i = 0; i < cluster_size; i++) {
@@ -3661,20 +3697,26 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count,
* fails in release_compress_blocks(), so NEW_ADDR
* is a possible case.
*/
- if (blkaddr == NEW_ADDR ||
- __is_valid_data_blkaddr(blkaddr)) {
+ if (blkaddr == NEW_ADDR) {
+ reserved++;
+ continue;
+ }
+ if (__is_valid_data_blkaddr(blkaddr)) {
compr_blocks++;
continue;
}
}
- reserved = cluster_size - compr_blocks;
+ to_reserved = cluster_size - compr_blocks - reserved;
/* for the case all blocks in cluster were reserved */
- if (reserved == 1)
+ if (to_reserved == 1) {
+ dn->ofs_in_node += cluster_size;
goto next;
+ }
- ret = inc_valid_block_count(sbi, dn->inode, &reserved, false);
+ ret = inc_valid_block_count(sbi, dn->inode,
+ &to_reserved, false);
if (unlikely(ret))
return ret;
@@ -3685,7 +3727,7 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count,
f2fs_i_compr_blocks_update(dn->inode, compr_blocks, true);
- *reserved_blocks += reserved;
+ *reserved_blocks += to_reserved;
next:
count -= cluster_size;
}
@@ -3704,9 +3746,6 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
if (!f2fs_sb_has_compression(sbi))
return -EOPNOTSUPP;
- if (!f2fs_compressed_file(inode))
- return -EINVAL;
-
if (f2fs_readonly(sbi->sb))
return -EROFS;
@@ -3718,7 +3757,8 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
inode_lock(inode);
- if (!is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+ if (!f2fs_compressed_file(inode) ||
+ !is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
ret = -EINVAL;
goto unlock_inode;
}
@@ -3735,9 +3775,12 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
struct dnode_of_data dn;
pgoff_t end_offset, count;
+ f2fs_lock_op(sbi);
+
set_new_dnode(&dn, inode, NULL, NULL, 0);
ret = f2fs_get_dnode_of_data(&dn, page_idx, LOOKUP_NODE);
if (ret) {
+ f2fs_unlock_op(sbi);
if (ret == -ENOENT) {
page_idx = f2fs_get_next_page_offset(&dn,
page_idx);
@@ -3755,6 +3798,8 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
f2fs_put_dnode(&dn);
+ f2fs_unlock_op(sbi);
+
if (ret < 0)
break;
@@ -3770,6 +3815,8 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
f2fs_mark_inode_dirty_sync(inode, true);
}
unlock_inode:
+ if (reserved_blocks)
+ f2fs_update_time(sbi, REQ_TIME);
inode_unlock(inode);
mnt_drop_write_file(filp);
@@ -3778,7 +3825,7 @@ unlock_inode:
} else if (reserved_blocks &&
atomic_read(&F2FS_I(inode)->i_compr_blocks)) {
set_sbi_flag(sbi, SBI_NEED_FSCK);
- f2fs_warn(sbi, "%s: partial blocks were released i_ino=%lx "
+ f2fs_warn(sbi, "%s: partial blocks were reserved i_ino=%lx "
"iblocks=%llu, reserved=%u, compr_blocks=%u, "
"run fsck to fix.",
__func__, inode->i_ino, inode->i_blocks,
@@ -3966,6 +4013,7 @@ static int f2fs_sec_trim_file(struct file *filp, unsigned long arg)
if (len)
ret = f2fs_secure_erase(prev_bdev, inode, prev_index,
prev_block, len, range.flags);
+ f2fs_update_time(sbi, REQ_TIME);
out:
filemap_invalidate_unlock(mapping);
f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
@@ -4119,9 +4167,6 @@ static int f2fs_ioc_decompress_file(struct file *filp)
if (!(filp->f_mode & FMODE_WRITE))
return -EBADF;
- if (!f2fs_compressed_file(inode))
- return -EINVAL;
-
f2fs_balance_fs(sbi, true);
file_start_write(filp);
@@ -4132,7 +4177,8 @@ static int f2fs_ioc_decompress_file(struct file *filp)
goto out;
}
- if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+ if (!f2fs_compressed_file(inode) ||
+ is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
ret = -EINVAL;
goto out;
}
@@ -4175,6 +4221,7 @@ static int f2fs_ioc_decompress_file(struct file *filp)
if (ret)
f2fs_warn(sbi, "%s: The file might be partially decompressed (errno=%d). Please delete the file.",
__func__, ret);
+ f2fs_update_time(sbi, REQ_TIME);
out:
inode_unlock(inode);
file_end_write(filp);
@@ -4197,9 +4244,6 @@ static int f2fs_ioc_compress_file(struct file *filp)
if (!(filp->f_mode & FMODE_WRITE))
return -EBADF;
- if (!f2fs_compressed_file(inode))
- return -EINVAL;
-
f2fs_balance_fs(sbi, true);
file_start_write(filp);
@@ -4210,7 +4254,8 @@ static int f2fs_ioc_compress_file(struct file *filp)
goto out;
}
- if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+ if (!f2fs_compressed_file(inode) ||
+ is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
ret = -EINVAL;
goto out;
}
@@ -4254,6 +4299,7 @@ static int f2fs_ioc_compress_file(struct file *filp)
if (ret)
f2fs_warn(sbi, "%s: The file might be partially compressed (errno=%d). Please delete the file.",
__func__, ret);
+ f2fs_update_time(sbi, REQ_TIME);
out:
inode_unlock(inode);
file_end_write(filp);
@@ -4612,7 +4658,8 @@ static int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *iter,
map.m_may_create = true;
if (dio) {
- map.m_seg_type = f2fs_rw_hint_to_seg_type(inode->i_write_hint);
+ map.m_seg_type = f2fs_rw_hint_to_seg_type(sbi,
+ inode->i_write_hint);
flag = F2FS_GET_BLOCK_PRE_DIO;
} else {
map.m_seg_type = NO_CHECK_TYPE;
@@ -4660,8 +4707,21 @@ static int f2fs_dio_write_end_io(struct kiocb *iocb, ssize_t size, int error,
return 0;
}
+static void f2fs_dio_write_submit_io(const struct iomap_iter *iter,
+ struct bio *bio, loff_t file_offset)
+{
+ struct inode *inode = iter->inode;
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ int seg_type = f2fs_rw_hint_to_seg_type(sbi, inode->i_write_hint);
+ enum temp_type temp = f2fs_get_segment_temp(seg_type);
+
+ bio->bi_write_hint = f2fs_io_type_to_rw_hint(sbi, DATA, temp);
+ submit_bio(bio);
+}
+
static const struct iomap_dio_ops f2fs_iomap_dio_write_ops = {
- .end_io = f2fs_dio_write_end_io,
+ .end_io = f2fs_dio_write_end_io,
+ .submit_io = f2fs_dio_write_submit_io,
};
static void f2fs_flush_buffered_write(struct address_space *mapping,
@@ -4798,6 +4858,8 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
bool dio;
bool may_need_sync = true;
int preallocated;
+ const loff_t pos = iocb->ki_pos;
+ const ssize_t count = iov_iter_count(from);
ssize_t ret;
if (unlikely(f2fs_cp_error(F2FS_I_SB(inode)))) {
@@ -4819,6 +4881,12 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
inode_lock(inode);
}
+ if (f2fs_is_pinned_file(inode) &&
+ !f2fs_overwrite_io(inode, pos, count)) {
+ ret = -EIO;
+ goto out_unlock;
+ }
+
ret = f2fs_write_checks(iocb, from);
if (ret <= 0)
goto out_unlock;
@@ -5045,4 +5113,5 @@ const struct file_operations f2fs_file_operations = {
.splice_read = f2fs_file_splice_read,
.splice_write = iter_file_splice_write,
.fadvise = f2fs_file_fadvise,
+ .fop_flags = FOP_BUFFER_RASYNC,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-16 15:24:26 +0000