linux/fs/btrfs/delalloc-space.h
Josef Bacik 1daedb1d6b btrfs: add the ability to use NO_FLUSH for data reservations
In order to accommodate NOWAIT IOCB's we need to be able to do NO_FLUSH
data reservations, so plumb this through the delalloc reservation
system.

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Stefan Roesch <shr@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2022-09-29 17:08:28 +02:00

25 lines
967 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BTRFS_DELALLOC_SPACE_H
#define BTRFS_DELALLOC_SPACE_H
struct extent_changeset;
int btrfs_alloc_data_chunk_ondemand(struct btrfs_inode *inode, u64 bytes);
int btrfs_check_data_free_space(struct btrfs_inode *inode,
struct extent_changeset **reserved, u64 start, u64 len,
bool noflush);
void btrfs_free_reserved_data_space(struct btrfs_inode *inode,
struct extent_changeset *reserved, u64 start, u64 len);
void btrfs_delalloc_release_space(struct btrfs_inode *inode,
struct extent_changeset *reserved,
u64 start, u64 len, bool qgroup_free);
void btrfs_free_reserved_data_space_noquota(struct btrfs_fs_info *fs_info,
u64 len);
void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes,
bool qgroup_free);
int btrfs_delalloc_reserve_space(struct btrfs_inode *inode,
struct extent_changeset **reserved, u64 start, u64 len);
#endif /* BTRFS_DELALLOC_SPACE_H */