| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (c) 2018-2024 Oracle. All Rights Reserved. |
| * Author: Darrick J. Wong <djwong@kernel.org> |
| */ |
| #ifndef __XFS_METAFILE_H__ |
| #define __XFS_METAFILE_H__ |
| |
| const char *xfs_metafile_type_str(enum xfs_metafile_type metatype); |
| |
| /* All metadata files must have these flags set. */ |
| #define XFS_METAFILE_DIFLAGS (XFS_DIFLAG_IMMUTABLE | \ |
| XFS_DIFLAG_SYNC | \ |
| XFS_DIFLAG_NOATIME | \ |
| XFS_DIFLAG_NODUMP | \ |
| XFS_DIFLAG_NODEFRAG) |
| |
| /* All metadata directories must have these flags set. */ |
| #define XFS_METADIR_DIFLAGS (XFS_METAFILE_DIFLAGS | \ |
| XFS_DIFLAG_NOSYMLINKS) |
| |
| void xfs_metafile_set_iflag(struct xfs_trans *tp, struct xfs_inode *ip, |
| enum xfs_metafile_type metafile_type); |
| void xfs_metafile_clear_iflag(struct xfs_trans *tp, struct xfs_inode *ip); |
| |
| /* Space reservations for metadata inodes. */ |
| struct xfs_alloc_arg; |
| |
| bool xfs_metafile_resv_critical(struct xfs_mount *mp); |
| void xfs_metafile_resv_alloc_space(struct xfs_inode *ip, |
| struct xfs_alloc_arg *args); |
| void xfs_metafile_resv_free_space(struct xfs_inode *ip, struct xfs_trans *tp, |
| xfs_filblks_t len); |
| void xfs_metafile_resv_free(struct xfs_mount *mp); |
| int xfs_metafile_resv_init(struct xfs_mount *mp); |
| |
| /* Code specific to kernel/userspace; must be provided externally. */ |
| |
| int xfs_trans_metafile_iget(struct xfs_trans *tp, xfs_ino_t ino, |
| enum xfs_metafile_type metafile_type, struct xfs_inode **ipp); |
| int xfs_metafile_iget(struct xfs_mount *mp, xfs_ino_t ino, |
| enum xfs_metafile_type metafile_type, struct xfs_inode **ipp); |
| |
| #endif /* __XFS_METAFILE_H__ */ |
