1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. 4 * All Rights Reserved. 5 */ 6 #ifndef __XFS_INODE_UTIL_H__ 7 #define __XFS_INODE_UTIL_H__ 8 9 struct xfs_icluster; 10 11 uint16_t xfs_flags2diflags(struct xfs_inode *ip, unsigned int xflags); 12 uint64_t xfs_flags2diflags2(struct xfs_inode *ip, unsigned int xflags); 13 uint32_t xfs_dic2xflags(struct xfs_inode *ip); 14 uint32_t xfs_ip2xflags(struct xfs_inode *ip); 15 16 prid_t xfs_get_initial_prid(struct xfs_inode *dp); 17 18 /* 19 * File creation context. 20 * 21 * Due to our only partial reliance on the VFS to propagate uid and gid values 22 * according to accepted Unix behaviors, callers must initialize idmap to the 23 * correct idmapping structure to get the correct inheritance behaviors when 24 * XFS_MOUNT_GRPID is set. 25 * 26 * To create files detached from the directory tree (e.g. quota inodes), set 27 * idmap to NULL. To create a tree root, set pip to NULL. 28 */ 29 struct xfs_icreate_args { 30 struct mnt_idmap *idmap; 31 struct xfs_inode *pip; /* parent inode or null */ 32 dev_t rdev; 33 umode_t mode; 34 35 #define XFS_ICREATE_TMPFILE (1U << 0) /* create an unlinked file */ 36 #define XFS_ICREATE_INIT_XATTRS (1U << 1) /* will set xattrs immediately */ 37 #define XFS_ICREATE_UNLINKABLE (1U << 2) /* cannot link into dir tree */ 38 uint16_t flags; 39 }; 40 41 /* 42 * Flags for xfs_trans_ichgtime(). 43 */ 44 #define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */ 45 #define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */ 46 #define XFS_ICHGTIME_CREATE 0x4 /* inode create timestamp */ 47 #define XFS_ICHGTIME_ACCESS 0x8 /* last access timestamp */ 48 void xfs_trans_ichgtime(struct xfs_trans *tp, struct xfs_inode *ip, int flags); 49 50 void xfs_inode_init(struct xfs_trans *tp, const struct xfs_icreate_args *args, 51 struct xfs_inode *ip); 52 53 int xfs_inode_uninit(struct xfs_trans *tp, struct xfs_perag *pag, 54 struct xfs_inode *ip, struct xfs_icluster *xic); 55 56 int xfs_iunlink(struct xfs_trans *tp, struct xfs_inode *ip); 57 int xfs_iunlink_remove(struct xfs_trans *tp, struct xfs_perag *pag, 58 struct xfs_inode *ip); 59 int xfs_droplink(struct xfs_trans *tp, struct xfs_inode *ip); 60 void xfs_bumplink(struct xfs_trans *tp, struct xfs_inode *ip); 61 62 #endif /* __XFS_INODE_UTIL_H__ */ 63