/* * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef XFS_SYNC_H #define XFS_SYNC_H 1 struct xfs_mount; struct xfs_perag; struct xfs_eofblocks { __u32 eof_flags; kuid_t eof_uid; kgid_t eof_gid; prid_t eof_prid; __u64 eof_min_file_size; xfs_ino_t eof_scan_owner; }; #define SYNC_WAIT 0x0001 /* wait for i/o to complete */ #define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */ /* * tags for inode radix tree */ #define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup in xfs_inode_ag_iterator */ #define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */ #define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */ #define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */ /* * Flags for xfs_iget() */ #define XFS_IGET_CREATE 0x1 #define XFS_IGET_UNTRUSTED 0x2 #define XFS_IGET_DONTCACHE 0x4 int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino, uint flags, uint lock_flags, xfs_inode_t **ipp); /* recovery needs direct inode allocation capability */ struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino); void xfs_inode_free(struct xfs_inode *ip); void xfs_reclaim_worker(struct work_struct *work); int xfs_reclaim_inodes(struct xfs_mount *mp, int mode); int xfs_reclaim_inodes_count(struct xfs_mount *mp); long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan); void xfs_inode_set_reclaim_tag(struct xfs_inode *ip); void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); void xfs_eofblocks_worker(struct work_struct *); void xfs_queue_eofblocks(struct xfs_mount *); void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *); int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip); void xfs_cowblocks_worker(struct work_struct *); int xfs_inode_ag_iterator(struct xfs_mount *mp, int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args); int xfs_inode_ag_iterator_tag(struct xfs_mount *mp, int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args, int tag); static inline int xfs_fs_eofblocks_from_user( struct xfs_fs_eofblocks *src, struct xfs_eofblocks *dst) { if (src->eof_version != XFS_EOFBLOCKS_VERSION) return -EINVAL; if (src->eof_flags & ~XFS_EOF_FLAGS_VALID) return -EINVAL; if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) || memchr_inv(src->pad64, 0, sizeof(src->pad64))) return -EINVAL; dst->eof_flags = src->eof_flags; dst->eof_prid = src->eof_prid; dst->eof_min_file_size = src->eof_min_file_size; dst->eof_scan_owner = NULLFSINO; dst->eof_uid = INVALID_UID; if (src->eof_flags & XFS_EOF_FLAGS_UID) { dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid); if (!uid_valid(dst->eof_uid)) return -EINVAL; } dst->eof_gid = INVALID_GID; if (src->eof_flags & XFS_EOF_FLAGS_GID) { dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid); if (!gid_valid(dst->eof_gid)) return -EINVAL; } return 0; } #endif ba20b5976e445676febbdf6dc78d71c6d7b62'>mac80211: Allocate a sync skcipher explicitly for FILS AEAD