diff options
Diffstat (limited to 'fs/xfs/xfs_bmap_util.h')
| -rw-r--r-- | fs/xfs/xfs_bmap_util.h | 63 |
1 files changed, 35 insertions, 28 deletions
diff --git a/fs/xfs/xfs_bmap_util.h b/fs/xfs/xfs_bmap_util.h index 0cede1043571..c477b3361630 100644 --- a/fs/xfs/xfs_bmap_util.h +++ b/fs/xfs/xfs_bmap_util.h @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 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_BMAP_UTIL_H__ #define __XFS_BMAP_UTIL_H__ @@ -27,42 +15,57 @@ struct xfs_inode; struct xfs_mount; struct xfs_trans; struct xfs_bmalloca; +struct xfs_zone_alloc_ctx; +#ifdef CONFIG_XFS_RT int xfs_bmap_rtalloc(struct xfs_bmalloca *ap); -int xfs_bmap_eof(struct xfs_inode *ip, xfs_fileoff_t endoff, - int whichfork, int *eof); -int xfs_bmap_punch_delalloc_range(struct xfs_inode *ip, - xfs_fileoff_t start_fsb, xfs_fileoff_t length); +#else /* !CONFIG_XFS_RT */ +/* + * Attempts to allocate RT extents when RT is disable indicates corruption and + * should trigger a shutdown. + */ +static inline int +xfs_bmap_rtalloc(struct xfs_bmalloca *ap) +{ + return -EFSCORRUPTED; +} +#endif /* CONFIG_XFS_RT */ -/* bmap to userspace formatter - copy to user & advance pointer */ -typedef int (*xfs_bmap_format_t)(void **, struct getbmapx *); +void xfs_bmap_punch_delalloc_range(struct xfs_inode *ip, int whichfork, + xfs_off_t start_byte, xfs_off_t end_byte, + struct xfs_zone_alloc_ctx *ac); + +struct kgetbmap { + __s64 bmv_offset; /* file offset of segment in blocks */ + __s64 bmv_block; /* starting block (64-bit daddr_t) */ + __s64 bmv_length; /* length of segment, blocks */ + __s32 bmv_oflags; /* output flags */ +}; int xfs_getbmap(struct xfs_inode *ip, struct getbmapx *bmv, - xfs_bmap_format_t formatter, void *arg); + struct kgetbmap *out); /* functions in xfs_bmap.c that are only needed by xfs_bmap_util.c */ int xfs_bmap_extsize_align(struct xfs_mount *mp, struct xfs_bmbt_irec *gotp, struct xfs_bmbt_irec *prevp, xfs_extlen_t extsz, int rt, int eof, int delay, int convert, xfs_fileoff_t *offp, xfs_extlen_t *lenp); -void xfs_bmap_adjacent(struct xfs_bmalloca *ap); +bool xfs_bmap_adjacent(struct xfs_bmalloca *ap); int xfs_bmap_last_extent(struct xfs_trans *tp, struct xfs_inode *ip, int whichfork, struct xfs_bmbt_irec *rec, int *is_empty); /* preallocation and hole punch interface */ int xfs_alloc_file_space(struct xfs_inode *ip, xfs_off_t offset, - xfs_off_t len, int alloc_type); + xfs_off_t len); int xfs_free_file_space(struct xfs_inode *ip, xfs_off_t offset, - xfs_off_t len); -int xfs_zero_file_space(struct xfs_inode *ip, xfs_off_t offset, - xfs_off_t len); + xfs_off_t len, struct xfs_zone_alloc_ctx *ac); int xfs_collapse_file_space(struct xfs_inode *, xfs_off_t offset, - xfs_off_t len); + xfs_off_t len, struct xfs_zone_alloc_ctx *ac); int xfs_insert_file_space(struct xfs_inode *, xfs_off_t offset, - xfs_off_t len); + xfs_off_t len); /* EOF block manipulation functions */ -bool xfs_can_free_eofblocks(struct xfs_inode *ip, bool force); +bool xfs_can_free_eofblocks(struct xfs_inode *ip); int xfs_free_eofblocks(struct xfs_inode *ip); int xfs_swap_extents(struct xfs_inode *ip, struct xfs_inode *tip, @@ -70,8 +73,12 @@ int xfs_swap_extents(struct xfs_inode *ip, struct xfs_inode *tip, xfs_daddr_t xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb); +xfs_extnum_t xfs_bmap_count_leaves(struct xfs_ifork *ifp, xfs_filblks_t *count); int xfs_bmap_count_blocks(struct xfs_trans *tp, struct xfs_inode *ip, int whichfork, xfs_extnum_t *nextents, xfs_filblks_t *count); +int xfs_flush_unmap_range(struct xfs_inode *ip, xfs_off_t offset, + xfs_off_t len); + #endif /* __XFS_BMAP_UTIL_H__ */ |