diff options
Diffstat (limited to 'fs/xfs/xfs_buf_item.h')
| -rw-r--r-- | fs/xfs/xfs_buf_item.h | 71 |
1 files changed, 33 insertions, 38 deletions
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h index f7eba99d19dd..3159325dd17b 100644 --- a/fs/xfs/xfs_buf_item.h +++ b/fs/xfs/xfs_buf_item.h @@ -1,34 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2000-2001,2005 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_BUF_ITEM_H__ #define __XFS_BUF_ITEM_H__ /* kernel only definitions */ +struct xfs_buf; +struct xfs_mount; + /* buf log item flags */ -#define XFS_BLI_HOLD 0x01 -#define XFS_BLI_DIRTY 0x02 -#define XFS_BLI_STALE 0x04 -#define XFS_BLI_LOGGED 0x08 -#define XFS_BLI_INODE_ALLOC_BUF 0x10 -#define XFS_BLI_STALE_INODE 0x20 -#define XFS_BLI_INODE_BUF 0x40 -#define XFS_BLI_ORDERED 0x80 +#define XFS_BLI_HOLD (1u << 0) +#define XFS_BLI_DIRTY (1u << 1) +#define XFS_BLI_STALE (1u << 2) +#define XFS_BLI_LOGGED (1u << 3) +#define XFS_BLI_INODE_ALLOC_BUF (1u << 4) +#define XFS_BLI_STALE_INODE (1u << 5) +#define XFS_BLI_INODE_BUF (1u << 6) +#define XFS_BLI_ORDERED (1u << 7) #define XFS_BLI_FLAGS \ { XFS_BLI_HOLD, "HOLD" }, \ @@ -40,18 +31,13 @@ { XFS_BLI_INODE_BUF, "INODE_BUF" }, \ { XFS_BLI_ORDERED, "ORDERED" } - -struct xfs_buf; -struct xfs_mount; -struct xfs_buf_log_item; - /* * This is the in core log item structure used to track information * needed to log buffers. It tracks how many times the lock has been * locked, and which 128 byte chunks of the buffer are dirty. */ -typedef struct xfs_buf_log_item { - xfs_log_item_t bli_item; /* common item structure */ +struct xfs_buf_log_item { + struct xfs_log_item bli_item; /* common item structure */ struct xfs_buf *bli_buf; /* real buffer pointer */ unsigned int bli_flags; /* misc flags */ unsigned int bli_recur; /* lock recursion count */ @@ -59,18 +45,27 @@ typedef struct xfs_buf_log_item { int bli_format_count; /* count of headers */ struct xfs_buf_log_format *bli_formats; /* array of in-log header ptrs */ struct xfs_buf_log_format __bli_format; /* embedded in-log header */ -} xfs_buf_log_item_t; +}; int xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *); -void xfs_buf_item_relse(struct xfs_buf *); -void xfs_buf_item_log(xfs_buf_log_item_t *, uint, uint); -uint xfs_buf_item_dirty(xfs_buf_log_item_t *); -void xfs_buf_attach_iodone(struct xfs_buf *, - void(*)(struct xfs_buf *, xfs_log_item_t *), - xfs_log_item_t *); -void xfs_buf_iodone_callbacks(struct xfs_buf *); -void xfs_buf_iodone(struct xfs_buf *, struct xfs_log_item *); +void xfs_buf_item_done(struct xfs_buf *bp); +void xfs_buf_item_put(struct xfs_buf_log_item *bip); +void xfs_buf_item_log(struct xfs_buf_log_item *, uint, uint); +bool xfs_buf_item_dirty_format(struct xfs_buf_log_item *); +void xfs_buf_inode_iodone(struct xfs_buf *); +#ifdef CONFIG_XFS_QUOTA +void xfs_buf_dquot_iodone(struct xfs_buf *); +#else +static inline void xfs_buf_dquot_iodone(struct xfs_buf *bp) +{ +} +#endif /* CONFIG_XFS_QUOTA */ +void xfs_buf_iodone(struct xfs_buf *); +bool xfs_buf_log_check_iovec(struct kvec *iovec); + +unsigned int xfs_buf_inval_log_space(unsigned int map_count, + unsigned int blocksize); -extern kmem_zone_t *xfs_buf_item_zone; +extern struct kmem_cache *xfs_buf_item_cache; #endif /* __XFS_BUF_ITEM_H__ */ |