/* -*- mode: c; c-basic-offset: 8; -*- * vim: noexpandtab sw=8 ts=8 sts=0: * * extent_map.h * * In-memory file extent mappings for OCFS2. * * Copyright (C) 2004 Oracle. 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, version 2, as published by the Free Software Foundation. * * This program is distributed in the hope that it will 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 to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 021110-1307, USA. */ #ifndef _EXTENT_MAP_H #define _EXTENT_MAP_H struct ocfs2_extent_map_item { unsigned int ei_cpos; unsigned int ei_phys; unsigned int ei_clusters; unsigned int ei_flags; struct list_head ei_list; }; #define OCFS2_MAX_EXTENT_MAP_ITEMS 3 struct ocfs2_extent_map { unsigned int em_num_items; struct list_head em_list; }; void ocfs2_extent_map_init(struct inode *inode); void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cluster); void ocfs2_extent_map_insert_rec(struct inode *inode, struct ocfs2_extent_rec *rec); int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, unsigned int *extent_flags); int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno, u64 *ret_count, unsigned int *extent_flags); int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 map_start, u64 map_len); int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin); int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, struct ocfs2_extent_list *el, unsigned int *extent_flags); int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr, struct buffer_head *bhs[], int flags, int (*validate)(struct super_block *sb, struct buffer_head *bh)); int ocfs2_figure_hole_clusters(struct ocfs2_caching_info *ci, struct ocfs2_extent_list *el, struct buffer_head *eb_bh, u32 v_cluster, u32 *num_clusters); static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block, struct buffer_head **bh, int (*validate)(struct super_block *sb, struct buffer_head *bh)) { int status = 0; if (bh == NULL) { printk("ocfs2: bh == NULL\n"); status = -EINVAL; goto bail; } status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate); bail: return status; } #endif /* _EXTENT_MAP_H */ t.git/commit/include/uapi?id=8b0e195314fabd58a331c4f7b6db75a1565535d7'>uapi/scsi
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authorThomas Gleixner <tglx@linutronix.de>2016-12-25 12:30:41 +0100
committerThomas Gleixner <tglx@linutronix.de>2016-12-25 17:21:22 +0100
commit8b0e195314fabd58a331c4f7b6db75a1565535d7 (patch)
tree6ff9d2d9388406b8447b09b6a4037795142172de /include/uapi/scsi
parent2456e855354415bfaeb7badaa14e11b3e02c8466 (diff)
ktime: Cleanup ktime_set() usage
ktime_set(S,N) was required for the timespec storage type and is still useful for situations where a Seconds and Nanoseconds part of a time value needs to be converted. For anything where the Seconds argument is 0, this is pointless and can be replaced with a simple assignment. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/uapi/scsi')