mirror of
https://github.com/kdave/btrfs-progs
synced 2025-02-17 02:06:51 +00:00
c4d2704c9a
Introduce the queue_param helper function to get a device request queue parameter. This helper will be used later to query information of a zoned device. Furthermore, rewrite is_ssd() using the helper function. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> [Naohiro] fixed error return value Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Signed-off-by: David Sterba <dsterba@suse.com>
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __DEVICE_UTILS_H__
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#define __DEVICE_UTILS_H__
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#include "kerncompat.h"
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#include "sys/stat.h"
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#define PREP_DEVICE_ZERO_END (1U << 0)
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#define PREP_DEVICE_DISCARD (1U << 1)
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#define PREP_DEVICE_VERBOSE (1U << 2)
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u64 get_partition_size(const char *dev);
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u64 disk_size(const char *path);
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u64 btrfs_device_size(int fd, struct stat *st);
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int btrfs_prepare_device(int fd, const char *file, u64 *block_count_ret,
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u64 max_block_count, unsigned opflags);
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int queue_param(const char *file, const char *param, char *buf, size_t len);
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#endif
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