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https://github.com/kdave/btrfs-progs
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4576029dfd
Add convenience wrappers for writing a buffer or u64 to toplevel or FSID file in sysfs. Signed-off-by: David Sterba <dsterba@suse.com>
35 lines
1.3 KiB
C
35 lines
1.3 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 __COMMON_SYSFS_UTILS__
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#define __COMMON_SYSFS_UTILS__
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#include <stddef.h>
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int sysfs_open_file(const char *name);
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int sysfs_open_file_rw(const char *name);
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int sysfs_open_fsid_file(int fd, const char *filename);
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int sysfs_open_fsid_file_rw(int fd, const char *filename);
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int sysfs_open_fsid_dir(int fd, const char *dirname);
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int sysfs_read_fsid_file_u64(int fd, const char *name, u64 *value);
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int sysfs_write_fsid_file_u64(int fd, const char *name, u64 value);
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int sysfs_read_file(int fd, char *buf, size_t size);
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int sysfs_write_file(int fd, const char *buf, size_t size);
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int sysfs_read_file_u64(const char *name, u64 *value);
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int sysfs_write_file_u64(const char *name, u64 value);
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#endif
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