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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6d1349c769
Get rid of boilerplate in most of ->statfs() instances... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_STATFS_H
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#define _LINUX_STATFS_H
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#include <linux/types.h>
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#include <asm/statfs.h>
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struct kstatfs {
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long f_type;
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long f_bsize;
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u64 f_blocks;
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u64 f_bfree;
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u64 f_bavail;
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u64 f_files;
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u64 f_ffree;
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__kernel_fsid_t f_fsid;
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long f_namelen;
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long f_frsize;
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long f_flags;
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long f_spare[4];
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};
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/*
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* Definitions for the flag in f_flag.
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*
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* Generally these flags are equivalent to the MS_ flags used in the mount
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* ABI. The exception is ST_VALID which has the same value as MS_REMOUNT
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* which doesn't make any sense for statfs.
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*/
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#define ST_RDONLY 0x0001 /* mount read-only */
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#define ST_NOSUID 0x0002 /* ignore suid and sgid bits */
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#define ST_NODEV 0x0004 /* disallow access to device special files */
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#define ST_NOEXEC 0x0008 /* disallow program execution */
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#define ST_SYNCHRONOUS 0x0010 /* writes are synced at once */
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#define ST_VALID 0x0020 /* f_flags support is implemented */
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#define ST_MANDLOCK 0x0040 /* allow mandatory locks on an FS */
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/* 0x0080 used for ST_WRITE in glibc */
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/* 0x0100 used for ST_APPEND in glibc */
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/* 0x0200 used for ST_IMMUTABLE in glibc */
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#define ST_NOATIME 0x0400 /* do not update access times */
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#define ST_NODIRATIME 0x0800 /* do not update directory access times */
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#define ST_RELATIME 0x1000 /* update atime relative to mtime/ctime */
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#define ST_NOSYMFOLLOW 0x2000 /* do not follow symlinks */
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struct dentry;
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extern int vfs_get_fsid(struct dentry *dentry, __kernel_fsid_t *fsid);
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static inline __kernel_fsid_t u64_to_fsid(u64 v)
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{
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return (__kernel_fsid_t){.val = {(u32)v, (u32)(v>>32)}};
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}
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#endif
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