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53 lines
1.6 KiB
53 lines
1.6 KiB
/* 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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