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kernel/linux-imx6_3.14.28/include/linux/statfs.h 1.28 KB
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  #ifndef _LINUX_STATFS_H
  #define _LINUX_STATFS_H
  
  #include <linux/types.h>
  #include <asm/statfs.h>
  
  struct kstatfs {
  	long f_type;
  	long f_bsize;
  	u64 f_blocks;
  	u64 f_bfree;
  	u64 f_bavail;
  	u64 f_files;
  	u64 f_ffree;
  	__kernel_fsid_t f_fsid;
  	long f_namelen;
  	long f_frsize;
  	long f_flags;
  	long f_spare[4];
  };
  
  /*
   * Definitions for the flag in f_flag.
   *
   * Generally these flags are equivalent to the MS_ flags used in the mount
   * ABI.  The exception is ST_VALID which has the same value as MS_REMOUNT
   * which doesn't make any sense for statfs.
   */
  #define ST_RDONLY	0x0001	/* mount read-only */
  #define ST_NOSUID	0x0002	/* ignore suid and sgid bits */
  #define ST_NODEV	0x0004	/* disallow access to device special files */
  #define ST_NOEXEC	0x0008	/* disallow program execution */
  #define ST_SYNCHRONOUS	0x0010	/* writes are synced at once */
  #define ST_VALID	0x0020	/* f_flags support is implemented */
  #define ST_MANDLOCK	0x0040	/* allow mandatory locks on an FS */
  /* 0x0080 used for ST_WRITE in glibc */
  /* 0x0100 used for ST_APPEND in glibc */
  /* 0x0200 used for ST_IMMUTABLE in glibc */
  #define ST_NOATIME	0x0400	/* do not update access times */
  #define ST_NODIRATIME	0x0800	/* do not update directory access times */
  #define ST_RELATIME	0x1000	/* update atime relative to mtime/ctime */
  
  #endif