[PATCH 2/6 v1 resend] statfs: use << to align with fs header
From: Christian Brauner <christian@brauner.io>
Date: 2018-05-25 12:49:45
Also in:
linux-fsdevel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
After switching to using bit-shifts to define MS_* flags switch over ST_* flags too. ST_* and MS_* flags generally have the exact same value. Initializing them identically let's userspace easily detect when flags indicate the same property but use a different value in doing so. Signed-off-by: Christian Brauner <christian@brauner.io> --- v0->v1: * non-functional changes: extend commit message --- include/linux/statfs.h | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/include/linux/statfs.h b/include/linux/statfs.h
index 3142e98546ac..b336c04e793c 100644
--- a/include/linux/statfs.h
+++ b/include/linux/statfs.h@@ -27,18 +27,18 @@ struct kstatfs { * 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 */ +#define ST_RDONLY (1<<0) /* mount read-only */ +#define ST_NOSUID (1<<1) /* ignore suid and sgid bits */ +#define ST_NODEV (1<<2) /* disallow access to device special files */ +#define ST_NOEXEC (1<<3) /* disallow program execution */ +#define ST_SYNCHRONOUS (1<<4) /* writes are synced at once */ +#define ST_VALID (1<<5) /* f_flags support is implemented */ +#define ST_MANDLOCK (1<<6) /* allow mandatory locks on an FS */ +/* (1<<7) used for ST_WRITE in glibc */ +/* (1<<8) used for ST_APPEND in glibc */ +/* (1<<9) used for ST_IMMUTABLE in glibc */ +#define ST_NOATIME (1<<10) /* do not update access times */ +#define ST_NODIRATIME (1<<11) /* do not update directory access times */ +#define ST_RELATIME (1<<12) /* update atime relative to mtime/ctime */ #endif
--
2.17.0