diff options
Diffstat (limited to 'mount/mount_constants.h')
| -rw-r--r-- | mount/mount_constants.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/mount/mount_constants.h b/mount/mount_constants.h index aeb7edfb3..5fd290829 100644 --- a/mount/mount_constants.h +++ b/mount/mount_constants.h @@ -19,12 +19,31 @@ #ifndef MS_MANDLOCK #define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */ #endif +#ifndef MS_ACTION_MASK +#define MS_ACTION_MASK 0x380 +/* Remount, but new filesystem may be different from old. Atomic + (i.e. there is no interval when nothing is mounted at the mountpoint). + If new fs differs from the old one and old is busy - -EBUSY. */ +#define MS_REPLACE 0x080 /* 128 */ +/* After, Before: as soon as we get unions these will add a new member + in the end or beginning of the chain. Fail if there is a stack + on the mountpoint. */ +#define MS_AFTER 0x100 /* 256 */ +#define MS_BEFORE 0x180 +/* Over: if nothing mounted on a mountpoint - same as if none of these +flags had been set; if we have a union with more than one element - fail; +if we have a stack or plain mount - mount atop of it, forming a stack. */ +#define MS_OVER 0x200 /* 512 */ +#endif #ifndef MS_NOATIME #define MS_NOATIME 1024 /* Do not update access times. */ #endif #ifndef MS_NODIRATIME #define MS_NODIRATIME 2048 /* Do not update directory access times */ #endif +#ifndef MS_BIND +#define MS_BIND 4096 +#endif /* * Magic mount flag number. Has to be or-ed to the flag values. */ |