63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
#ifndef MS_RDONLY
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#define MS_RDONLY 1 /* Mount read-only */
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#endif
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#ifndef MS_NOSUID
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#define MS_NOSUID 2 /* Ignore suid and sgid bits */
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#endif
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#ifndef MS_NODEV
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#define MS_NODEV 4 /* Disallow access to device special files */
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#endif
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#ifndef MS_NOEXEC
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#define MS_NOEXEC 8 /* Disallow program execution */
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#endif
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#ifndef MS_SYNCHRONOUS
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#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
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#endif
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#ifndef MS_REMOUNT
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#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
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#endif
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#ifndef MS_MANDLOCK
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#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
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#endif
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#ifndef MS_DIRSYNC
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#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
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#endif
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#ifndef MS_ACTION_MASK
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#define MS_ACTION_MASK 0x380
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/* Remount, but new filesystem may be different from old. Atomic
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(i.e. there is no interval when nothing is mounted at the mountpoint).
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If new fs differs from the old one and old is busy - -EBUSY. */
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#define MS_REPLACE 0x080 /* 128 */
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/* After, Before: as soon as we get unions these will add a new member
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in the end or beginning of the chain. Fail if there is a stack
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on the mountpoint. */
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#define MS_AFTER 0x100 /* 256 */
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#define MS_BEFORE 0x180
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/* Over: if nothing mounted on a mountpoint - same as if none of these
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flags had been set; if we have a union with more than one element - fail;
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if we have a stack or plain mount - mount atop of it, forming a stack. */
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#define MS_OVER 0x200 /* 512 */
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#endif
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#ifndef MS_NOATIME
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#define MS_NOATIME 0x400 /* 1024: Do not update access times. */
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#endif
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#ifndef MS_NODIRATIME
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#define MS_NODIRATIME 0x800 /* 2048: Don't update directory access times */
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#endif
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#ifndef MS_BIND
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#define MS_BIND 0x1000 /* 4096: Mount existing tree also elsewhere */
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#endif
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#ifndef MS_MOVE
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#define MS_MOVE 0x2000 /* 8192: Atomically move tree */
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#endif
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/*
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* Magic mount flag number. Has to be or-ed to the flag values.
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*/
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#ifndef MS_MGC_VAL
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#define MS_MGC_VAL 0xC0ED0000 /* magic flag number to indicate "new" flags */
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#endif
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#ifndef MS_MGC_MSK
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#define MS_MGC_MSK 0xffff0000 /* magic flag number mask */
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#endif
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