diff options
| author |   Miklos Szeredi <mszeredi@redhat.com> | 2020-05-14 16:44:24 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2020-05-14 16:44:24 +0200 |
| commit | 80340fe3605c0e78cfe496c3b3878be828cfdbfe (patch) | |
| tree | a579a0172a6e31a9fe0b11c186f130a4fe9479a6 /include/uapi | |
| parent | statx: add mount ID (diff) | |
| download | wireguard-linux-80340fe3605c0e78cfe496c3b3878be828cfdbfe.tar.xz wireguard-linux-80340fe3605c0e78cfe496c3b3878be828cfdbfe.zip | |
statx: add mount_root
Determining whether a path or file descriptor refers to a mountpoint (or
more precisely a mount root) is not trivial using current tools.
Add a flag to statx that indicates whether the path or fd refers to the
root of a mount or not.
Cc: linux-api@vger.kernel.org
Cc: linux-man@vger.kernel.org
Reported-by: Lennart Poettering <mzxreary@0pointer.de>
Reported-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/stat.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h index d81456247f10..6df9348bb277 100644 --- a/include/uapi/linux/stat.h +++ b/include/uapi/linux/stat.h @@ -181,6 +181,7 @@ struct statx { #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */ #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ +#define STATX_ATTR_MOUNT_ROOT 0x00002000 /* Root of a mount */ #define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */ |