mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2025-02-07 18:54:21 +00:00
Code Issues Releases Activity

linux(4): Convert mount exported flags for statfs system calls.

Browse Source 
MFC after:		1 week
This commit is contained in:
Dmitry Chagin 2023-01-28 13:20:27 +03:00
parent 953688e823
commit 9922bccbc9
2 changed files with 38 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
sys/compat/linux/linux.h
View File

@ -264,6 +264,21 @@ struct l_statx {
uint64_t __spare2[13];
};
/*
* statfs f_flags
*/
#define LINUX_ST_RDONLY 0x0001
#define LINUX_ST_NOSUID 0x0002
#define LINUX_ST_NODEV 0x0004 /* No native analogue */
#define LINUX_ST_NOEXEC 0x0008
#define LINUX_ST_SYNCHRONOUS 0x0010
#define LINUX_ST_VALID 0x0020
#define LINUX_ST_MANDLOCK 0x0040 /* No native analogue */
#define LINUX_ST_NOATIME 0x0400
#define LINUX_ST_NODIRATIME 0x0800 /* No native analogue */
#define LINUX_ST_RELATIME 0x1000 /* No native analogue */
#define LINUX_ST_NOSYMFOLLOW 0x2000
#define lower_32_bits(n) ((uint32_t)((n) & 0xffffffff))
#ifdef KTRACE

25
sys/compat/linux/linux_stats.c
View File

@ -410,6 +410,27 @@ bsd_to_linux_ftype(const char *fstypename)
return (0L);
}
static int
bsd_to_linux_mnt_flags(int f_flags)
{
int flags = LINUX_ST_VALID;
if (f_flags & MNT_RDONLY)
flags |= LINUX_ST_RDONLY;
if (f_flags & MNT_NOEXEC)
flags |= LINUX_ST_NOEXEC;
if (f_flags & MNT_NOSUID)
flags |= LINUX_ST_NOSUID;
if (f_flags & MNT_NOATIME)
flags |= LINUX_ST_NOATIME;
if (f_flags & MNT_NOSYMFOLLOW)
flags |= LINUX_ST_NOSYMFOLLOW;
if (f_flags & MNT_SYNCHRONOUS)
flags |= LINUX_ST_SYNCHRONOUS;
return (flags);
}
static int
bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs)
{
@ -433,7 +454,7 @@ bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs)
linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1];
linux_statfs->f_namelen = MAXNAMLEN;
linux_statfs->f_frsize = bsd_statfs->f_bsize;
linux_statfs->f_flags = 0;
linux_statfs->f_flags = bsd_to_linux_mnt_flags(bsd_statfs->f_flags);
memset(linux_statfs->f_spare, 0, sizeof(linux_statfs->f_spare));
return (0);
@ -480,7 +501,7 @@ bsd_to_linux_statfs64(struct statfs *bsd_statfs, struct l_statfs64 *linux_statfs
linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1];
linux_statfs->f_namelen = MAXNAMLEN;
linux_statfs->f_frsize = bsd_statfs->f_bsize;
linux_statfs->f_flags = 0;
linux_statfs->f_flags = bsd_to_linux_mnt_flags(bsd_statfs->f_flags);
memset(linux_statfs->f_spare, 0, sizeof(linux_statfs->f_spare));
}