2 /* TODO merge/factor into tools/lib/lk/debugfs.c */
7 static const char * const sysfs__fs_known_mountpoints
[] = {
14 const char * const *mounts
;
15 char path
[PATH_MAX
+ 1];
24 static struct fs fs__entries
[] = {
27 .mounts
= sysfs__fs_known_mountpoints
,
32 static bool fs__read_mounts(struct fs
*fs
)
38 fp
= fopen("/proc/mounts", "r");
43 fscanf(fp
, "%*s %" STR(PATH_MAX
) "s %99s %*s %*d %*d\n",
44 fs
->path
, type
) == 2) {
46 if (strcmp(type
, fs
->name
) == 0)
51 return fs
->found
= found
;
54 static int fs__valid_mount(const char *fs
, long magic
)
58 if (statfs(fs
, &st_fs
) < 0)
60 else if (st_fs
.f_type
!= magic
)
66 static bool fs__check_mounts(struct fs
*fs
)
68 const char * const *ptr
;
72 if (fs__valid_mount(*ptr
, fs
->magic
) == 0) {
74 strcpy(fs
->path
, *ptr
);
83 static const char *fs__get_mountpoint(struct fs
*fs
)
85 if (fs__check_mounts(fs
))
88 return fs__read_mounts(fs
) ? fs
->path
: NULL
;
91 static const char *fs__mountpoint(int idx
)
93 struct fs
*fs
= &fs__entries
[idx
];
96 return (const char *)fs
->path
;
98 return fs__get_mountpoint(fs
);
101 #define FS__MOUNTPOINT(name, idx) \
102 const char *name##__mountpoint(void) \
104 return fs__mountpoint(idx); \
107 FS__MOUNTPOINT(sysfs
, FS__SYSFS
);