diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/internal_statvfs.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/internal_statvfs.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c index 59b173ed73..0169ae341a 100644 --- a/sysdeps/unix/sysv/linux/internal_statvfs.c +++ b/sysdeps/unix/sysv/linux/internal_statvfs.c @@ -29,6 +29,11 @@ #include <sys/statfs.h> #include <sys/statvfs.h> #include "linux_fsinfo.h" +#include "kernel-features.h" + + +/* Special internal-only bit value. */ +#define ST_VALID 0x0020 #ifndef STATFS @@ -37,6 +42,7 @@ # define INTERNAL_STATVFS __internal_statvfs +# ifndef __ASSUME_STATFS_F_FLAGS int __statvfs_getflags (const char *name, int fstype, struct stat64 *st) { @@ -200,6 +206,7 @@ __statvfs_getflags (const char *name, int fstype, struct stat64 *st) return result; } +# endif #else extern int __statvfs_getflags (const char *name, int fstype, struct stat64 *st); @@ -240,9 +247,14 @@ INTERNAL_STATVFS (const char *name, struct STATVFS *buf, /* XXX I have no idea how to compute f_favail. Any idea??? */ buf->f_favail = buf->f_ffree; - /* Determining the flags is tricky. We have to read /proc/mounts or - the /etc/mtab file and search for the entry which matches the given - file. The way we can test for matching filesystem is using the - device number. */ - buf->f_flag = __statvfs_getflags (name, fsbuf->f_type, st); +#ifndef __ASSUME_STATFS_F_FLAGS + if ((fsbuf->f_flags & ST_VALID) == 0) + /* Determining the flags is tricky. We have to read /proc/mounts or + the /etc/mtab file and search for the entry which matches the given + file. The way we can test for matching filesystem is using the + device number. */ + buf->f_flag = __statvfs_getflags (name, fsbuf->f_type, st); + else +#endif + buf->f_flag = fsbuf->f_flags ^ ST_VALID; } |