minix/lib/libpuffs/stadir.c
David van Moolenbroek 22840dea11 libfsdriver: preinitialize stat.st_ino
The stat.st_ino field must always be filled with the inode number
given as part of the fdr_stat request anyway, so libfsdriver can
simply fill in the number and allow the file system not to bother.

Change-Id: Ia7a849d0b23dfc83010df0d48fa26e4225427694
2015-06-23 14:38:04 +00:00

83 lines
2.1 KiB
C

/* Created (MFS based):
* February 2010 (Evgeniy Ivanov)
*/
#include "fs.h"
#include <sys/stat.h>
#include <sys/statvfs.h>
#include "puffs.h"
#include "puffs_priv.h"
/*===========================================================================*
* fs_stat *
*===========================================================================*/
int fs_stat(ino_t ino_nr, struct stat *statbuf)
{
register struct puffs_node *pn; /* target pnode */
struct vattr va;
mode_t mo;
int s;
PUFFS_MAKECRED(pcr, &global_kcred);
if (global_pu->pu_ops.puffs_node_getattr == NULL) {
lpuffs_debug("fs_stat: puffs_node_getattr is missing\n");
return(EINVAL);
}
if ((pn = puffs_pn_nodewalk(global_pu, 0, &ino_nr)) == NULL) {
lpuffs_debug("walk failed...\n");
return(EINVAL);
}
if (global_pu->pu_ops.puffs_node_getattr(global_pu, pn, &va, pcr) != 0) {
if (errno) {
if (errno > 0) errno = -errno;
return(errno);
}
return(EINVAL);
}
/* Fill in the statbuf struct. */
mo = va.va_mode & I_TYPE;
/* true iff special */
s = (mo == I_CHAR_SPECIAL || mo == I_BLOCK_SPECIAL);
statbuf->st_mode = va.va_mode;
statbuf->st_nlink = va.va_nlink;
statbuf->st_uid = va.va_uid;
statbuf->st_gid = va.va_gid;
statbuf->st_rdev = (s ? va.va_rdev : NO_DEV);
statbuf->st_size = va.va_size;
statbuf->st_atimespec = va.va_atime;
statbuf->st_mtimespec = va.va_mtime;
statbuf->st_ctimespec = va.va_ctime;
statbuf->st_birthtimespec = va.va_birthtime;
statbuf->st_blksize = va.va_blocksize;
statbuf->st_blocks = va.va_bytes / va.va_blocksize;
statbuf->st_flags = va.va_flags;
statbuf->st_gen = va.va_gen;
return(OK);
}
/*===========================================================================*
* fs_statvfs *
*===========================================================================*/
int fs_statvfs(struct statvfs *st)
{
if (global_pu->pu_ops.puffs_fs_statvfs(global_pu, st) != 0) {
lpuffs_debug("statvfs failed\n");
return(EINVAL);
}
/* libpuffs doesn't truncate filenames */
st->f_flag |= ST_NOTRUNC;
return(OK);
}