289b04677a
This obviates the need for several file system implementations to remember the device on which they are mounted. Change-Id: Ida8325cf4bcf072e61761cfee34e3f7ed2d750b9
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* Created (MFS based):
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* February 2010 (Evgeniy Ivanov)
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*/
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#include "fs.h"
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include "puffs.h"
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#include "puffs_priv.h"
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/*===========================================================================*
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* fs_stat *
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*===========================================================================*/
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int fs_stat(ino_t ino_nr, struct stat *statbuf)
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{
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register struct puffs_node *pn; /* target pnode */
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struct vattr va;
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mode_t mo;
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int s;
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PUFFS_MAKECRED(pcr, &global_kcred);
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if (global_pu->pu_ops.puffs_node_getattr == NULL) {
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lpuffs_debug("fs_stat: puffs_node_getattr is missing\n");
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return(EINVAL);
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}
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if ((pn = puffs_pn_nodewalk(global_pu, 0, &ino_nr)) == NULL) {
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lpuffs_debug("walk failed...\n");
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return(EINVAL);
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}
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if (global_pu->pu_ops.puffs_node_getattr(global_pu, pn, &va, pcr) != 0) {
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if (errno) {
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if (errno > 0) errno = -errno;
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return(errno);
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}
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return(EINVAL);
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}
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/* Fill in the statbuf struct. */
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mo = va.va_mode & I_TYPE;
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/* true iff special */
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s = (mo == I_CHAR_SPECIAL || mo == I_BLOCK_SPECIAL);
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statbuf->st_ino = va.va_fileid;
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statbuf->st_mode = va.va_mode;
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statbuf->st_nlink = va.va_nlink;
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statbuf->st_uid = va.va_uid;
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statbuf->st_gid = va.va_gid;
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statbuf->st_rdev = (s ? va.va_rdev : NO_DEV);
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statbuf->st_size = va.va_size;
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statbuf->st_atimespec = va.va_atime;
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statbuf->st_mtimespec = va.va_mtime;
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statbuf->st_ctimespec = va.va_ctime;
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statbuf->st_birthtimespec = va.va_birthtime;
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statbuf->st_blksize = va.va_blocksize;
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statbuf->st_blocks = va.va_bytes / va.va_blocksize;
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statbuf->st_flags = va.va_flags;
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statbuf->st_gen = va.va_gen;
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return(OK);
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}
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/*===========================================================================*
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* fs_statvfs *
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*===========================================================================*/
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int fs_statvfs(struct statvfs *st)
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{
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if (global_pu->pu_ops.puffs_fs_statvfs(global_pu, st) != 0) {
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lpuffs_debug("statvfs failed\n");
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return(EINVAL);
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}
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/* libpuffs doesn't truncate filenames */
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st->f_flag |= ST_NOTRUNC;
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return(OK);
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}
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