fs/9p/vfs_inode.c

28 #include "fid.h"
368 v9fs_fid_iget(struct super_block *sb, struct p9_fid *fid, bool new)
377 	inode = iget_locked(sb, QID2INO(&fid->qid));
388 			inode = iget_locked(sb, QID2INO(&fid->qid));
398 	st = p9_client_stat(fid);
405 	retval = v9fs_init_inode(v9ses, inode, &fid->qid, umode, rdev);
485 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", retval);
539 	struct p9_fid *dfid, *ofid = NULL, *fid = NULL;
548 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
552 	/* clone a fid to use for creation */
567 		/* now walk from the parent so we can get unopened fid */
568 		fid = p9_client_walk(dfid, 1, &name, 1);
569 		if (IS_ERR(fid)) {
570 			err = PTR_ERR(fid);
576 		 * instantiate inode and assign the unopened fid to the dentry
578 		inode = v9fs_get_inode_from_fid(v9ses, fid, dir->i_sb, true);
585 		v9fs_fid_add(dentry, &fid);
593 	p9_fid_put(fid);
616 	struct p9_fid *fid;
619 	fid = v9fs_create(v9ses, dir, dentry, NULL, perm, P9_ORDWR);
620 	if (IS_ERR(fid))
621 		return PTR_ERR(fid);
624 	p9_fid_put(fid);
643 	struct p9_fid *fid;
650 	fid = v9fs_create(v9ses, dir, dentry, NULL, perm, P9_OREAD);
651 	if (IS_ERR(fid)) {
652 		err = PTR_ERR(fid);
653 		fid = NULL;
659 	if (fid)
660 		p9_fid_put(fid);
678 	struct p9_fid *dfid, *fid;
700 	fid = p9_client_walk(dfid, 1, &name, 1);
702 	if (fid == ERR_PTR(-ENOENT))
704 	else if (IS_ERR(fid))
705 		inode = ERR_CAST(fid);
707 		inode = v9fs_get_inode_from_fid(v9ses, fid, dir->i_sb, false);
716 	if (!IS_ERR(fid)) {
718 			v9fs_fid_add(dentry, &fid);
720 			v9fs_fid_add(res, &fid);
722 			p9_fid_put(fid);
735 	struct p9_fid *fid;
762 	fid = v9fs_create(v9ses, dir, dentry, NULL, perm, p9_omode);
763 	if (IS_ERR(fid)) {
764 		err = PTR_ERR(fid);
775 	file->private_data = fid;
782 	v9fs_fid_add_modes(fid, v9ses->flags, v9ses->cache, file->f_flags);
783 	v9fs_open_fid_add(inode, &fid);
791 	p9_fid_put(fid);
945 	struct p9_fid *fid;
962 	fid = v9fs_fid_lookup(dentry);
963 	if (IS_ERR(fid))
964 		return PTR_ERR(fid);
966 	st = p9_client_stat(fid);
967 	p9_fid_put(fid);
993 	struct p9_fid *fid = NULL;
1003 		fid = iattr->ia_file->private_data;
1004 		WARN_ON(!fid);
1006 	if (!fid) {
1007 		fid = v9fs_fid_lookup(dentry);
1010 	if (IS_ERR(fid))
1011 		return PTR_ERR(fid);
1042 	retval = p9_client_wstat(fid, &wstat);
1045 		p9_fid_put(fid);
1139 	struct p9_fid *fid;
1151 	fid = v9fs_fid_lookup(dentry);
1153 	if (IS_ERR(fid))
1154 		return ERR_CAST(fid);
1156 	st = p9_client_stat(fid);
1157 	p9_fid_put(fid);
1189 	struct p9_fid *fid;
1198 	fid = v9fs_create(v9ses, dir, dentry, (char *) extension, perm,
1200 	if (IS_ERR(fid))
1201 		return PTR_ERR(fid);
1204 	p9_fid_put(fid);
1254 	sprintf(name, "%d\n", oldfid->fid);
1301 int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
1310 	st = p9_client_stat(fid);