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/* $OpenBSD: fuse_ops.c,v 1.26 2016/09/07 17:53:35 natano Exp $ */ |
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/* |
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* Copyright (c) 2013 Sylvestre Gallon <ccna.syl@gmail.com> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <errno.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include "fuse_private.h" |
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#include "debug.h" |
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#define CHECK_OPT(opname) DPRINTF("Opcode:\t%s\n", #opname); \ |
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DPRINTF("Inode:\t%llu\n", \ |
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(unsigned long long)fbuf->fb_ino); \ |
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if (!f->op.opname) { \ |
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fbuf->fb_err = -ENOSYS; \ |
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return (0); \ |
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} |
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static int |
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update_attr(struct fuse *f, struct stat *attr, const char *realname, |
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struct fuse_vnode *vn) |
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{ |
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int ret; |
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memset(attr, 0, sizeof(struct stat)); |
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ret = f->op.getattr(realname, attr); |
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if (attr->st_blksize == 0) |
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attr->st_blksize = 512; |
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if (attr->st_blocks == 0) |
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attr->st_blocks = 4; |
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attr->st_ino = vn->ino; |
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if (f->conf.set_mode) |
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attr->st_mode = (attr->st_mode & S_IFMT) | (0777 & ~f->conf.umask); |
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if (f->conf.set_uid) |
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attr->st_uid = f->conf.uid; |
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if (f->conf.set_gid) |
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attr->st_gid = f->conf.gid; |
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return (ret); |
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} |
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static int |
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ifuse_ops_init(struct fuse *f) |
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{ |
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struct fuse_conn_info fci; |
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DPRINTF("Opcode:\tinit\n"); |
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if (f->op.init) { |
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bzero(&fci, sizeof fci); |
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fci.proto_minor = FUSE_MINOR_VERSION; |
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fci.proto_major = FUSE_MAJOR_VERSION; |
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f->op.init(&fci); |
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} |
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return (0); |
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} |
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static int |
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ifuse_ops_getattr(struct fuse *f, struct fusebuf *fbuf) |
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{ |
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struct fuse_vnode *vn; |
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char *realname; |
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DPRINTF("Opcode:\tgetattr\n"); |
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DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
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memset(&fbuf->fb_attr, 0, sizeof(struct stat)); |
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vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
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if (vn == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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realname = build_realname(f, vn->ino); |
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if (realname == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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fbuf->fb_err = update_attr(f, &fbuf->fb_attr, realname, vn); |
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free(realname); |
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return (0); |
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} |
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static int |
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ifuse_ops_access(struct fuse *f, struct fusebuf *fbuf) |
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{ |
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struct fuse_vnode *vn; |
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char *realname; |
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CHECK_OPT(access); |
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vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
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if (vn == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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realname = build_realname(f, vn->ino); |
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if (realname == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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fbuf->fb_err = f->op.access(realname, fbuf->fb_io_mode); |
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free(realname); |
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return (0); |
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} |
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static int |
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ifuse_ops_open(struct fuse *f, struct fusebuf *fbuf) |
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{ |
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struct fuse_file_info ffi; |
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struct fuse_vnode *vn; |
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char *realname; |
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CHECK_OPT(open); |
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bzero(&ffi, sizeof(ffi)); |
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ffi.flags = fbuf->fb_io_flags; |
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vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
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if (vn == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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realname = build_realname(f, vn->ino); |
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if (realname == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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fbuf->fb_err = f->op.open(realname, &ffi); |
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free(realname); |
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160 |
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if (!fbuf->fb_err) |
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fbuf->fb_io_fd = ffi.fh; |
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return (0); |
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} |
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static int |
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ifuse_ops_opendir(struct fuse *f, struct fusebuf *fbuf) |
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{ |
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struct fuse_file_info ffi; |
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struct fuse_vnode *vn; |
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char *realname; |
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DPRINTF("Opcode:\topendir\n"); |
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DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
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memset(&ffi, 0, sizeof(ffi)); |
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ffi.flags = fbuf->fb_io_flags; |
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vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
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if (vn == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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185 |
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if (f->op.opendir) { |
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realname = build_realname(f, vn->ino); |
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if (realname == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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fbuf->fb_err = f->op.opendir(realname, &ffi); |
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free(realname); |
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} |
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196 |
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if (!fbuf->fb_err) { |
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fbuf->fb_io_fd = ffi.fh; |
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vn->fd = calloc(1, sizeof(*vn->fd)); |
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if (vn->fd == NULL) { |
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fbuf->fb_err = -errno; |
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return (0); |
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} |
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vn->fd->filled = 0; |
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vn->fd->size = 0; |
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vn->fd->start = 0; |
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} |
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return (0); |
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} |
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#define GENERIC_DIRSIZ(NLEN) \ |
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((sizeof (struct dirent) - (MAXNAMLEN+1)) + ((NLEN+1 + 7) &~ 7)) |
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static int |
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ifuse_fill_readdir(void *dh, const char *name, const struct stat *stbuf, |
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off_t off) |
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{ |
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struct fuse_dirhandle *fd = dh; |
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struct fusebuf *fbuf; |
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struct dirent *dir; |
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uint32_t namelen; |
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uint32_t len; |
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fbuf = fd->buf; |
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namelen = strnlen(name, MAXNAMLEN); |
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len = GENERIC_DIRSIZ(namelen); |
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if (fd->full || (fbuf->fb_len + len > fd->size)) { |
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fd->full = 1; |
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return (0); |
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} |
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if (fd->start != 0 && fd->idx < fd->start) { |
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fd->idx += len; |
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return (0); |
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} |
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dir = (struct dirent *) &fbuf->fb_dat[fbuf->fb_len]; |
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if (off) |
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fd->filled = 0; |
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if (stbuf) { |
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dir->d_fileno = stbuf->st_ino; |
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dir->d_type = IFTODT(stbuf->st_mode); |
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} else { |
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dir->d_fileno = 0xffffffff; |
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dir->d_type = DT_UNKNOWN; |
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} |
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dir->d_reclen = len; |
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dir->d_off = off + len; /* XXX */ |
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strlcpy(dir->d_name, name, sizeof(dir->d_name)); |
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dir->d_namlen = strlen(dir->d_name); |
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fbuf->fb_len += len; |
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fd->start += len; |
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fd->idx += len; |
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return (0); |
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} |
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static int |
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ifuse_fill_getdir(fuse_dirh_t fd, const char *name, int type, ino_t ino) |
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{ |
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struct stat st; |
268 |
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269 |
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bzero(&st, sizeof(st)); |
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st.st_mode = type << 12; |
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if (ino == 0) |
272 |
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st.st_ino = 0xffffffff; |
273 |
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else |
274 |
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st.st_ino = ino; |
275 |
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276 |
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return (fd->filler(fd, name, &st, 0)); |
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} |
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279 |
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static int |
280 |
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ifuse_ops_readdir(struct fuse *f, struct fusebuf *fbuf) |
281 |
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{ |
282 |
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struct fuse_file_info ffi; |
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struct fuse_vnode *vn; |
284 |
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char *realname; |
285 |
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uint64_t offset; |
286 |
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uint32_t size; |
287 |
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uint32_t startsave; |
288 |
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289 |
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DPRINTF("Opcode:\treaddir\n"); |
290 |
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DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
291 |
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DPRINTF("Offset:\t%llu\n", fbuf->fb_io_off); |
292 |
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DPRINTF("Size:\t%lu\n", fbuf->fb_io_len); |
293 |
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294 |
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bzero(&ffi, sizeof(ffi)); |
295 |
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ffi.fh = fbuf->fb_io_fd; |
296 |
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offset = fbuf->fb_io_off; |
297 |
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size = fbuf->fb_io_len; |
298 |
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startsave = 0; |
299 |
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300 |
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fbuf->fb_dat = calloc(1, size); |
301 |
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302 |
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if (fbuf->fb_dat == NULL) { |
303 |
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fbuf->fb_err = -errno; |
304 |
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return (0); |
305 |
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} |
306 |
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307 |
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vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
308 |
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if (vn == NULL) { |
309 |
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fbuf->fb_err = -errno; |
310 |
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free(fbuf->fb_dat); |
311 |
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return (0); |
312 |
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} |
313 |
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314 |
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if (!vn->fd->filled) { |
315 |
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vn->fd->filler = ifuse_fill_readdir; |
316 |
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vn->fd->buf = fbuf; |
317 |
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vn->fd->filled = 0; |
318 |
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vn->fd->full = 0; |
319 |
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vn->fd->size = size; |
320 |
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vn->fd->off = offset; |
321 |
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vn->fd->idx = 0; |
322 |
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startsave = vn->fd->start; |
323 |
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324 |
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realname = build_realname(f, vn->ino); |
325 |
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if (realname == NULL) { |
326 |
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fbuf->fb_err = -errno; |
327 |
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free(fbuf->fb_dat); |
328 |
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return (0); |
329 |
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} |
330 |
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331 |
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if (f->op.readdir) |
332 |
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fbuf->fb_err = f->op.readdir(realname, vn->fd, |
333 |
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ifuse_fill_readdir, offset, &ffi); |
334 |
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else if (f->op.getdir) |
335 |
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fbuf->fb_err = f->op.getdir(realname, vn->fd, |
336 |
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ifuse_fill_getdir); |
337 |
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else |
338 |
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fbuf->fb_err = -ENOSYS; |
339 |
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free(realname); |
340 |
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} |
341 |
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342 |
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if (!vn->fd->full && vn->fd->start == startsave) |
343 |
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vn->fd->filled = 1; |
344 |
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345 |
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if (fbuf->fb_err) { |
346 |
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fbuf->fb_len = 0; |
347 |
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vn->fd->filled = 1; |
348 |
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} |
349 |
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350 |
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if (fbuf->fb_len == 0) |
351 |
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free(fbuf->fb_dat); |
352 |
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353 |
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return (0); |
354 |
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} |
355 |
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356 |
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static int |
357 |
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ifuse_ops_releasedir(struct fuse *f, struct fusebuf *fbuf) |
358 |
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{ |
359 |
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struct fuse_file_info ffi; |
360 |
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struct fuse_vnode *vn; |
361 |
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char *realname; |
362 |
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363 |
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DPRINTF("Opcode:\treleasedir\n"); |
364 |
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DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
365 |
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366 |
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bzero(&ffi, sizeof(ffi)); |
367 |
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ffi.fh = fbuf->fb_io_fd; |
368 |
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ffi.fh_old = ffi.fh; |
369 |
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ffi.flags = fbuf->fb_io_flags; |
370 |
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371 |
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vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
372 |
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if (vn == NULL) { |
373 |
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fbuf->fb_err = -errno; |
374 |
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return (0); |
375 |
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} |
376 |
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377 |
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if (f->op.releasedir) { |
378 |
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realname = build_realname(f, vn->ino); |
379 |
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if (realname == NULL) { |
380 |
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fbuf->fb_err = -errno; |
381 |
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return (0); |
382 |
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} |
383 |
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384 |
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fbuf->fb_err = f->op.releasedir(realname, &ffi); |
385 |
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free(realname); |
386 |
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} |
387 |
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388 |
|
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if (!fbuf->fb_err) |
389 |
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free(vn->fd); |
390 |
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391 |
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return (0); |
392 |
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} |
393 |
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394 |
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static int |
395 |
|
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ifuse_ops_release(struct fuse *f, struct fusebuf *fbuf) |
396 |
|
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{ |
397 |
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struct fuse_file_info ffi; |
398 |
|
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struct fuse_vnode *vn; |
399 |
|
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char *realname; |
400 |
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|
401 |
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CHECK_OPT(release); |
402 |
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|
403 |
|
|
bzero(&ffi, sizeof(ffi)); |
404 |
|
|
ffi.fh = fbuf->fb_io_fd; |
405 |
|
|
ffi.fh_old = ffi.fh; |
406 |
|
|
ffi.flags = fbuf->fb_io_flags; |
407 |
|
|
|
408 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
409 |
|
|
if (vn == NULL) { |
410 |
|
|
fbuf->fb_err = -errno; |
411 |
|
|
return (0); |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
realname = build_realname(f, vn->ino); |
415 |
|
|
if (realname == NULL) { |
416 |
|
|
fbuf->fb_err = -errno; |
417 |
|
|
return (0); |
418 |
|
|
} |
419 |
|
|
fbuf->fb_err = f->op.release(realname, &ffi); |
420 |
|
|
free(realname); |
421 |
|
|
|
422 |
|
|
return (0); |
423 |
|
|
} |
424 |
|
|
|
425 |
|
|
static int |
426 |
|
|
ifuse_ops_lookup(struct fuse *f, struct fusebuf *fbuf) |
427 |
|
|
{ |
428 |
|
|
struct fuse_vnode *vn; |
429 |
|
|
char *realname; |
430 |
|
|
|
431 |
|
|
DPRINTF("Opcode:\tlookup\n"); |
432 |
|
|
DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
433 |
|
|
DPRINTF("For file %s\n", fbuf->fb_dat); |
434 |
|
|
|
435 |
|
|
if (strcmp((const char *)fbuf->fb_dat, "..") == 0) { |
436 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
437 |
|
|
if (vn == NULL || vn->parent == NULL) { |
438 |
|
|
fbuf->fb_err = -ENOENT; |
439 |
|
|
return (0); |
440 |
|
|
} |
441 |
|
|
vn = vn->parent; |
442 |
|
|
if (vn->ino != FUSE_ROOT_INO) |
443 |
|
|
ref_vn(vn); |
444 |
|
|
} else { |
445 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
446 |
|
|
if (vn == NULL) { |
447 |
|
|
vn = alloc_vn(f, (const char *)fbuf->fb_dat, -1, |
448 |
|
|
fbuf->fb_ino); |
449 |
|
|
if (vn == NULL) { |
450 |
|
|
fbuf->fb_err = -errno; |
451 |
|
|
free(fbuf->fb_dat); |
452 |
|
|
return (0); |
453 |
|
|
} |
454 |
|
|
set_vn(f, vn); /*XXX*/ |
455 |
|
|
} else if (vn->ino != FUSE_ROOT_INO) |
456 |
|
|
ref_vn(vn); |
457 |
|
|
} |
458 |
|
|
|
459 |
|
|
DPRINTF("new ino %llu\n", (unsigned long long)vn->ino); |
460 |
|
|
realname = build_realname(f, vn->ino); |
461 |
|
|
if (realname == NULL) { |
462 |
|
|
fbuf->fb_err = -errno; |
463 |
|
|
free(fbuf->fb_dat); |
464 |
|
|
return (0); |
465 |
|
|
} |
466 |
|
|
|
467 |
|
|
fbuf->fb_err = update_attr(f, &fbuf->fb_attr, realname, vn); |
468 |
|
|
free(fbuf->fb_dat); |
469 |
|
|
free(realname); |
470 |
|
|
|
471 |
|
|
return (0); |
472 |
|
|
} |
473 |
|
|
|
474 |
|
|
static int |
475 |
|
|
ifuse_ops_read(struct fuse *f, struct fusebuf *fbuf) |
476 |
|
|
{ |
477 |
|
|
struct fuse_file_info ffi; |
478 |
|
|
struct fuse_vnode *vn; |
479 |
|
|
char *realname; |
480 |
|
|
uint64_t offset; |
481 |
|
|
uint32_t size; |
482 |
|
|
int ret; |
483 |
|
|
|
484 |
|
|
CHECK_OPT(read); |
485 |
|
|
|
486 |
|
|
bzero(&ffi, sizeof(ffi)); |
487 |
|
|
ffi.fh = fbuf->fb_io_fd; |
488 |
|
|
size = fbuf->fb_io_len; |
489 |
|
|
offset = fbuf->fb_io_off; |
490 |
|
|
|
491 |
|
|
fbuf->fb_dat = malloc(size); |
492 |
|
|
if (fbuf->fb_dat == NULL) { |
493 |
|
|
fbuf->fb_err = -errno; |
494 |
|
|
return (0); |
495 |
|
|
} |
496 |
|
|
|
497 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
498 |
|
|
if (vn == NULL) { |
499 |
|
|
fbuf->fb_err = -errno; |
500 |
|
|
free(fbuf->fb_dat); |
501 |
|
|
return (0); |
502 |
|
|
} |
503 |
|
|
|
504 |
|
|
realname = build_realname(f, vn->ino); |
505 |
|
|
if (realname == NULL) { |
506 |
|
|
fbuf->fb_err = -errno; |
507 |
|
|
free(fbuf->fb_dat); |
508 |
|
|
return (0); |
509 |
|
|
} |
510 |
|
|
|
511 |
|
|
ret = f->op.read(realname, (char *)fbuf->fb_dat, size, offset, &ffi); |
512 |
|
|
free(realname); |
513 |
|
|
if (ret >= 0) |
514 |
|
|
fbuf->fb_len = ret; |
515 |
|
|
else |
516 |
|
|
fbuf->fb_err = ret; |
517 |
|
|
|
518 |
|
|
if (fbuf->fb_len == 0) |
519 |
|
|
free(fbuf->fb_dat); |
520 |
|
|
|
521 |
|
|
return (0); |
522 |
|
|
} |
523 |
|
|
|
524 |
|
|
static int |
525 |
|
|
ifuse_ops_write(struct fuse *f, struct fusebuf *fbuf) |
526 |
|
|
{ |
527 |
|
|
struct fuse_file_info ffi; |
528 |
|
|
struct fuse_vnode *vn; |
529 |
|
|
char *realname; |
530 |
|
|
uint64_t offset; |
531 |
|
|
uint32_t size; |
532 |
|
|
int ret; |
533 |
|
|
|
534 |
|
|
CHECK_OPT(write); |
535 |
|
|
|
536 |
|
|
bzero(&ffi, sizeof(ffi)); |
537 |
|
|
ffi.fh = fbuf->fb_io_fd; |
538 |
|
|
ffi.fh_old = ffi.fh; |
539 |
|
|
ffi.writepage = fbuf->fb_io_flags & 1; |
540 |
|
|
size = fbuf->fb_io_len; |
541 |
|
|
offset = fbuf->fb_io_off; |
542 |
|
|
|
543 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
544 |
|
|
if (vn == NULL) { |
545 |
|
|
fbuf->fb_err = -errno; |
546 |
|
|
free(fbuf->fb_dat); |
547 |
|
|
return (0); |
548 |
|
|
} |
549 |
|
|
|
550 |
|
|
realname = build_realname(f, vn->ino); |
551 |
|
|
if (realname == NULL) { |
552 |
|
|
fbuf->fb_err = -errno; |
553 |
|
|
free(fbuf->fb_dat); |
554 |
|
|
return (0); |
555 |
|
|
} |
556 |
|
|
|
557 |
|
|
ret = f->op.write(realname, (char *)fbuf->fb_dat, size, offset, &ffi); |
558 |
|
|
free(realname); |
559 |
|
|
free(fbuf->fb_dat); |
560 |
|
|
|
561 |
|
|
if (ret >= 0) |
562 |
|
|
fbuf->fb_io_len = ret; |
563 |
|
|
else |
564 |
|
|
fbuf->fb_err = ret; |
565 |
|
|
|
566 |
|
|
return (0); |
567 |
|
|
} |
568 |
|
|
|
569 |
|
|
static int |
570 |
|
|
ifuse_ops_create(struct fuse *f, struct fusebuf *fbuf) |
571 |
|
|
{ |
572 |
|
|
struct fuse_file_info ffi; |
573 |
|
|
struct fuse_vnode *vn; |
574 |
|
|
uint32_t mode; |
575 |
|
|
|
576 |
|
|
char *realname; |
577 |
|
|
|
578 |
|
|
DPRINTF("Opcode:\tcreate\n"); |
579 |
|
|
DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
580 |
|
|
|
581 |
|
|
bzero(&ffi, sizeof(ffi)); |
582 |
|
|
ffi.flags = fbuf->fb_io_flags; |
583 |
|
|
mode = fbuf->fb_io_mode; |
584 |
|
|
|
585 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
586 |
|
|
if (vn == NULL) { |
587 |
|
|
fbuf->fb_err = -errno; |
588 |
|
|
free(fbuf->fb_dat); |
589 |
|
|
return (0); |
590 |
|
|
} |
591 |
|
|
|
592 |
|
|
free(fbuf->fb_dat); |
593 |
|
|
realname = build_realname(f, vn->ino); |
594 |
|
|
if (realname == NULL) { |
595 |
|
|
fbuf->fb_err = -errno; |
596 |
|
|
return (0); |
597 |
|
|
} |
598 |
|
|
|
599 |
|
|
if (f->op.create) |
600 |
|
|
fbuf->fb_err = f->op.create(realname, mode, &ffi); |
601 |
|
|
else if (f->op.mknod) |
602 |
|
|
fbuf->fb_err = f->op.mknod(realname, S_IFREG | mode, 0); |
603 |
|
|
else |
604 |
|
|
fbuf->fb_err = -ENOSYS; |
605 |
|
|
|
606 |
|
|
if (!fbuf->fb_err) { |
607 |
|
|
fbuf->fb_err = update_attr(f, &fbuf->fb_attr, realname, vn); |
608 |
|
|
fbuf->fb_ino = fbuf->fb_attr.st_ino; |
609 |
|
|
fbuf->fb_io_mode = fbuf->fb_attr.st_mode; |
610 |
|
|
} |
611 |
|
|
free(realname); |
612 |
|
|
|
613 |
|
|
return (0); |
614 |
|
|
} |
615 |
|
|
|
616 |
|
|
static int |
617 |
|
|
ifuse_ops_mkdir(struct fuse *f, struct fusebuf *fbuf) |
618 |
|
|
{ |
619 |
|
|
struct fuse_vnode *vn; |
620 |
|
|
char *realname; |
621 |
|
|
uint32_t mode; |
622 |
|
|
|
623 |
|
|
CHECK_OPT(mkdir); |
624 |
|
|
|
625 |
|
|
mode = fbuf->fb_io_mode; |
626 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
627 |
|
|
if (vn == NULL) { |
628 |
|
|
fbuf->fb_err = -errno; |
629 |
|
|
free(fbuf->fb_dat); |
630 |
|
|
return (0); |
631 |
|
|
} |
632 |
|
|
|
633 |
|
|
free(fbuf->fb_dat); |
634 |
|
|
realname = build_realname(f, vn->ino); |
635 |
|
|
if (realname == NULL) { |
636 |
|
|
fbuf->fb_err = -errno; |
637 |
|
|
return (0); |
638 |
|
|
} |
639 |
|
|
|
640 |
|
|
fbuf->fb_err = f->op.mkdir(realname, mode); |
641 |
|
|
|
642 |
|
|
if (!fbuf->fb_err) { |
643 |
|
|
fbuf->fb_err = update_attr(f, &fbuf->fb_attr, realname, vn); |
644 |
|
|
fbuf->fb_io_mode = fbuf->fb_attr.st_mode; |
645 |
|
|
fbuf->fb_ino = vn->ino; |
646 |
|
|
} |
647 |
|
|
free(realname); |
648 |
|
|
|
649 |
|
|
return (0); |
650 |
|
|
} |
651 |
|
|
|
652 |
|
|
static int |
653 |
|
|
ifuse_ops_rmdir(struct fuse *f, struct fusebuf *fbuf) |
654 |
|
|
{ |
655 |
|
|
struct fuse_vnode *vn; |
656 |
|
|
char *realname; |
657 |
|
|
|
658 |
|
|
CHECK_OPT(rmdir); |
659 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
660 |
|
|
if (vn == NULL) { |
661 |
|
|
fbuf->fb_err = -errno; |
662 |
|
|
free(fbuf->fb_dat); |
663 |
|
|
return (0); |
664 |
|
|
} |
665 |
|
|
|
666 |
|
|
free(fbuf->fb_dat); |
667 |
|
|
realname = build_realname(f, vn->ino); |
668 |
|
|
if (realname == NULL) { |
669 |
|
|
fbuf->fb_err = -errno; |
670 |
|
|
return (0); |
671 |
|
|
} |
672 |
|
|
|
673 |
|
|
fbuf->fb_err = f->op.rmdir(realname); |
674 |
|
|
free(realname); |
675 |
|
|
|
676 |
|
|
return (0); |
677 |
|
|
} |
678 |
|
|
|
679 |
|
|
static int |
680 |
|
|
ifuse_ops_readlink(struct fuse *f, struct fusebuf *fbuf) |
681 |
|
|
{ |
682 |
|
|
struct fuse_vnode *vn; |
683 |
|
|
char *realname; |
684 |
|
|
char name[PATH_MAX + 1]; |
685 |
|
|
int len, ret; |
686 |
|
|
|
687 |
|
|
DPRINTF("Opcode:\treadlink\n"); |
688 |
|
|
DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
689 |
|
|
|
690 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
691 |
|
|
if (vn == NULL) { |
692 |
|
|
fbuf->fb_err = -errno; |
693 |
|
|
return (0); |
694 |
|
|
} |
695 |
|
|
|
696 |
|
|
realname = build_realname(f, vn->ino); |
697 |
|
|
if (realname == NULL) { |
698 |
|
|
fbuf->fb_err = -errno; |
699 |
|
|
return (0); |
700 |
|
|
} |
701 |
|
|
|
702 |
|
|
if (f->op.readlink) |
703 |
|
|
ret = f->op.readlink(realname, name, sizeof(name)); |
704 |
|
|
else |
705 |
|
|
ret = -ENOSYS; |
706 |
|
|
free(realname); |
707 |
|
|
|
708 |
|
|
fbuf->fb_err = ret; |
709 |
|
|
if (!ret) { |
710 |
|
|
len = strnlen(name, PATH_MAX); |
711 |
|
|
fbuf->fb_len = len; |
712 |
|
|
fbuf->fb_dat = malloc(fbuf->fb_len); |
713 |
|
|
if (fbuf->fb_dat == NULL) { |
714 |
|
|
fbuf->fb_err = -errno; |
715 |
|
|
return (0); |
716 |
|
|
} |
717 |
|
|
memcpy(fbuf->fb_dat, name, len); |
718 |
|
|
} else |
719 |
|
|
fbuf->fb_len = 0; |
720 |
|
|
|
721 |
|
|
return (0); |
722 |
|
|
} |
723 |
|
|
|
724 |
|
|
static int |
725 |
|
|
ifuse_ops_unlink(struct fuse *f, struct fusebuf *fbuf) |
726 |
|
|
{ |
727 |
|
|
struct fuse_vnode *vn; |
728 |
|
|
char *realname; |
729 |
|
|
|
730 |
|
|
CHECK_OPT(unlink); |
731 |
|
|
|
732 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
733 |
|
|
if (vn == NULL) { |
734 |
|
|
free(fbuf->fb_dat); |
735 |
|
|
fbuf->fb_err = -errno; |
736 |
|
|
return (0); |
737 |
|
|
} |
738 |
|
|
|
739 |
|
|
free(fbuf->fb_dat); |
740 |
|
|
realname = build_realname(f, vn->ino); |
741 |
|
|
if (realname == NULL) { |
742 |
|
|
fbuf->fb_err = -errno; |
743 |
|
|
return (0); |
744 |
|
|
} |
745 |
|
|
|
746 |
|
|
fbuf->fb_err = f->op.unlink(realname); |
747 |
|
|
free(realname); |
748 |
|
|
|
749 |
|
|
return (0); |
750 |
|
|
} |
751 |
|
|
|
752 |
|
|
static int |
753 |
|
|
ifuse_ops_statfs(struct fuse *f, struct fusebuf *fbuf) |
754 |
|
|
{ |
755 |
|
|
struct fuse_vnode *vn; |
756 |
|
|
char *realname; |
757 |
|
|
|
758 |
|
|
bzero(&fbuf->fb_stat, sizeof(fbuf->fb_stat)); |
759 |
|
|
|
760 |
|
|
CHECK_OPT(statfs); |
761 |
|
|
|
762 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
763 |
|
|
if (vn == NULL) { |
764 |
|
|
fbuf->fb_err = -errno; |
765 |
|
|
return (0); |
766 |
|
|
} |
767 |
|
|
|
768 |
|
|
realname = build_realname(f, vn->ino); |
769 |
|
|
if (realname == NULL) { |
770 |
|
|
fbuf->fb_err = -errno; |
771 |
|
|
return (0); |
772 |
|
|
} |
773 |
|
|
|
774 |
|
|
fbuf->fb_err = f->op.statfs(realname, &fbuf->fb_stat); |
775 |
|
|
free(realname); |
776 |
|
|
|
777 |
|
|
return (0); |
778 |
|
|
} |
779 |
|
|
|
780 |
|
|
static int |
781 |
|
|
ifuse_ops_link(struct fuse *f, struct fusebuf *fbuf) |
782 |
|
|
{ |
783 |
|
|
struct fuse_vnode *vn; |
784 |
|
|
char *realname; |
785 |
|
|
char *realname_ln; |
786 |
|
|
ino_t oldnodeid; |
787 |
|
|
|
788 |
|
|
CHECK_OPT(link); |
789 |
|
|
oldnodeid = fbuf->fb_io_ino; |
790 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
791 |
|
|
if (vn == NULL) { |
792 |
|
|
fbuf->fb_err = -errno; |
793 |
|
|
free(fbuf->fb_dat); |
794 |
|
|
return (0); |
795 |
|
|
} |
796 |
|
|
|
797 |
|
|
free(fbuf->fb_dat); |
798 |
|
|
realname = build_realname(f, oldnodeid); |
799 |
|
|
if (realname == NULL) { |
800 |
|
|
fbuf->fb_err = -errno; |
801 |
|
|
return (0); |
802 |
|
|
} |
803 |
|
|
|
804 |
|
|
realname_ln = build_realname(f, vn->ino); |
805 |
|
|
if (realname_ln == NULL) { |
806 |
|
|
fbuf->fb_err = -errno; |
807 |
|
|
free(realname); |
808 |
|
|
return (0); |
809 |
|
|
} |
810 |
|
|
|
811 |
|
|
fbuf->fb_err = f->op.link(realname, realname_ln); |
812 |
|
|
free(realname); |
813 |
|
|
free(realname_ln); |
814 |
|
|
|
815 |
|
|
return (0); |
816 |
|
|
} |
817 |
|
|
|
818 |
|
|
static int |
819 |
|
|
ifuse_ops_setattr(struct fuse *f, struct fusebuf *fbuf) |
820 |
|
|
{ |
821 |
|
|
struct fuse_vnode *vn; |
822 |
|
|
struct timespec ts[2]; |
823 |
|
|
struct utimbuf tbuf; |
824 |
|
|
struct fb_io *io; |
825 |
|
|
char *realname; |
826 |
|
|
uid_t uid; |
827 |
|
|
gid_t gid; |
828 |
|
|
|
829 |
|
|
DPRINTF("Opcode:\tsetattr\n"); |
830 |
|
|
DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
831 |
|
|
|
832 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
833 |
|
|
if (vn == NULL) { |
834 |
|
|
fbuf->fb_err = -errno; |
835 |
|
|
free(fbuf->fb_dat); |
836 |
|
|
return (0); |
837 |
|
|
} |
838 |
|
|
|
839 |
|
|
realname = build_realname(f, vn->ino); |
840 |
|
|
if (realname == NULL) { |
841 |
|
|
fbuf->fb_err = -errno; |
842 |
|
|
free(fbuf->fb_dat); |
843 |
|
|
return (0); |
844 |
|
|
} |
845 |
|
|
io = fbtod(fbuf, struct fb_io *); |
846 |
|
|
|
847 |
|
|
if (io->fi_flags & FUSE_FATTR_MODE) { |
848 |
|
|
if (f->op.chmod) |
849 |
|
|
fbuf->fb_err = f->op.chmod(realname, |
850 |
|
|
fbuf->fb_attr.st_mode); |
851 |
|
|
else |
852 |
|
|
fbuf->fb_err = -ENOSYS; |
853 |
|
|
} |
854 |
|
|
|
855 |
|
|
if (!fbuf->fb_err && (io->fi_flags & FUSE_FATTR_UID || |
856 |
|
|
io->fi_flags & FUSE_FATTR_GID) ) { |
857 |
|
|
uid = (io->fi_flags & FUSE_FATTR_UID) ? |
858 |
|
|
fbuf->fb_attr.st_uid : (gid_t)-1; |
859 |
|
|
gid = (io->fi_flags & FUSE_FATTR_GID) ? |
860 |
|
|
fbuf->fb_attr.st_gid : (uid_t)-1; |
861 |
|
|
if (f->op.chown) |
862 |
|
|
fbuf->fb_err = f->op.chown(realname, uid, gid); |
863 |
|
|
else |
864 |
|
|
fbuf->fb_err = -ENOSYS; |
865 |
|
|
} |
866 |
|
|
|
867 |
|
|
if (!fbuf->fb_err && ( io->fi_flags & FUSE_FATTR_MTIME || |
868 |
|
|
io->fi_flags & FUSE_FATTR_ATIME)) { |
869 |
|
|
ts[0] = fbuf->fb_attr.st_atim; |
870 |
|
|
ts[1] = fbuf->fb_attr.st_mtim; |
871 |
|
|
tbuf.actime = ts[0].tv_sec; |
872 |
|
|
tbuf.modtime = ts[1].tv_sec; |
873 |
|
|
|
874 |
|
|
if (f->op.utimens) |
875 |
|
|
fbuf->fb_err = f->op.utimens(realname, ts); |
876 |
|
|
else if (f->op.utime) |
877 |
|
|
fbuf->fb_err = f->op.utime(realname, &tbuf); |
878 |
|
|
else |
879 |
|
|
fbuf->fb_err = -ENOSYS; |
880 |
|
|
} |
881 |
|
|
|
882 |
|
|
if (!fbuf->fb_err && (io->fi_flags & FUSE_FATTR_SIZE)) { |
883 |
|
|
if (f->op.truncate) |
884 |
|
|
fbuf->fb_err = f->op.truncate(realname, |
885 |
|
|
fbuf->fb_attr.st_size); |
886 |
|
|
else |
887 |
|
|
fbuf->fb_err = -ENOSYS; |
888 |
|
|
} |
889 |
|
|
|
890 |
|
|
memset(&fbuf->fb_attr, 0, sizeof(struct stat)); |
891 |
|
|
|
892 |
|
|
if (!fbuf->fb_err) |
893 |
|
|
fbuf->fb_err = update_attr(f, &fbuf->fb_attr, realname, vn); |
894 |
|
|
free(realname); |
895 |
|
|
free(fbuf->fb_dat); |
896 |
|
|
|
897 |
|
|
return (0); |
898 |
|
|
} |
899 |
|
|
|
900 |
|
|
static int |
901 |
|
|
ifuse_ops_symlink(unused struct fuse *f, struct fusebuf *fbuf) |
902 |
|
|
{ |
903 |
|
|
struct fuse_vnode *vn; |
904 |
|
|
char *realname; |
905 |
|
|
int len; |
906 |
|
|
|
907 |
|
|
CHECK_OPT(symlink); |
908 |
|
|
|
909 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
910 |
|
|
if (vn == NULL) { |
911 |
|
|
fbuf->fb_err = -errno; |
912 |
|
|
free(fbuf->fb_dat); |
913 |
|
|
return (0); |
914 |
|
|
} |
915 |
|
|
|
916 |
|
|
len = strlen((char *)fbuf->fb_dat); |
917 |
|
|
|
918 |
|
|
realname = build_realname(f, vn->ino); |
919 |
|
|
if (realname == NULL) { |
920 |
|
|
fbuf->fb_err = -errno; |
921 |
|
|
free(fbuf->fb_dat); |
922 |
|
|
return (0); |
923 |
|
|
} |
924 |
|
|
|
925 |
|
|
/* fuse invert the symlink params */ |
926 |
|
|
fbuf->fb_err = f->op.symlink((const char *)&fbuf->fb_dat[len + 1], |
927 |
|
|
realname); |
928 |
|
|
fbuf->fb_ino = vn->ino; |
929 |
|
|
free(fbuf->fb_dat); |
930 |
|
|
free(realname); |
931 |
|
|
|
932 |
|
|
return (0); |
933 |
|
|
} |
934 |
|
|
|
935 |
|
|
static int |
936 |
|
|
ifuse_ops_rename(struct fuse *f, struct fusebuf *fbuf) |
937 |
|
|
{ |
938 |
|
|
struct fuse_vnode *vnt; |
939 |
|
|
struct fuse_vnode *vnf; |
940 |
|
|
char *realnamef; |
941 |
|
|
char *realnamet; |
942 |
|
|
int len; |
943 |
|
|
|
944 |
|
|
CHECK_OPT(rename); |
945 |
|
|
|
946 |
|
|
len = strlen((char *)fbuf->fb_dat); |
947 |
|
|
vnf = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
948 |
|
|
if (vnf == NULL) { |
949 |
|
|
fbuf->fb_err = -errno; |
950 |
|
|
free(fbuf->fb_dat); |
951 |
|
|
return (0); |
952 |
|
|
} |
953 |
|
|
|
954 |
|
|
vnt = get_vn_by_name_and_parent(f, &fbuf->fb_dat[len + 1], |
955 |
|
|
fbuf->fb_io_ino); |
956 |
|
|
if (vnt == NULL) { |
957 |
|
|
fbuf->fb_err = -errno; |
958 |
|
|
free(fbuf->fb_dat); |
959 |
|
|
return (0); |
960 |
|
|
} |
961 |
|
|
|
962 |
|
|
free(fbuf->fb_dat); |
963 |
|
|
|
964 |
|
|
realnamef = build_realname(f, vnf->ino); |
965 |
|
|
if (realnamef == NULL) { |
966 |
|
|
fbuf->fb_err = -errno; |
967 |
|
|
return (0); |
968 |
|
|
} |
969 |
|
|
|
970 |
|
|
realnamet = build_realname(f, vnt->ino); |
971 |
|
|
if (realnamet == NULL) { |
972 |
|
|
fbuf->fb_err = -errno; |
973 |
|
|
free(realnamef); |
974 |
|
|
return (0); |
975 |
|
|
} |
976 |
|
|
|
977 |
|
|
fbuf->fb_err = f->op.rename(realnamef, realnamet); |
978 |
|
|
free(realnamef); |
979 |
|
|
free(realnamet); |
980 |
|
|
|
981 |
|
|
return (0); |
982 |
|
|
} |
983 |
|
|
|
984 |
|
|
static int |
985 |
|
|
ifuse_ops_destroy(struct fuse *f) |
986 |
|
|
{ |
987 |
|
|
struct fuse_context *ctx; |
988 |
|
|
|
989 |
|
|
DPRINTF("Opcode:\tdestroy\n"); |
990 |
|
|
|
991 |
|
|
if (f->op.destroy) { |
992 |
|
|
ctx = fuse_get_context(); |
993 |
|
|
|
994 |
|
|
f->op.destroy((ctx)?ctx->private_data:NULL); |
995 |
|
|
} |
996 |
|
|
|
997 |
|
|
f->fc->dead = 1; |
998 |
|
|
|
999 |
|
|
return (0); |
1000 |
|
|
} |
1001 |
|
|
|
1002 |
|
|
static int |
1003 |
|
|
ifuse_ops_reclaim(struct fuse *f, struct fusebuf *fbuf) |
1004 |
|
|
{ |
1005 |
|
|
struct fuse_vnode *vn; |
1006 |
|
|
|
1007 |
|
|
vn = tree_get(&f->vnode_tree, fbuf->fb_ino); |
1008 |
|
|
if (vn != NULL) |
1009 |
|
|
unref_vn(f, vn); |
1010 |
|
|
|
1011 |
|
|
return (0); |
1012 |
|
|
} |
1013 |
|
|
|
1014 |
|
|
static int |
1015 |
|
|
ifuse_ops_mknod(struct fuse *f, struct fusebuf *fbuf) |
1016 |
|
|
{ |
1017 |
|
|
struct fuse_vnode *vn; |
1018 |
|
|
char *realname; |
1019 |
|
|
uint32_t mode; |
1020 |
|
|
dev_t dev; |
1021 |
|
|
|
1022 |
|
|
CHECK_OPT(mknod); |
1023 |
|
|
|
1024 |
|
|
mode = fbuf->fb_io_mode; |
1025 |
|
|
dev = fbuf->fb_io_rdev; |
1026 |
|
|
vn = get_vn_by_name_and_parent(f, fbuf->fb_dat, fbuf->fb_ino); |
1027 |
|
|
if (vn == NULL) { |
1028 |
|
|
fbuf->fb_err = -errno; |
1029 |
|
|
free(fbuf->fb_dat); |
1030 |
|
|
return (0); |
1031 |
|
|
} |
1032 |
|
|
|
1033 |
|
|
free(fbuf->fb_dat); |
1034 |
|
|
realname = build_realname(f, vn->ino); |
1035 |
|
|
if (realname == NULL) { |
1036 |
|
|
fbuf->fb_err = -errno; |
1037 |
|
|
return (0); |
1038 |
|
|
} |
1039 |
|
|
|
1040 |
|
|
fbuf->fb_err = f->op.mknod(realname, mode, dev); |
1041 |
|
|
|
1042 |
|
|
if (!fbuf->fb_err) { |
1043 |
|
|
fbuf->fb_err = update_attr(f, &fbuf->fb_attr, realname, vn); |
1044 |
|
|
fbuf->fb_io_mode = fbuf->fb_attr.st_mode; |
1045 |
|
|
fbuf->fb_ino = fbuf->fb_attr.st_ino; |
1046 |
|
|
} |
1047 |
|
|
free(realname); |
1048 |
|
|
|
1049 |
|
|
return (0); |
1050 |
|
|
} |
1051 |
|
|
|
1052 |
|
|
int |
1053 |
|
|
ifuse_exec_opcode(struct fuse *f, struct fusebuf *fbuf) |
1054 |
|
|
{ |
1055 |
|
|
int ret = 0; |
1056 |
|
|
|
1057 |
|
|
fbuf->fb_len = 0; |
1058 |
|
|
fbuf->fb_err = 0; |
1059 |
|
|
|
1060 |
|
|
switch (fbuf->fb_type) { |
1061 |
|
|
case FBT_LOOKUP: |
1062 |
|
|
ret = ifuse_ops_lookup(f, fbuf); |
1063 |
|
|
break; |
1064 |
|
|
case FBT_GETATTR: |
1065 |
|
|
ret = ifuse_ops_getattr(f, fbuf); |
1066 |
|
|
break; |
1067 |
|
|
case FBT_SETATTR: |
1068 |
|
|
ret = ifuse_ops_setattr(f, fbuf); |
1069 |
|
|
break; |
1070 |
|
|
case FBT_READLINK: |
1071 |
|
|
ret = ifuse_ops_readlink(f, fbuf); |
1072 |
|
|
break; |
1073 |
|
|
case FBT_MKDIR: |
1074 |
|
|
ret = ifuse_ops_mkdir(f, fbuf); |
1075 |
|
|
break; |
1076 |
|
|
case FBT_UNLINK: |
1077 |
|
|
ret = ifuse_ops_unlink(f, fbuf); |
1078 |
|
|
break; |
1079 |
|
|
case FBT_RMDIR: |
1080 |
|
|
ret = ifuse_ops_rmdir(f, fbuf); |
1081 |
|
|
break; |
1082 |
|
|
case FBT_LINK: |
1083 |
|
|
ret = ifuse_ops_link(f, fbuf); |
1084 |
|
|
break; |
1085 |
|
|
case FBT_OPEN: |
1086 |
|
|
ret = ifuse_ops_open(f, fbuf); |
1087 |
|
|
break; |
1088 |
|
|
case FBT_READ: |
1089 |
|
|
ret = ifuse_ops_read(f, fbuf); |
1090 |
|
|
break; |
1091 |
|
|
case FBT_WRITE: |
1092 |
|
|
ret = ifuse_ops_write(f, fbuf); |
1093 |
|
|
break; |
1094 |
|
|
case FBT_STATFS: |
1095 |
|
|
ret = ifuse_ops_statfs(f, fbuf); |
1096 |
|
|
break; |
1097 |
|
|
case FBT_RELEASE: |
1098 |
|
|
ret = ifuse_ops_release(f, fbuf); |
1099 |
|
|
break; |
1100 |
|
|
case FBT_INIT: |
1101 |
|
|
ret = ifuse_ops_init(f); |
1102 |
|
|
break; |
1103 |
|
|
case FBT_OPENDIR: |
1104 |
|
|
ret = ifuse_ops_opendir(f, fbuf); |
1105 |
|
|
break; |
1106 |
|
|
case FBT_READDIR: |
1107 |
|
|
ret = ifuse_ops_readdir(f, fbuf); |
1108 |
|
|
break; |
1109 |
|
|
case FBT_RELEASEDIR: |
1110 |
|
|
ret = ifuse_ops_releasedir(f, fbuf); |
1111 |
|
|
break; |
1112 |
|
|
case FBT_ACCESS: |
1113 |
|
|
ret = ifuse_ops_access(f, fbuf); |
1114 |
|
|
break; |
1115 |
|
|
case FBT_CREATE: |
1116 |
|
|
ret = ifuse_ops_create(f, fbuf); |
1117 |
|
|
break; |
1118 |
|
|
case FBT_SYMLINK: |
1119 |
|
|
ret = ifuse_ops_symlink(f, fbuf); |
1120 |
|
|
break; |
1121 |
|
|
case FBT_RENAME: |
1122 |
|
|
ret = ifuse_ops_rename(f, fbuf); |
1123 |
|
|
break; |
1124 |
|
|
case FBT_DESTROY: |
1125 |
|
|
ret = ifuse_ops_destroy(f); |
1126 |
|
|
break; |
1127 |
|
|
case FBT_RECLAIM: |
1128 |
|
|
ret = ifuse_ops_reclaim(f, fbuf); |
1129 |
|
|
break; |
1130 |
|
|
case FBT_MKNOD: |
1131 |
|
|
ret = ifuse_ops_mknod(f, fbuf); |
1132 |
|
|
break; |
1133 |
|
|
default: |
1134 |
|
|
DPRINTF("Opcode:\t%i not supported\n", fbuf->fb_type); |
1135 |
|
|
DPRINTF("Inode:\t%llu\n", (unsigned long long)fbuf->fb_ino); |
1136 |
|
|
|
1137 |
|
|
fbuf->fb_err = -ENOSYS; |
1138 |
|
|
fbuf->fb_len = 0; |
1139 |
|
|
} |
1140 |
|
|
DPRINTF("\n"); |
1141 |
|
|
|
1142 |
|
|
/* fuse api use negative errno */ |
1143 |
|
|
fbuf->fb_err = -fbuf->fb_err; |
1144 |
|
|
return (ret); |
1145 |
|
|
} |