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rst: Rework remaps collection on generic collect routine

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Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov 2013-08-20 03:24:51 +04:00
parent 0543f49c3e
commit e03ab6b409
1 changed files with 21 additions and 35 deletions
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56
files-reg.c
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@ -165,45 +165,30 @@ static int open_remap_linked(struct reg_file_info *rfi,
return 0;
}
static int collect_remaps(void)
static int collect_one_remap(void *obj, ProtobufCMessage *msg)
{
int fd, ret = 0;
int ret = -1;
RemapFilePathEntry *rfe;
struct file_desc *fdesc;
struct reg_file_info *rfi;
fd = open_image(CR_FD_REMAP_FPATH, O_RSTR);
if (fd < 0)
return -1;
rfe = pb_msg(msg, RemapFilePathEntry);
while (1) {
RemapFilePathEntry *rfe = NULL;
struct file_desc *fdesc;
struct reg_file_info *rfi;
ret = pb_read_one_eof(fd, &rfe, PB_REMAP_FPATH);
if (ret <= 0)
break;
ret = -1;
fdesc = find_file_desc_raw(FD_TYPES__REG, rfe->orig_id);
if (fdesc == NULL) {
pr_err("Remap for non existing file %#x\n",
rfe->orig_id);
goto tail;
}
rfi = container_of(fdesc, struct reg_file_info, d);
pr_info("Configuring remap %#x -> %#x\n", rfi->rfe->id, rfe->remap_id);
if (rfe->remap_id & REMAP_GHOST)
ret = open_remap_ghost(rfi, rfe);
else
ret = open_remap_linked(rfi, rfe);
tail:
remap_file_path_entry__free_unpacked(rfe, NULL);
if (ret)
break;
fdesc = find_file_desc_raw(FD_TYPES__REG, rfe->orig_id);
if (fdesc == NULL) {
pr_err("Remap for non existing file %#x\n",
rfe->orig_id);
goto out;
}
close(fd);
rfi = container_of(fdesc, struct reg_file_info, d);
pr_info("Configuring remap %#x -> %#x\n", rfi->rfe->id, rfe->remap_id);
if (rfe->remap_id & REMAP_GHOST)
ret = open_remap_ghost(rfi, rfe);
else
ret = open_remap_linked(rfi, rfe);
out:
return ret;
}
@ -593,7 +578,8 @@ int collect_reg_files(void)
ret = collect_image(CR_FD_REG_FILES, PB_REG_FILES,
sizeof(struct reg_file_info), collect_one_regfile);
if (!ret)
ret = collect_remaps();
ret = collect_image(CR_FD_REMAP_FPATH, PB_REMAP_FPATH,
0, collect_one_remap);
return ret;
}