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Code Issues Releases Activity

- Make use of g_*() API.

Browse Source 
- Flush cache after writing metadata.

MFC after:	1 week
This commit is contained in:
Pawel Jakub Dawidek 2010-09-23 10:55:45 +00:00
parent 5cd61a1fb7
commit 429cf66400
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=213057
1 changed files with 13 additions and 18 deletions
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31
sbin/geom/class/eli/geom_eli.c
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@ -1176,7 +1176,7 @@ eli_restore(struct gctl_req *req)
struct g_eli_metadata md;
const char *file, *prov;
unsigned char *sector;
unsigned secsize;
ssize_t secsize;
off_t mediasize;
int nargs, filefd, provfd;
@ -1197,21 +1197,15 @@ eli_restore(struct gctl_req *req)
gctl_error(req, "Cannot open %s: %s.", file, strerror(errno));
goto out;
}
provfd = open(prov, O_WRONLY);
if (provfd == -1 && errno == ENOENT && prov[0] != '/') {
char devprov[MAXPATHLEN];
snprintf(devprov, sizeof(devprov), "%s%s", _PATH_DEV, prov);
provfd = open(devprov, O_WRONLY);
}
provfd = g_open(prov, 1);
if (provfd == -1) {
gctl_error(req, "Cannot open %s: %s.", prov, strerror(errno));
goto out;
}
mediasize = g_get_mediasize(prov);
secsize = g_get_sectorsize(prov);
if (mediasize == 0 || secsize == 0) {
mediasize = g_mediasize(provfd);
secsize = g_sectorsize(provfd);
if (mediasize == -1 || secsize == -1) {
gctl_error(req, "Cannot get informations about %s: %s.", prov,
strerror(errno));
goto out;
@ -1224,7 +1218,7 @@ eli_restore(struct gctl_req *req)
}
/* Read metadata from the backup file. */
if (read(filefd, sector, secsize) != (ssize_t)secsize) {
if (read(filefd, sector, secsize) != secsize) {
gctl_error(req, "Cannot read from %s: %s.", file,
strerror(errno));
goto out;
@ -1246,16 +1240,16 @@ eli_restore(struct gctl_req *req)
}
}
/* Write metadata from the provider. */
if (pwrite(provfd, sector, secsize, mediasize - secsize) !=
(ssize_t)secsize) {
if (pwrite(provfd, sector, secsize, mediasize - secsize) != secsize) {
gctl_error(req, "Cannot write metadata: %s.", strerror(errno));
goto out;
}
(void)g_flush(provfd);
out:
if (provfd > 0)
close(provfd);
if (filefd > 0)
close(filefd);
if (provfd >= 0)
(void)g_close(provfd);
if (filefd >= 0)
(void)close(filefd);
if (sector != NULL) {
bzero(sector, secsize);
free(sector);
@ -1341,6 +1335,7 @@ eli_resize(struct gctl_req *req)
gctl_error(req, "Cannot write metadata: %s.", strerror(errno));
goto out;
}
(void)g_flush(provfd);
/* Now trash the old metadata. */
arc4rand(sector, secsize);