zfs_ioctl.c: improve code readability in zfs_ioc_dataset_list_next()

zvol.c: fix calling of dmu_objset_prefetch() in zvol_create_minors()
by passing full instead of relative dataset name and prefetching all
visible datasets to be processed later instead of just the pool name

Reviewed by:	pjd
Approved by:	re (kib)
MFC after:	1 week
> Reviewed by:   If someone else reviewed your modification.
> Approved by:   If you needed approval for this commit.
> Obtained from: If the change is from a third party.
> MFC after:     N [day[s]|week[s]|month[s]].  Request a reminder email.
> Security:      Vulnerability reference (one per line) or description.
> Empty fields above will be automatically removed.

M    opensolaris/uts/common/fs/zfs/zfs_ioctl.c
M    opensolaris/uts/common/fs/zfs/zvol.c
This commit is contained in:
Martin Matuska 2011-08-13 21:35:22 +00:00
parent 359b396113
commit 6e1f1d4690
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=224855
2 changed files with 8 additions and 7 deletions

View File

@ -1963,9 +1963,10 @@ zfs_ioc_dataset_list_next(zfs_cmd_t *zc)
uint64_t cookie = 0;
int len = sizeof (zc->zc_name) - (p - zc->zc_name);
while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0)
if (dataset_name_hidden(zc->zc_name) == B_FALSE)
while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) {
if (!dataset_name_hidden(zc->zc_name))
(void) dmu_objset_prefetch(zc->zc_name, NULL);
}
}
do {

View File

@ -2197,11 +2197,11 @@ zvol_create_minors(const char *name)
p = osname + strlen(osname);
len = MAXPATHLEN - (p - osname);
if (strchr(name, '/') == NULL) {
/* Prefetch only for pool name. */
cookie = 0;
while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0)
(void) dmu_objset_prefetch(p, NULL);
/* Prefetch the datasets. */
cookie = 0;
while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) {
if (!dataset_name_hidden(osname))
(void) dmu_objset_prefetch(osname, NULL);
}
cookie = 0;