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staging: lustre: lmv: fix some byte order issues

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In the handler for LL_IOC_LMV_GETSTRIPE convert stripe FIDs from
little to CPU endian when unpacking lmv_user_md. In lmv_unpack_md_v1()
fix a double conversion of the stripe count.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5342
Reviewed-on: http://review.whamcloud.com/11106
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John L. Hammond
2016-09-18 16:37:11 -04:00
committed by Greg Kroah-Hartman
parent 47137ad380
commit 212f6c7fcf
2 changed files with 5 additions and 5 deletions
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8
drivers/staging/lustre/lustre/llite/dir.c
View File

@@ -1252,16 +1252,16 @@ static long ll_dir_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
tmp->lum_stripe_count = 0;
tmp->lum_stripe_offset = mdt_index;
for (i = 0; i < stripe_count; i++) {
struct lu_fid *fid;
struct lu_fid fid;
fid = &lmm->lmv_md_v1.lmv_stripe_fids[i];
mdt_index = ll_get_mdt_idx_by_fid(sbi, fid);
fid_le_to_cpu(&fid, &lmm->lmv_md_v1.lmv_stripe_fids[i]);
mdt_index = ll_get_mdt_idx_by_fid(sbi, &fid);
if (mdt_index < 0) {
rc = mdt_index;
goto out_tmp;
}
tmp->lum_objects[i].lum_mds = mdt_index;
tmp->lum_objects[i].lum_fid = *fid;
tmp->lum_objects[i].lum_fid = fid;
tmp->lum_stripe_count++;
}

2
drivers/staging/lustre/lustre/lmv/lmv_obd.c
View File

@@ -2907,7 +2907,7 @@ static int lmv_unpack_md_v1(struct obd_export *exp, struct lmv_stripe_md *lsm,
lsm->lsm_md_hash_type, lsm->lsm_md_layout_version);
stripe_count = le32_to_cpu(lmm1->lmv_stripe_count);
for (i = 0; i < le32_to_cpu(stripe_count); i++) {
for (i = 0; i < stripe_count; i++) {
fid_le_to_cpu(&lsm->lsm_md_oinfo[i].lmo_fid,
&lmm1->lmv_stripe_fids[i]);
rc = lmv_fld_lookup(lmv, &lsm->lsm_md_oinfo[i].lmo_fid,