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Diffstat (limited to 'fs/nfs/flexfilelayout')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index df01d2876b68..9056f05a67dc 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -270,19 +270,31 @@ ff_layout_remove_mirror(struct nfs4_ff_layout_mirror *mirror)
mirror->layout = NULL;
}
-static struct nfs4_ff_layout_mirror *ff_layout_alloc_mirror(gfp_t gfp_flags)
+static struct nfs4_ff_layout_mirror *ff_layout_alloc_mirror(u32 dss_count,
+ gfp_t gfp_flags)
{
struct nfs4_ff_layout_mirror *mirror;
- u32 dss_id;
mirror = kzalloc(sizeof(*mirror), gfp_flags);
- if (mirror != NULL) {
- spin_lock_init(&mirror->lock);
- refcount_set(&mirror->ref, 1);
- INIT_LIST_HEAD(&mirror->mirrors);
- for (dss_id = 0; dss_id < mirror->dss_count; dss_id++)
- nfs_localio_file_init(&mirror->dss[dss_id].nfl);
+ if (mirror == NULL)
+ return NULL;
+
+ spin_lock_init(&mirror->lock);
+ refcount_set(&mirror->ref, 1);
+ INIT_LIST_HEAD(&mirror->mirrors);
+
+ mirror->dss_count = dss_count;
+ mirror->dss =
+ kcalloc(dss_count, sizeof(struct nfs4_ff_layout_ds_stripe),
+ gfp_flags);
+ if (mirror->dss == NULL) {
+ kfree(mirror);
+ return NULL;
}
+
+ for (u32 dss_id = 0; dss_id < mirror->dss_count; dss_id++)
+ nfs_localio_file_init(&mirror->dss[dss_id].nfl);
+
return mirror;
}
@@ -507,17 +519,12 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh,
if (dss_count > 1 && stripe_unit == 0)
goto out_err_free;
- fls->mirror_array[i] = ff_layout_alloc_mirror(gfp_flags);
+ fls->mirror_array[i] = ff_layout_alloc_mirror(dss_count, gfp_flags);
if (fls->mirror_array[i] == NULL) {
rc = -ENOMEM;
goto out_err_free;
}
- fls->mirror_array[i]->dss_count = dss_count;
- fls->mirror_array[i]->dss =
- kcalloc(dss_count, sizeof(struct nfs4_ff_layout_ds_stripe),
- gfp_flags);
-
for (dss_id = 0; dss_id < dss_count; dss_id++) {
dss_info = &fls->mirror_array[i]->dss[dss_id];
dss_info->mirror = fls->mirror_array[i];