summaryrefslogtreecommitdiffstats
path: root/fs/overlayfs/readdir.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/overlayfs/readdir.c')
-rw-r--r--fs/overlayfs/readdir.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index 6325dcc4c48b..e452ff7d583d 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -438,13 +438,15 @@ static struct ovl_dir_cache *ovl_cache_get(struct dentry *dentry)
/* Map inode number to lower fs unique range */
static u64 ovl_remap_lower_ino(u64 ino, int xinobits, int fsid,
- const char *name, int namelen)
+ const char *name, int namelen, bool warn)
{
unsigned int xinoshift = 64 - xinobits;
if (unlikely(ino >> xinoshift)) {
- pr_warn_ratelimited("d_ino too big (%.*s, ino=%llu, xinobits=%d)\n",
- namelen, name, ino, xinobits);
+ if (warn) {
+ pr_warn_ratelimited("d_ino too big (%.*s, ino=%llu, xinobits=%d)\n",
+ namelen, name, ino, xinobits);
+ }
return ino;
}
@@ -521,7 +523,8 @@ get:
} else if (xinobits && !OVL_TYPE_UPPER(type)) {
ino = ovl_remap_lower_ino(ino, xinobits,
ovl_layer_lower(this)->fsid,
- p->name, p->len);
+ p->name, p->len,
+ ovl_xino_warn(dir->d_sb));
}
out:
@@ -651,6 +654,7 @@ struct ovl_readdir_translate {
u64 parent_ino;
int fsid;
int xinobits;
+ bool xinowarn;
};
static int ovl_fill_real(struct dir_context *ctx, const char *name,
@@ -671,7 +675,7 @@ static int ovl_fill_real(struct dir_context *ctx, const char *name,
ino = p->ino;
} else if (rdt->xinobits) {
ino = ovl_remap_lower_ino(ino, rdt->xinobits, rdt->fsid,
- name, namelen);
+ name, namelen, rdt->xinowarn);
}
return orig_ctx->actor(orig_ctx, name, namelen, offset, ino, d_type);
@@ -702,6 +706,7 @@ static int ovl_iterate_real(struct file *file, struct dir_context *ctx)
.ctx.actor = ovl_fill_real,
.orig_ctx = ctx,
.xinobits = ovl_xino_bits(dir->d_sb),
+ .xinowarn = ovl_xino_warn(dir->d_sb),
};
if (rdt.xinobits && lower_layer)