Currently, when encoutering -ERANGE in btrfs_get_acl(),
just set acl to NULL so that we cannot get proper
acl information but the operation looks successful.
This patch treats -ERANGE as an error case and meanwhile
print real errno before translating errno to -EIO.
Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx>
---
fs/btrfs/acl.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 15e1dfef56a5..7b3a83dd917c 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -42,9 +42,10 @@ struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
}
if (size > 0) {
acl = posix_acl_from_xattr(&init_user_ns, value, size);
- } else if (size == -ERANGE || size == -ENODATA || size == 0) {
+ } else if (size == -ENODATA || size == 0) {
acl = NULL;
} else {
+ pr_err_ratelimited("BTRFS: get acl failed, err=%d\n", size);
acl = ERR_PTR(-EIO);
}
kfree(value);
--
2.17.1
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