mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 10:39:04 +00:00
79 lines
2.0 KiB
Diff
79 lines
2.0 KiB
Diff
--- a/fs/overlayfs/overlayfs.c
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+++ b/fs/overlayfs/overlayfs.c
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@@ -28,13 +28,8 @@ struct ovl_fs {
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struct ovl_entry {
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struct dentry *__upperdentry;
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struct dentry *lowerdentry;
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- union {
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- struct {
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- u64 version;
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- bool opaque;
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- };
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- struct rcu_head rcu;
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- };
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+ u64 version;
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+ bool opaque;
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};
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static const char *ovl_whiteout_xattr = "trusted.overlay.whiteout";
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@@ -632,12 +627,6 @@ static const struct file_operations ovl_
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static const struct inode_operations ovl_dir_inode_operations;
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-static void ovl_entry_free(struct rcu_head *head)
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-{
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- struct ovl_entry *oe = container_of(head, struct ovl_entry, rcu);
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- kfree(oe);
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-}
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-
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static void ovl_dentry_release(struct dentry *dentry)
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{
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struct ovl_entry *oe = dentry->d_fsdata;
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@@ -645,7 +634,7 @@ static void ovl_dentry_release(struct de
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if (oe) {
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dput(oe->__upperdentry);
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dput(oe->lowerdentry);
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- call_rcu(&oe->rcu, ovl_entry_free);
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+ kfree(oe);
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}
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}
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@@ -1338,7 +1327,7 @@ static int ovl_dir_getattr(struct vfsmou
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return 0;
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}
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-static int ovl_permission(struct inode *inode, int mask, unsigned int flags)
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+static int ovl_permission(struct inode *inode, int mask)
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{
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struct ovl_entry *oe;
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struct dentry *alias = NULL;
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@@ -1349,8 +1338,6 @@ static int ovl_permission(struct inode *
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if (S_ISDIR(inode->i_mode)) {
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oe = inode->i_private;
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- } else if (flags & IPERM_FLAG_RCU) {
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- return -ECHILD;
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} else {
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/*
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* For non-directories find an alias and get the info
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@@ -1377,7 +1364,6 @@ static int ovl_permission(struct inode *
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/* Careful in RCU walk mode */
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realinode = ACCESS_ONCE(realdentry->d_inode);
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if (!realinode) {
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- WARN_ON(!(flags & IPERM_FLAG_RCU));
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return -ENOENT;
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}
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@@ -1402,9 +1388,9 @@ static int ovl_permission(struct inode *
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}
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if (realinode->i_op->permission)
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- err = realinode->i_op->permission(realinode, mask, flags);
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+ err = realinode->i_op->permission(realinode, mask);
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else
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- err = generic_permission(realinode, mask, flags,
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+ err = generic_permission(realinode, mask,
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realinode->i_op->check_acl);
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out_dput:
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dput(alias);
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