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-rw-r--r--fs/dcache.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 4435d8b..85c9e2b 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -683,8 +683,6 @@ EXPORT_SYMBOL(dget_parent);
/**
* d_find_alias - grab a hashed alias of inode
* @inode: inode in question
- * @want_discon: flag, used by d_splice_alias, to request
- * that only a DISCONNECTED alias be returned.
*
* If inode has a hashed alias, or is a directory and has any alias,
* acquire the reference to alias and return it. Otherwise return NULL.
@@ -693,10 +691,9 @@ EXPORT_SYMBOL(dget_parent);
* of a filesystem.
*
* If the inode has an IS_ROOT, DCACHE_DISCONNECTED alias, then prefer
- * any other hashed alias over that one unless @want_discon is set,
- * in which case only return an IS_ROOT, DCACHE_DISCONNECTED alias.
+ * any other hashed alias over that.
*/
-static struct dentry *__d_find_alias(struct inode *inode, int want_discon)
+static struct dentry *__d_find_alias(struct inode *inode)
{
struct dentry *alias, *discon_alias;
@@ -708,7 +705,7 @@ again:
if (IS_ROOT(alias) &&
(alias->d_flags & DCACHE_DISCONNECTED)) {
discon_alias = alias;
- } else if (!want_discon) {
+ } else {
__dget_dlock(alias);
spin_unlock(&alias->d_lock);
return alias;
@@ -739,7 +736,7 @@ struct dentry *d_find_alias(struct inode *inode)
if (!list_empty(&inode->i_dentry)) {
spin_lock(&inode->i_lock);
- de = __d_find_alias(inode, 0);
+ de = __d_find_alias(inode);
spin_unlock(&inode->i_lock);
}
return de;
@@ -1650,9 +1647,8 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
if (inode && S_ISDIR(inode->i_mode)) {
spin_lock(&inode->i_lock);
- new = __d_find_alias(inode, 1);
+ new = __d_find_any_alias(inode);
if (new) {
- BUG_ON(!(new->d_flags & DCACHE_DISCONNECTED));
spin_unlock(&inode->i_lock);
security_d_instantiate(new, inode);
d_move(new, dentry);
@@ -2482,7 +2478,7 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
struct dentry *alias;
/* Does an aliased dentry already exist? */
- alias = __d_find_alias(inode, 0);
+ alias = __d_find_alias(inode);
if (alias) {
actual = alias;
write_seqlock(&rename_lock);
@@ -2575,7 +2571,7 @@ static int prepend_path(const struct path *path,
bool slash = false;
int error = 0;
- br_read_lock(vfsmount_lock);
+ br_read_lock(&vfsmount_lock);
while (dentry != root->dentry || vfsmnt != root->mnt) {
struct dentry * parent;
@@ -2606,7 +2602,7 @@ static int prepend_path(const struct path *path,
error = prepend(buffer, buflen, "/", 1);
out:
- br_read_unlock(vfsmount_lock);
+ br_read_unlock(&vfsmount_lock);
return error;
global_root:
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