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authorAl Viro <viro@zeniv.linux.org.uk>2013-07-14 17:09:57 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-07-14 17:09:57 +0400
commitd3db90b0a448bfdf77ab3d887c9579fead656cc5 (patch)
tree82e363aec98fbbedcfa3f8f26405c711a6771359
parenta95e691f9c4a6e24fdeab6d7feae6d5411fe8a69 (diff)
downloadlinux-d3db90b0a448bfdf77ab3d887c9579fead656cc5.tar.gz
__rpc_lookup_create_exclusive: pass string instead of qstr
... and use d_hash_and_lookup() instead of open-coding it, for fsck sake... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--net/sunrpc/rpc_pipe.c34
1 files changed, 9 insertions, 25 deletions
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 63364cb5d11..27e54d26570 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -656,13 +656,12 @@ static int __rpc_rmpipe(struct inode *dir, struct dentry *dentry)
}
static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
- struct qstr *name)
+ const char *name)
{
- struct dentry *dentry;
-
- dentry = d_lookup(parent, name);
+ struct qstr q = QSTR_INIT(name, strlen(name));
+ struct dentry *dentry = d_hash_and_lookup(parent, &q);
if (!dentry) {
- dentry = d_alloc(parent, name);
+ dentry = d_alloc(parent, &q);
if (!dentry)
return ERR_PTR(-ENOMEM);
}
@@ -689,8 +688,7 @@ static void __rpc_depopulate(struct dentry *parent,
for (i = start; i < eof; i++) {
name.name = files[i].name;
name.len = strlen(files[i].name);
- name.hash = full_name_hash(name.name, name.len);
- dentry = d_lookup(parent, &name);
+ dentry = d_hash_and_lookup(parent, &name);
if (dentry == NULL)
continue;
@@ -732,12 +730,7 @@ static int rpc_populate(struct dentry *parent,
mutex_lock(&dir->i_mutex);
for (i = start; i < eof; i++) {
- struct qstr q;
-
- q.name = files[i].name;
- q.len = strlen(files[i].name);
- q.hash = full_name_hash(q.name, q.len);
- dentry = __rpc_lookup_create_exclusive(parent, &q);
+ dentry = __rpc_lookup_create_exclusive(parent, files[i].name);
err = PTR_ERR(dentry);
if (IS_ERR(dentry))
goto out_bad;
@@ -774,13 +767,11 @@ static struct dentry *rpc_mkdir_populate(struct dentry *parent,
int (*populate)(struct dentry *, void *), void *args_populate)
{
struct dentry *dentry;
- struct qstr q = QSTR_INIT(name, strlen(name));
struct inode *dir = parent->d_inode;
int error;
- q.hash = full_name_hash(q.name, q.len);
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
- dentry = __rpc_lookup_create_exclusive(parent, &q);
+ dentry = __rpc_lookup_create_exclusive(parent, name);
if (IS_ERR(dentry))
goto out;
error = __rpc_mkdir(dir, dentry, mode, NULL, private);
@@ -843,7 +834,6 @@ struct dentry *rpc_mkpipe_dentry(struct dentry *parent, const char *name,
struct dentry *dentry;
struct inode *dir = parent->d_inode;
umode_t umode = S_IFIFO | S_IRUSR | S_IWUSR;
- struct qstr q;
int err;
if (pipe->ops->upcall == NULL)
@@ -851,12 +841,8 @@ struct dentry *rpc_mkpipe_dentry(struct dentry *parent, const char *name,
if (pipe->ops->downcall == NULL)
umode &= ~S_IWUGO;
- q.name = name;
- q.len = strlen(name);
- q.hash = full_name_hash(q.name, q.len),
-
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
- dentry = __rpc_lookup_create_exclusive(parent, &q);
+ dentry = __rpc_lookup_create_exclusive(parent, name);
if (IS_ERR(dentry))
goto out;
err = __rpc_mkpipe_dentry(dir, dentry, umode, &rpc_pipe_fops,
@@ -1063,9 +1049,7 @@ struct dentry *rpc_d_lookup_sb(const struct super_block *sb,
const unsigned char *dir_name)
{
struct qstr dir = QSTR_INIT(dir_name, strlen(dir_name));
-
- dir.hash = full_name_hash(dir.name, dir.len);
- return d_lookup(sb->s_root, &dir);
+ return d_hash_and_lookup(sb->s_root, &dir);
}
EXPORT_SYMBOL_GPL(rpc_d_lookup_sb);