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qstr: constify instances in fuse

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-07-20 22:34:44 -04:00
parent 9aba36dea5
commit 13983d062f
3 changed files with 5 additions and 9 deletions
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4
fs/fuse/dir.c
View File

@ -146,7 +146,7 @@ static void fuse_invalidate_entry(struct dentry *entry)
}
static void fuse_lookup_init(struct fuse_conn *fc, struct fuse_args *args,
u64 nodeid, struct qstr *name,
u64 nodeid, const struct qstr *name,
struct fuse_entry_out *outarg)
{
memset(outarg, 0, sizeof(struct fuse_entry_out));
@ -282,7 +282,7 @@ int fuse_valid_type(int m)
S_ISBLK(m) || S_ISFIFO(m) || S_ISSOCK(m);
}
int fuse_lookup_name(struct super_block *sb, u64 nodeid, struct qstr *name,
int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name,
struct fuse_entry_out *outarg, struct inode **inode)
{
struct fuse_conn *fc = get_fuse_conn_super(sb);

2
fs/fuse/fuse_i.h
View File

@ -703,7 +703,7 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
int generation, struct fuse_attr *attr,
u64 attr_valid, u64 attr_version);
int fuse_lookup_name(struct super_block *sb, u64 nodeid, struct qstr *name,
int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name,
struct fuse_entry_out *outarg, struct inode **inode);
/**

8
fs/fuse/inode.c
View File

@ -673,13 +673,11 @@ static struct dentry *fuse_get_dentry(struct super_block *sb,
inode = ilookup5(sb, handle->nodeid, fuse_inode_eq, &handle->nodeid);
if (!inode) {
struct fuse_entry_out outarg;
struct qstr name;
const struct qstr name = QSTR_INIT(".", 1);
if (!fc->export_support)
goto out_err;
name.len = 1;
name.name = ".";
err = fuse_lookup_name(sb, handle->nodeid, &name, &outarg,
&inode);
if (err && err != -ENOENT)
@ -775,14 +773,12 @@ static struct dentry *fuse_get_parent(struct dentry *child)
struct inode *inode;
struct dentry *parent;
struct fuse_entry_out outarg;
struct qstr name;
const struct qstr name = QSTR_INIT("..", 2);
int err;
if (!fc->export_support)
return ERR_PTR(-ESTALE);
name.len = 2;
name.name = "..";
err = fuse_lookup_name(child_inode->i_sb, get_node_id(child_inode),
&name, &outarg, &inode);
if (err) {