diff options
| -rw-r--r-- | fs/anon_inodes.c | 2 | ||||
| -rw-r--r-- | fs/dcache.c | 12 | ||||
| -rw-r--r-- | fs/pipe.c | 2 | ||||
| -rw-r--r-- | include/linux/dcache.h | 1 | ||||
| -rw-r--r-- | net/socket.c | 2 |
5 files changed, 16 insertions, 3 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index aca8806..9d92b33 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -102,7 +102,7 @@ struct file *anon_inode_getfile(const char *name, this.name = name; this.len = strlen(name); this.hash = 0; - path.dentry = d_alloc(anon_inode_mnt->mnt_sb->s_root, &this); + path.dentry = d_alloc_pseudo(anon_inode_mnt->mnt_sb, &this); if (!path.dentry) goto err_module; diff --git a/fs/dcache.c b/fs/dcache.c index 09ec945..9e6e6db 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1330,6 +1330,18 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name) } EXPORT_SYMBOL(d_alloc); +struct dentry *d_alloc_pseudo(struct super_block *sb, const struct qstr *name) +{ + struct dentry *dentry = d_alloc(NULL, name); + if (dentry) { + dentry->d_sb = sb; + dentry->d_parent = dentry; + dentry->d_flags |= DCACHE_DISCONNECTED; + } + return dentry; +} +EXPORT_SYMBOL(d_alloc_pseudo); + struct dentry *d_alloc_name(struct dentry *parent, const char *name) { struct qstr q; @@ -999,7 +999,7 @@ struct file *create_write_pipe(int flags) goto err; err = -ENOMEM; - path.dentry = d_alloc(pipe_mnt->mnt_sb->s_root, &name); + path.dentry = d_alloc_pseudo(pipe_mnt->mnt_sb, &name); if (!path.dentry) goto err_inode; path.mnt = mntget(pipe_mnt); diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d719e4d..c0a2ca9 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -211,6 +211,7 @@ extern void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op /* allocate/de-allocate */ extern struct dentry * d_alloc(struct dentry *, const struct qstr *); +extern struct dentry * d_alloc_pseudo(struct super_block *, const struct qstr *); extern struct dentry * d_splice_alias(struct inode *, struct dentry *); extern struct dentry * d_add_ci(struct dentry *, struct inode *, struct qstr *); extern struct dentry * d_obtain_alias(struct inode *); diff --git a/net/socket.c b/net/socket.c index 991e266..0ee74c3 100644 --- a/net/socket.c +++ b/net/socket.c @@ -361,7 +361,7 @@ static int sock_alloc_file(struct socket *sock, struct file **f, int flags) if (unlikely(fd < 0)) return fd; - path.dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name); + path.dentry = d_alloc_pseudo(sock_mnt->mnt_sb, &name); if (unlikely(!path.dentry)) { put_unused_fd(fd); return -ENOMEM; |