[RFCv2 2/5] fs/anon_inodes: get a new inode
From: Gioh Kim <hidden>
Date: 2015-06-26 09:58:27
Also in:
linux-fsdevel, linux-mm, lkml, virtualization
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
A inode is necessary for some drivers that needs special address_space and address_space_operation for page migration. Each drivers can create inode with the anon_inodefs. Signed-off-by: Gioh Kim <redacted> --- fs/anon_inodes.c | 6 ++++++ include/linux/anon_inodes.h | 1 + 2 files changed, 7 insertions(+)
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 80ef38c..1d51f96 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c@@ -162,6 +162,12 @@ err_put_unused_fd: } EXPORT_SYMBOL_GPL(anon_inode_getfd); +struct inode *anon_inode_new(void) +{ + return alloc_anon_inode(anon_inode_mnt->mnt_sb); +} +EXPORT_SYMBOL_GPL(anon_inode_new); + static int __init anon_inode_init(void) { anon_inode_mnt = kern_mount(&anon_inode_fs_type);
diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h
index 8013a45..ddbd67f 100644
--- a/include/linux/anon_inodes.h
+++ b/include/linux/anon_inodes.h@@ -15,6 +15,7 @@ struct file *anon_inode_getfile(const char *name, void *priv, int flags); int anon_inode_getfd(const char *name, const struct file_operations *fops, void *priv, int flags); +struct inode *anon_inode_new(void); #endif /* _LINUX_ANON_INODES_H */
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1.9.1