libext2fs: Add ext2fs_file_get_inode_num call (for fuse2fs)
Add a function to return the inode number of an open file.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 7343090..68afdff 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -1103,6 +1103,7 @@
int flags, ext2_file_t *ret);
extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file);
struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file);
+extern ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file);
extern errcode_t ext2fs_file_close(ext2_file_t file);
extern errcode_t ext2fs_file_flush(ext2_file_t file);
extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf,
diff --git a/lib/ext2fs/fileio.c b/lib/ext2fs/fileio.c
index 8751635..1f7002c 100644
--- a/lib/ext2fs/fileio.c
+++ b/lib/ext2fs/fileio.c
@@ -106,6 +106,14 @@
return &file->inode;
}
+/* This function returns the inode number from the structure */
+ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file)
+{
+ if (file->magic != EXT2_ET_MAGIC_EXT2_FILE)
+ return 0;
+ return file->ino;
+}
+
/*
* This function flushes the dirty block buffer out to disk if
* necessary.