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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /fs/nilfs2/ifile.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/nilfs2/ifile.h')
-rw-r--r-- | fs/nilfs2/ifile.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/fs/nilfs2/ifile.h b/fs/nilfs2/ifile.h new file mode 100644 index 0000000000..35c5273f48 --- /dev/null +++ b/fs/nilfs2/ifile.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * NILFS inode file + * + * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation. + * + * Written by Amagai Yoshiji. + * Revised by Ryusuke Konishi. + * + */ + +#ifndef _NILFS_IFILE_H +#define _NILFS_IFILE_H + +#include <linux/fs.h> +#include <linux/buffer_head.h> +#include "mdt.h" +#include "alloc.h" + + +static inline struct nilfs_inode * +nilfs_ifile_map_inode(struct inode *ifile, ino_t ino, struct buffer_head *ibh) +{ + void *kaddr = kmap(ibh->b_page); + + return nilfs_palloc_block_get_entry(ifile, ino, ibh, kaddr); +} + +static inline void nilfs_ifile_unmap_inode(struct inode *ifile, ino_t ino, + struct buffer_head *ibh) +{ + kunmap(ibh->b_page); +} + +int nilfs_ifile_create_inode(struct inode *, ino_t *, struct buffer_head **); +int nilfs_ifile_delete_inode(struct inode *, ino_t); +int nilfs_ifile_get_inode_block(struct inode *, ino_t, struct buffer_head **); + +int nilfs_ifile_count_free_inodes(struct inode *, u64 *, u64 *); + +int nilfs_ifile_read(struct super_block *sb, struct nilfs_root *root, + size_t inode_size, struct nilfs_inode *raw_inode, + struct inode **inodep); + +#endif /* _NILFS_IFILE_H */ |