Commit f99de3d5 authored by Ryusuke Konishi's avatar Ryusuke Konishi Committed by Andrew Morton
Browse files

nilfs2: convert inode file to be folio-based 

Convert the page-based implementation of ifile, a metadata file that
manages inodes, to folio-based.

Link: https://lkml.kernel.org/r/20241024092602.13395-6-konishi.ryusuke@gmail.com


Signed-off-by: default avatarRyusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 21cf934e

fs/nilfs2/ifile.c

+5 −5
Original line number Diff line number Diff line
@@ -98,7 +98,7 @@ int nilfs_ifile_delete_inode(struct inode *ifile, ino_t ino) 
		.pr_entry_nr = ino, .pr_entry_bh = NULL

	};

	struct nilfs_inode *raw_inode;

	void *kaddr;

	size_t offset;

	int ret;



	ret = nilfs_palloc_prepare_free_entry(ifile, &req);
@@ -113,11 +113,11 @@ int nilfs_ifile_delete_inode(struct inode *ifile, ino_t ino) 
		return ret;

	}



	kaddr = kmap_local_page(req.pr_entry_bh->b_page);

	raw_inode = nilfs_palloc_block_get_entry(ifile, req.pr_entry_nr,

						 req.pr_entry_bh, kaddr);

	offset = nilfs_palloc_entry_offset(ifile, req.pr_entry_nr,

					   req.pr_entry_bh);

	raw_inode = kmap_local_folio(req.pr_entry_bh->b_folio, offset);

	raw_inode->i_flags = 0;

	kunmap_local(kaddr);

	kunmap_local(raw_inode);



	mark_buffer_dirty(req.pr_entry_bh);

	brelse(req.pr_entry_bh);

fs/nilfs2/ifile.h

+2 −2
Original line number Diff line number Diff line
@@ -21,9 +21,9 @@ 
static inline struct nilfs_inode *

nilfs_ifile_map_inode(struct inode *ifile, ino_t ino, struct buffer_head *ibh)

{

	void *kaddr = kmap_local_page(ibh->b_page);

	size_t __offset_in_folio = nilfs_palloc_entry_offset(ifile, ino, ibh);



	return nilfs_palloc_block_get_entry(ifile, ino, ibh, kaddr);

	return kmap_local_folio(ibh->b_folio, __offset_in_folio);

}



static inline void nilfs_ifile_unmap_inode(struct nilfs_inode *raw_inode)