public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

nilfs2: convert metadata aops from writepage to writepages

Browse source 
By implementing ->writepages instead of ->writepage, we remove a layer of
indirect function calls from the writeback path and the last use of struct
page in nilfs2.

[konishi.ryusuke@gmail.com: fixed panic by using buffer_migrate_folio_norefs]
Link: https://lkml.kernel.org/r/20241002150036.1339475-5-willy@infradead.org
Link: https://lkml.kernel.org/r/20241024092602.13395-13-konishi.ryusuke@gmail.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-10-24 18:25:46 +09:00 • committed by Andrew Morton
parent b18d78dec3
commit 013a07052a
1 changed files with 15 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
fs/nilfs2/mdt.c
View file

@ -399,10 +399,9 @@ int nilfs_mdt_fetch_dirty(struct inode *inode)
return test_bit(NILFS_I_DIRTY, &ii->i_state); return test_bit(NILFS_I_DIRTY, &ii->i_state);
} }
static int static int nilfs_mdt_write_folio(struct folio *folio,
nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc) struct writeback_control *wbc)
{ {
struct folio *folio = page_folio(page);
struct inode *inode = folio->mapping->host; struct inode *inode = folio->mapping->host;
struct super_block *sb; struct super_block *sb;
int err = 0; int err = 0;
@ -435,11 +434,23 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
return err; return err;
} }
static int nilfs_mdt_writeback(struct address_space *mapping,
struct writeback_control *wbc)
{
struct folio *folio = NULL;
int error;
while ((folio = writeback_iter(mapping, wbc, folio, &error)))
error = nilfs_mdt_write_folio(folio, wbc);
return error;
}
static const struct address_space_operations def_mdt_aops = { static const struct address_space_operations def_mdt_aops = {
.dirty_folio = block_dirty_folio, .dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio, .invalidate_folio = block_invalidate_folio,
.writepage = nilfs_mdt_write_page, .writepages = nilfs_mdt_writeback,
.migrate_folio = buffer_migrate_folio_norefs,
}; };
static const struct inode_operations def_mdt_iops; static const struct inode_operations def_mdt_iops;