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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-02-09 20:21:52 +0000 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-15 08:23:30 -0400 |
| commit | affa80e8c6a1df473694c2087259901872309cc4 (patch) | |
| tree | 0e900b38906bdcf8608bb8826765370f5d12c175 /Documentation/filesystems/vfs.rst | |
| parent | f50015a596fa106bf642bd85fbf6e6b52cc913d0 (diff) | |
| download | linux-affa80e8c6a1df473694c2087259901872309cc4.tar.gz linux-affa80e8c6a1df473694c2087259901872309cc4.tar.bz2 linux-affa80e8c6a1df473694c2087259901872309cc4.zip | |
fs: Add aops->launder_folio
Since the only difference between ->launder_page and ->launder_folio
is the type of the pointer, these can safely use a union without
affecting bisectability.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs
Diffstat (limited to 'Documentation/filesystems/vfs.rst')
| -rw-r--r-- | Documentation/filesystems/vfs.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/filesystems/vfs.rst b/Documentation/filesystems/vfs.rst index 28704831652c..c54ca4d88ed6 100644 --- a/Documentation/filesystems/vfs.rst +++ b/Documentation/filesystems/vfs.rst @@ -745,7 +745,7 @@ cache in your filesystem. The following members are defined: int (*migratepage) (struct page *, struct page *); /* put migration-failed page back to right list */ void (*putback_page) (struct page *); - int (*launder_page) (struct page *); + int (*launder_folio) (struct folio *); bool (*is_partially_uptodate) (struct folio *, size_t from, size_t count); @@ -930,9 +930,9 @@ cache in your filesystem. The following members are defined: ``putback_page`` Called by the VM when isolated page's migration fails. -``launder_page`` - Called before freeing a page - it writes back the dirty page. - To prevent redirtying the page, it is kept locked during the +``launder_folio`` + Called before freeing a folio - it writes back the dirty folio. + To prevent redirtying the folio, it is kept locked during the whole operation. ``is_partially_uptodate`` |