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authorMatthew Wilcox (Oracle) <willy@infradead.org>2024-04-03 20:23:49 +0300
committerAndreas Gruenbacher <agruenba@redhat.com>2024-05-03 22:01:02 +0300
commitb844048011d3c771e7f8ae9354450f4e0c5c041a (patch)
tree3c41e20a81b4430f346c2858def82f6358ec3479 /fs
parent75377ae754c93a312e8430e9c159db3273bb679c (diff)
downloadlinux-b844048011d3c771e7f8ae9354450f4e0c5c041a.tar.xz
gfs2: Add a migrate_folio operation for journalled files
For journalled data, folio migration currently works by writing the folio back, freeing the folio and faulting the new folio back in. We can bypass that by telling the migration code to migrate the buffer_heads attached to our folios. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/gfs2/aops.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 974aca9c8ea8..10d5acd3f742 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -116,8 +116,7 @@ static int gfs2_write_jdata_folio(struct folio *folio,
* @folio: The folio to write
* @wbc: The writeback control
*
- * This is shared between writepage and writepages and implements the
- * core of the writepage operation. If a transaction is required then
+ * Implements the core of write back. If a transaction is required then
* the checked flag will have been set and the transaction will have
* already been started before this is called.
*/
@@ -755,6 +754,7 @@ static const struct address_space_operations gfs2_jdata_aops = {
.readahead = gfs2_readahead,
.dirty_folio = jdata_dirty_folio,
.bmap = gfs2_bmap,
+ .migrate_folio = buffer_migrate_folio,
.invalidate_folio = gfs2_invalidate_folio,
.release_folio = gfs2_release_folio,
.is_partially_uptodate = block_is_partially_uptodate,