Commit 72508db0 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFS: Allow folio migration for the case of mode == MIGRATE_SYNC 



When the mode is MIGRATE_SYNC, we are allowed to call nfs_wb_folio()
under the folio lock.

Reviewed-by: default avatarBenjamin Coddington <bcodding@redhat.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent b0b7cdc9

fs/nfs/write.c

+6 −2
Original line number Diff line number Diff line
@@ -2113,8 +2113,12 @@ int nfs_migrate_folio(struct address_space *mapping, struct folio *dst, 
	 *        that we can safely release the inode reference while holding

	 *        the folio lock.

	 */

	if (folio_test_private(src)) {

		if (mode == MIGRATE_SYNC)

			nfs_wb_folio(src->mapping->host, src);

		if (folio_test_private(src))

			return -EBUSY;

	}



	if (folio_test_private_2(src)) { /* [DEPRECATED] */

		if (mode == MIGRATE_ASYNC)