Commit 49b29a57 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Anna Schumaker
Browse files

nfs: add support for large folios 



NFS already is void of folio size assumption, so just pass the chunk size
to __filemap_get_folio and set the large folio address_space flag for all
regular files.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Tested-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 9aac777a

fs/nfs/file.c

+3 −1
Original line number Diff line number Diff line
@@ -339,6 +339,7 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping, 
			   loff_t pos, unsigned len, struct page **pagep,

			   void **fsdata)

{

	fgf_t fgp = FGP_WRITEBEGIN;

	struct folio *folio;

	int once_thru = 0;

	int ret;
@@ -346,8 +347,9 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping, 
	dfprintk(PAGECACHE, "NFS: write_begin(%pD2(%lu), %u@%lld)\n",

		file, mapping->host->i_ino, len, (long long) pos);



	fgp |= fgf_set_order(len);

start:

	folio = __filemap_get_folio(mapping, pos >> PAGE_SHIFT, FGP_WRITEBEGIN,

	folio = __filemap_get_folio(mapping, pos >> PAGE_SHIFT, fgp,

				    mapping_gfp_mask(mapping));

	if (IS_ERR(folio))

		return PTR_ERR(folio);

fs/nfs/inode.c

+1 −0
Original line number Diff line number Diff line
@@ -491,6 +491,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) 
			inode->i_fop = NFS_SB(sb)->nfs_client->rpc_ops->file_ops;

			inode->i_data.a_ops = &nfs_file_aops;

			nfs_inode_init_regular(nfsi);

			mapping_set_large_folios(inode->i_mapping);

		} else if (S_ISDIR(inode->i_mode)) {

			inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->dir_inode_ops;

			inode->i_fop = &nfs_dir_operations;