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nfs: add support for large folios

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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: Christoph Hellwig <hch@lst.de>
Tested-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Christoph Hellwig 2024-05-27 18:36:09 +02:00 committed by Anna Schumaker
parent 9aac777aaf
commit 49b29a573d
2 changed files with 4 additions and 1 deletions
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4
fs/nfs/file.c
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@ -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);

1
fs/nfs/inode.c
View File

@ -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;