Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Christoph Hellwig <hch@lst.de>
Tested-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
authored by
Christoph Hellwig
and committed by
Anna Schumaker
49b29a57
9aac777a
+4
-1
+3
-1
fs/nfs/file.c
+3
-1
fs/nfs/file.c
···
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loff_t pos, unsigned len, struct page **pagep,
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void **fsdata)
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{
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+
fgf_t fgp = FGP_WRITEBEGIN;
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struct folio *folio;
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int once_thru = 0;
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int ret;
···
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dfprintk(PAGECACHE, "NFS: write_begin(%pD2(%lu), %u@%lld)\n",
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file, mapping->host->i_ino, len, (long long) pos);
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+
fgp |= fgf_set_order(len);
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start:
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-
folio = __filemap_get_folio(mapping, pos >> PAGE_SHIFT, FGP_WRITEBEGIN,
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folio = __filemap_get_folio(mapping, pos >> PAGE_SHIFT, fgp,
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mapping_gfp_mask(mapping));
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if (IS_ERR(folio))
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return PTR_ERR(folio);
+1
fs/nfs/inode.c
+1
fs/nfs/inode.c
···
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inode->i_fop = NFS_SB(sb)->nfs_client->rpc_ops->file_ops;
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inode->i_data.a_ops = &nfs_file_aops;
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nfs_inode_init_regular(nfsi);
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mapping_set_large_folios(inode->i_mapping);
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} else if (S_ISDIR(inode->i_mode)) {
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inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->dir_inode_ops;
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inode->i_fop = &nfs_dir_operations;