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nfs: Leave pages in the pagecache if readpage failed

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commit 0b768a9610c6de9811c6d33900bebfb665192ee1 upstream.

The pagecache handles readpage failing by itself; it doesn't want
filesystems to remove pages from under it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-05-16 10:30:09 -04:00 • committed by Greg Kroah-Hartman
parent d59bb70350
commit 6a91d8eb5a
1 changed files with 0 additions and 4 deletions
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4
fs/nfs/read.c
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@ -103,12 +103,8 @@ static void nfs_readpage_release(struct nfs_page *req, int error)
if (nfs_error_is_fatal_on_server(error) && error != -ETIMEDOUT) if (nfs_error_is_fatal_on_server(error) && error != -ETIMEDOUT)
SetPageError(page); SetPageError(page);
if (nfs_page_group_sync_on_bit(req, PG_UNLOCKPAGE)) { if (nfs_page_group_sync_on_bit(req, PG_UNLOCKPAGE)) {
struct address_space *mapping = page_file_mapping(page);
if (PageUptodate(page)) if (PageUptodate(page))
nfs_readpage_to_fscache(inode, page, 0); nfs_readpage_to_fscache(inode, page, 0);
else if (!PageError(page) && !PagePrivate(page))
generic_error_remove_page(mapping, page);
unlock_page(page); unlock_page(page);
} }
nfs_release_request(req); nfs_release_request(req);