6.12-stable review patch. If anyone has any objections, please let me know.
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From: Trond Myklebust trond.myklebust@hammerspace.com
[ Upstream commit b7b8574225e9d2b5f1fb5483886ab797892f43b5 ]
If we're truncating part of the folio, then we need to write out the data on the part that is not covered by the cancellation.
Fixes: d47992f86b30 ("mm: change invalidatepage prototype to accept length") Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/file.c | 7 ++++--- fs/nfs/write.c | 1 + 2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 033feeab8c346..a16a619fb8c33 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -437,10 +437,11 @@ static void nfs_invalidate_folio(struct folio *folio, size_t offset, dfprintk(PAGECACHE, "NFS: invalidate_folio(%lu, %zu, %zu)\n", folio->index, offset, length);
- if (offset != 0 || length < folio_size(folio)) - return; /* Cancel any unstarted writes on this page */ - nfs_wb_folio_cancel(inode, folio); + if (offset != 0 || length < folio_size(folio)) + nfs_wb_folio(inode, folio); + else + nfs_wb_folio_cancel(inode, folio); folio_wait_private_2(folio); /* [DEPRECATED] */ trace_nfs_invalidate_folio(inode, folio_pos(folio) + offset, length); } diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 2b6b3542405c3..fd86546fafd3f 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -2058,6 +2058,7 @@ int nfs_wb_folio_cancel(struct inode *inode, struct folio *folio) * release it */ nfs_inode_remove_request(req); nfs_unlock_and_release_request(req); + folio_cancel_dirty(folio); }
return ret;