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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-05-27 21:17:32 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-08-12 22:03:25 +0200 |
| commit | 98055bc3595500bcf2126b93b1595354bdb86a66 (patch) | |
| tree | c8067373a42f34ddb4ef0739992328f7490df1d0 /fs | |
| parent | 8400291e289ee6b2bf9779ff1c83a291501f017b (diff) | |
| download | lwn-98055bc3595500bcf2126b93b1595354bdb86a66.tar.gz lwn-98055bc3595500bcf2126b93b1595354bdb86a66.zip | |
netfs: Fault in smaller chunks for non-large folio mappings
As in commit 4e527d5841e2 ("iomap: fault in smaller chunks for non-large
folio mappings"), we can see a performance loss for filesystems
which have not yet been converted to large folios.
Fixes: c38f4e96e605 ("netfs: Provide func to copy data to pagecache for buffered write")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20240527201735.1898381-1-willy@infradead.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/netfs/buffered_write.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index 4726c315453c..ca53c5d1622e 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -184,7 +184,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter, unsigned int bdp_flags = (iocb->ki_flags & IOCB_NOWAIT) ? BDP_ASYNC : 0; ssize_t written = 0, ret, ret2; loff_t i_size, pos = iocb->ki_pos, from, to; - size_t max_chunk = PAGE_SIZE << MAX_PAGECACHE_ORDER; + size_t max_chunk = mapping_max_folio_size(mapping); bool maybe_trouble = false; if (unlikely(test_bit(NETFS_ICTX_WRITETHROUGH, &ctx->flags) || |