| Message ID | 1386805122-23972-5-git-send-email-sekharan@us.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index e1992ed..2cf2a3b 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2647,6 +2647,9 @@ static int submit_extent_page(int rw, struct extent_io_tree *tree, int old_compressed = prev_bio_flags & EXTENT_BIO_COMPRESSED; size_t page_size = min_t(size_t, size, PAGE_CACHE_SIZE); + if (page->mapping->host->i_sb->s_blocksize < PAGE_CACHE_SIZE) + page_size = PAGE_CACHE_SIZE; + if (bio_ret && *bio_ret) { bio = *bio_ret; if (old_compressed)
For the subpagesize-blocksize case make sure that the IO submitted through submit_extent_page() is at least of PAGE_CACHE_SIZE Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> --- fs/btrfs/extent_io.c | 3 +++ 1 file changed, 3 insertions(+)