[PATCH v2 08/12] fuse: support large folios for queued writes

Joanne Koong
2024-11-25T22:06:07Z

Add support for folios larger than one page size for queued writes.

Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
---
fs/fuse/file.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index b12b3cb96450..1cf11ba556f9 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1791,11 +1791,14 @@ __releases(fi->lock)
__acquires(fi->lock)
{
struct fuse_inode *fi = get_fuse_inode(wpa->inode);
+ struct fuse_args_pages *ap = &wpa->ia.ap;
struct fuse_write_in *inarg = &wpa->ia.write.in;
- struct fuse_args *args = &wpa->ia.ap.args;
- /* Currently, all folios in FUSE are one page */
- __u64 data_size = wpa->ia.ap.num_folios * PAGE_SIZE;
- int err;
+ struct fuse_args *args = &ap->args;
+ __u64 data_size = 0;
+ int err, i;
+
+ for (i = 0; i < ap->num_folios; i++)
+ data_size += ap->descs[i].length;

fi->writectr++;
if (inarg->offset + data_size <= size) {
--
2.43.5