On Mon, Aug 4, 2025 at 10:11 PM Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > > On Mon, 4 Aug 2025 at 23:10, Joanne Koong <joannelkoong@xxxxxxxxx> wrote: > > > > With fuse using iomap, which relies on inode->i_blkbits for its internal > > bitmap tracking, disallow fuse servers from dynamically changing the > > inode blocksize. > > > > "attr->blksize = sx->blksize;" is retained in fuse_statx_to_attr() so > > that any attempts by the server to change the blksize through the statx > > reply is surfaced to dmesg. > > I expect no big breakage, but I'm quite sure that message will scare > some people for no good reason. I'd just keep a copy of attr->blksize > in fuse_inode and present that in stx_blksize, while keeping the > internal i_blkbits consistent. > > Thoughts? That sounds great and will make things simpler. We don't need the 2nd patch then, I'll drop that in v2. Thanks, Joanne > > Thanks, > Miklos
