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? Thanks, Miklos
