diff options
Diffstat (limited to 'kernel/inode.c')
| -rw-r--r-- | kernel/inode.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/kernel/inode.c b/kernel/inode.c index f10990f..00a13cc 100644 --- a/kernel/inode.c +++ b/kernel/inode.c @@ -646,6 +646,19 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req) if (req->out.h.error || arg->major != FUSE_KERNEL_VERSION) fc->conn_error = 1; else { +#ifdef KERNEL_2_6 + unsigned long ra_pages; + + if (arg->minor >= 6) { + ra_pages = arg->max_readahead / PAGE_CACHE_SIZE; + fc->async_read = arg->flags & FUSE_ASYNC_READ; + } else { + ra_pages = fc->max_read / PAGE_CACHE_SIZE; + fc->async_read = 0; + } + + fc->bdi.ra_pages = min(fc->bdi.ra_pages, ra_pages); +#endif fc->minor = arg->minor; fc->max_write = arg->minor < 5 ? 4096 : arg->max_write; } @@ -669,6 +682,10 @@ static void fuse_send_init(struct fuse_conn *fc) arg->major = FUSE_KERNEL_VERSION; arg->minor = FUSE_KERNEL_MINOR_VERSION; +#ifdef KERNEL_2_6 + arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE; + arg->flags |= FUSE_ASYNC_READ; +#endif req->in.h.opcode = FUSE_INIT; req->in.numargs = 1; req->in.args[0].size = sizeof(*arg); @@ -732,10 +749,6 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) fc->user_id = d.user_id; fc->group_id = d.group_id; fc->max_read = d.max_read; -#ifdef KERNEL_2_6 - if (fc->max_read / PAGE_CACHE_SIZE < fc->bdi.ra_pages) - fc->bdi.ra_pages = fc->max_read / PAGE_CACHE_SIZE; -#endif /* Used by get_root_inode() */ sb->s_fs_info = fc; |