diff options
| -rw-r--r-- | fs/fuse/file.c | 33 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 4 | ||||
| -rw-r--r-- | include/linux/fuse.h | 7 |
3 files changed, 31 insertions, 13 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index c4c59c7d0038..2b589de044e8 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -443,30 +443,37 @@ out: return err; } -static size_t fuse_send_write(struct fuse_req *req, struct file *file, - struct inode *inode, loff_t pos, size_t count) +static void fuse_write_fill(struct fuse_req *req, struct fuse_file *ff, + struct inode *inode, loff_t pos, size_t count, + int writepage) { - struct fuse_conn *fc = get_fuse_conn(inode); - struct fuse_file *ff = file->private_data; - struct fuse_write_in inarg; - struct fuse_write_out outarg; + struct fuse_write_in *inarg = &req->misc.write.in; + struct fuse_write_out *outarg = &req->misc.write.out; - memset(&inarg, 0, sizeof(struct fuse_write_in)); - inarg.fh = ff->fh; - inarg.offset = pos; - inarg.size = count; + memset(inarg, 0, sizeof(struct fuse_write_in)); + inarg->fh = ff->fh; + inarg->offset = pos; + inarg->size = count; + inarg->write_flags = writepage ? FUSE_WRITE_CACHE : 0; req->in.h.opcode = FUSE_WRITE; req->in.h.nodeid = get_node_id(inode); req->in.argpages = 1; req->in.numargs = 2; req->in.args[0].size = sizeof(struct fuse_write_in); - req->in.args[0].value = &inarg; + req->in.args[0].value = inarg; req->in.args[1].size = count; req->out.numargs = 1; req->out.args[0].size = sizeof(struct fuse_write_out); - req->out.args[0].value = &outarg; + req->out.args[0].value = outarg; +} + +static size_t fuse_send_write(struct fuse_req *req, struct file *file, + struct inode *inode, loff_t pos, size_t count) +{ + struct fuse_conn *fc = get_fuse_conn(inode); + fuse_write_fill(req, file->private_data, inode, pos, count, 0); request_send(fc, req); - return outarg.size; + return req->misc.write.out.size; } static int fuse_write_begin(struct file *file, struct address_space *mapping, diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 5657cca0d0cb..8b64a630e758 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -219,6 +219,10 @@ struct fuse_req { struct fuse_init_in init_in; struct fuse_init_out init_out; struct fuse_read_in read_in; + struct { + struct fuse_write_in in; + struct fuse_write_out out; + } write; struct fuse_lk_in lk_in; } misc; diff --git a/include/linux/fuse.h b/include/linux/fuse.h index 015a8b15a388..6f4a31266cd5 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -119,6 +119,13 @@ struct fuse_file_lock { */ #define FUSE_LK_FLOCK (1 << 0) +/** + * WRITE flags + * + * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed + */ +#define FUSE_WRITE_CACHE (1 << 0) + enum fuse_opcode { FUSE_LOOKUP = 1, FUSE_FORGET = 2, /* no reply */ |