From 154603fe3ec4620a4c229a127ddbccf5c69f9463 Mon Sep 17 00:00:00 2001 From: Alan Somers Date: Fri, 19 Apr 2019 15:42:44 -0600 Subject: [PATCH] fuse: document fuse_fsync_in.fsync_flags The FUSE_FSYNC_DATASYNC flag was introduced by commit b6aeadeda22a ("[PATCH] FUSE - file operations") as a magic number. No new values have been added to fsync_flags since. Signed-off-by: Alan Somers Signed-off-by: Miklos Szeredi --- fs/fuse/file.c | 2 +- include/uapi/linux/fuse.h | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 92ee15dda4c7..1f9da7a5ad0d 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -464,7 +464,7 @@ int fuse_fsync_common(struct file *file, loff_t start, loff_t end, memset(&inarg, 0, sizeof(inarg)); inarg.fh = ff->fh; - inarg.fsync_flags = datasync ? 1 : 0; + inarg.fsync_flags = datasync ? FUSE_FSYNC_FDATASYNC : 0; args.in.h.opcode = opcode; args.in.h.nodeid = get_node_id(inode); args.in.numargs = 1; diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index 17afe2dd8d1c..59d5048df41e 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -360,6 +360,13 @@ struct fuse_file_lock { */ #define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0) +/** + * Fsync flags + * + * FUSE_FSYNC_FDATASYNC: Sync data only, not metadata + */ +#define FUSE_FSYNC_FDATASYNC (1 << 0) + enum fuse_opcode { FUSE_LOOKUP = 1, FUSE_FORGET = 2, /* no reply */ -- GitLab