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Add support for IO_APPEND flag in fuse

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This make open(..., O_APPEND) actually works on fuse filesystem.

Reviewed by:	attilio
This commit is contained in:
Baptiste Daroussin 2013-01-08 12:21:50 +00:00
parent b8f699e9a8
commit 3d94054c30
1 changed files with 5 additions and 3 deletions
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8
sys/fs/fuse/fuse_io.c
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@ -113,7 +113,7 @@ fuse_write_directbackend(struct vnode *vp, struct uio *uio,
struct ucred *cred, struct fuse_filehandle *fufh);
static int
fuse_write_biobackend(struct vnode *vp, struct uio *uio,
struct ucred *cred, struct fuse_filehandle *fufh);
struct ucred *cred, struct fuse_filehandle *fufh, int ioflag);
int
fuse_io_dispatch(struct vnode *vp, struct uio *uio, int ioflag,
@ -162,7 +162,7 @@ fuse_io_dispatch(struct vnode *vp, struct uio *uio, int ioflag,
} else {
FS_DEBUG("buffered write of vnode %ju\n",
(uintmax_t)VTOILLU(vp));
err = fuse_write_biobackend(vp, uio, cred, fufh);
err = fuse_write_biobackend(vp, uio, cred, fufh, ioflag);
}
break;
default:
@ -371,7 +371,7 @@ fuse_write_directbackend(struct vnode *vp, struct uio *uio,
static int
fuse_write_biobackend(struct vnode *vp, struct uio *uio,
struct ucred *cred, struct fuse_filehandle *fufh)
struct ucred *cred, struct fuse_filehandle *fufh, int ioflag)
{
struct fuse_vnode_data *fvdat = VTOFUD(vp);
struct buf *bp;
@ -390,6 +390,8 @@ fuse_write_biobackend(struct vnode *vp, struct uio *uio,
return (EINVAL);
if (uio->uio_resid == 0)
return (0);
if (ioflag & IO_APPEND)
uio_setoffset(uio, fvdat->filesize);
/*
* Find all of this file's B_NEEDCOMMIT buffers. If our writes