Author: jhb
Date: Tue Dec 19 19:09:06 2017
New Revision: 326988
URL: https://svnweb.freebsd.org/changeset/base/326988
Log:
Add a custom VOP_PATHCONF method for fuse.
This method handles _PC_FILESIZEBITS, _PC_SYMLINK_MAX, and _PC_NO_TRUNC.
For other values it defers to vop_stdpathconf().
MFC after: 1 month
Sponsored by: Chelsio Communications
Modified:
head/sys/fs/fuse/fuse_vnops.c
Modified: head/sys/fs/fuse/fuse_vnops.c
==============================================================================
--- head/sys/fs/fuse/fuse_vnops.c Tue Dec 19 19:07:24 2017
(r326987)
+++ head/sys/fs/fuse/fuse_vnops.c Tue Dec 19 19:09:06 2017
(r326988)
@@ -126,6 +126,7 @@ static vop_lookup_t fuse_vnop_lookup;
static vop_mkdir_t fuse_vnop_mkdir;
static vop_mknod_t fuse_vnop_mknod;
static vop_open_t fuse_vnop_open;
+static vop_pathconf_t fuse_vnop_pathconf;
static vop_read_t fuse_vnop_read;
static vop_readdir_t fuse_vnop_readdir;
static vop_readlink_t fuse_vnop_readlink;
@@ -158,7 +159,7 @@ struct vop_vector fuse_vnops = {
.vop_mkdir = fuse_vnop_mkdir,
.vop_mknod = fuse_vnop_mknod,
.vop_open = fuse_vnop_open,
- .vop_pathconf = vop_stdpathconf,
+ .vop_pathconf = fuse_vnop_pathconf,
.vop_read = fuse_vnop_read,
.vop_readdir = fuse_vnop_readdir,
.vop_readlink = fuse_vnop_readlink,
@@ -1173,6 +1174,25 @@ fuse_vnop_open(struct vop_open_args *ap)
error = fuse_filehandle_open(vp, fufh_type, NULL, td, cred);
return error;
+}
+
+static int
+fuse_vnop_pathconf(struct vop_pathconf_args *ap)
+{
+
+ switch (ap->a_name) {
+ case _PC_FILESIZEBITS:
+ *ap->a_retval = 64;
+ return (0);
+ case _PC_SYMLINK_MAX:
+ *ap->a_retval = MAXPATHLEN;
+ return (0);
+ case _PC_NO_TRUNC:
+ *ap->a_retval = 1;
+ return (0);
+ default:
+ return (vop_stdpathconf(ap));
+ }
}
/*
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