Patchwork [16/17] virtio-9p: Add support for hardlink

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Submitter Anthony Liguori
Date March 3, 2010, 7:01 p.m.
Message ID <1267642874-15001-18-git-send-email-aliguori@us.ibm.com>
Download mbox | patch
Permalink /patch/46862/
State New
Headers show

Comments

Anthony Liguori - March 3, 2010, 7:01 p.m.
From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

link count for files and directories are encoded as
a tagged string in the extension field for a .u protocol
extension.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 hw/virtio-9p.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index 65f5827..8a96645 100644
--- a/hw/virtio-9p.c
+++ b/hw/virtio-9p.c
@@ -676,6 +676,9 @@  static void stat_to_v9stat(V9fsState *s, V9fsString *name,
 	    v9fs_string_sprintf(&v9stat->extension, "%c %u %u",
 				S_ISCHR(stbuf->st_mode) ? 'c' : 'b',
 				major(stbuf->st_rdev), minor(stbuf->st_rdev));
+	} else if (S_ISDIR(stbuf->st_mode) || S_ISREG(stbuf->st_mode)) {
+		v9fs_string_sprintf(&v9stat->extension, "%s %u",
+				"HARDLINKCOUNT", stbuf->st_nlink);
 	}
     }