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hw/9pfs: Add st_gen support in getattr reply

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This patch use file system specific ioctl for getting i_generation
value. Not all file system support the ioctl. So we add an export
specific extended operation and assign right callback for the
file system that support i_generation ioctl

["M. Mohan Kumar" <mohan@in.ibm.com> we can do ioctl only for
regular files and directories on the server]

Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
Harsh Prateek Bora 2011-10-12 19:11:25 +05:30 • committed by Aneesh Kumar K.V
parent 9844081bca
commit e06a765efb
7 changed files with 116 additions and 1 deletions
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2
hw/9pfs/virtio-9p-device.c
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@ -117,6 +117,8 @@ VirtIODevice *virtio_9p_init(DeviceState *dev, V9fsConf *conf)
s->ctx.export_flags = fse->export_flags;
s->ctx.fs_root = g_strdup(fse->path);
s->ctx.exops.get_st_gen = NULL;
len = strlen(conf->tag);
if (len > MAX_TAG_LEN) {
fprintf(stderr, "mount tag '%s' (%d bytes) is longer than "