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net/9p: Implement attrwalk 9p call

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TXATTRWALK: Descend a ATTR namespace

 size[4] TXATTRWALK tag[2] fid[4] newfid[4] name[s]
 size[4] RXATTRWALK tag[2] size[8]

txattrwalk gets a fid pointing to xattr. This fid can later be
used to read the xattr value. If name is NULL the fid returned
can be used to get the list of extended attribute associated to
the file system object.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V
2010-05-31 13:22:45 +05:30
committed by Eric Van Hensbergen
parent ef56547efa
commit 0ef63f345c
3 changed files with 53 additions and 0 deletions
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2
include/net/9p/9p.h
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@@ -153,6 +153,8 @@ enum p9_msg_t {
P9_RGETATTR,
P9_TSETATTR = 26,
P9_RSETATTR,
P9_TXATTRWALK = 30,
P9_RXATTRWALK,
P9_TREADDIR = 40,
P9_RREADDIR,
P9_TLINK = 70,