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authorKevin Krakauer <krakauer@google.com>2020-01-21 13:16:25 -0800
committerKevin Krakauer <krakauer@google.com>2020-01-21 13:16:25 -0800
commit62357a0afb5f4128a11dc9a1dfadd2957ec39e2d (patch)
tree2f93dc1bb5680434f3bcd69df60d45af89777a94 /pkg/p9/file.go
parentbd292894097ffdf316bc78d81aebd0a2988124f3 (diff)
parent2ba6198851dc1e293295d7cadf8c0ae456b68beb (diff)
Merge branch 'master' into iptables-write-filter-proto
Diffstat (limited to 'pkg/p9/file.go')
-rw-r--r--pkg/p9/file.go16
1 files changed, 16 insertions, 0 deletions
diff --git a/pkg/p9/file.go b/pkg/p9/file.go
index 96d1f2a8e..4607cfcdf 100644
--- a/pkg/p9/file.go
+++ b/pkg/p9/file.go
@@ -89,6 +89,22 @@ type File interface {
// On the server, SetAttr has a write concurrency guarantee.
SetAttr(valid SetAttrMask, attr SetAttr) error
+ // GetXattr returns extended attributes of this node.
+ //
+ // Size indicates the size of the buffer that has been allocated to hold the
+ // attribute value. If the value is larger than size, implementations may
+ // return ERANGE to indicate that the buffer is too small, but they are also
+ // free to ignore the hint entirely (i.e. the value returned may be larger
+ // than size). All size checking is done independently at the syscall layer.
+ //
+ // TODO(b/127675828): Determine concurrency guarantees once implemented.
+ GetXattr(name string, size uint64) (string, error)
+
+ // SetXattr sets extended attributes on this node.
+ //
+ // TODO(b/127675828): Determine concurrency guarantees once implemented.
+ SetXattr(name, value string, flags uint32) error
+
// Allocate allows the caller to directly manipulate the allocated disk space
// for the file. See fallocate(2) for more details.
Allocate(mode AllocateMode, offset, length uint64) error