diff options
author | Kevin Krakauer <krakauer@google.com> | 2020-01-21 13:16:25 -0800 |
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committer | Kevin Krakauer <krakauer@google.com> | 2020-01-21 13:16:25 -0800 |
commit | 62357a0afb5f4128a11dc9a1dfadd2957ec39e2d (patch) | |
tree | 2f93dc1bb5680434f3bcd69df60d45af89777a94 /pkg/p9/file.go | |
parent | bd292894097ffdf316bc78d81aebd0a2988124f3 (diff) | |
parent | 2ba6198851dc1e293295d7cadf8c0ae456b68beb (diff) |
Merge branch 'master' into iptables-write-filter-proto
Diffstat (limited to 'pkg/p9/file.go')
-rw-r--r-- | pkg/p9/file.go | 16 |
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 |