xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NFSv4: Further clean-ups of delegation stateid validation

Browse Source 
Change the name to reflect what we're really doing: testing two
stateids for whether or not they match according the the rules in
RFC3530 and RFC5661.
Move the code from callback_proc.c to nfs4proc.c

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2012-03-04 18:13:56 -05:00
parent 8e663f0e5f
commit 36281caa83
4 changed files with 27 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
fs/nfs/nfs4proc.c
View File

@@ -6271,8 +6271,31 @@ static int nfs41_free_stateid(struct nfs_server *server, nfs4_stateid *stateid)
} while (exception.retry);
return err;
}
static bool nfs41_match_stateid(const nfs4_stateid *s1,
const nfs4_stateid *s2)
{
if (memcmp(s1->stateid.other, s2->stateid.other,
sizeof(s1->stateid.other)) != 0)
return false;
if (s1->stateid.seqid == s2->stateid.seqid)
return true;
if (s1->stateid.seqid == 0 || s2->stateid.seqid == 0)
return true;
return false;
}
#endif /* CONFIG_NFS_V4_1 */
static bool nfs4_match_stateid(const nfs4_stateid *s1,
const nfs4_stateid *s2)
{
return memcmp(s1->data, s2->data, sizeof(s1->data)) == 0;
}
struct nfs4_state_recovery_ops nfs40_reboot_recovery_ops = {
.owner_flag_bit = NFS_OWNER_RECLAIM_REBOOT,
.state_flag_bit = NFS_STATE_RECLAIM_REBOOT,
@@ -6331,7 +6354,7 @@ struct nfs4_state_maintenance_ops nfs41_state_renewal_ops = {
static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = {
.minor_version = 0,
.call_sync = _nfs4_call_sync,
.validate_stateid = nfs4_validate_delegation_stateid,
.match_stateid = nfs4_match_stateid,
.find_root_sec = nfs4_find_root_sec,
.reboot_recovery_ops = &nfs40_reboot_recovery_ops,
.nograce_recovery_ops = &nfs40_nograce_recovery_ops,
@@ -6342,7 +6365,7 @@ static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = {
static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = {
.minor_version = 1,
.call_sync = _nfs4_call_sync_session,
.validate_stateid = nfs41_validate_delegation_stateid,
.match_stateid = nfs41_match_stateid,
.find_root_sec = nfs41_find_root_sec,
.reboot_recovery_ops = &nfs41_reboot_recovery_ops,
.nograce_recovery_ops = &nfs41_nograce_recovery_ops,