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authorSteve French <smfrench@gmail.com>2013-06-19 14:15:30 -0500
committerSteve French <smfrench@gmail.com>2013-06-24 01:56:46 -0500
commit769ee6a4024434d1960acafd7adde38538bbe3da (patch)
tree6155f68bdfce210b203c2a8a93e99c48815c7f76 /fs/cifs/smb2ops.c
parent2b5dc286da3917435106da6431e8d06209b01953 (diff)
Add ability to dipslay SMB3 share flags and capabilities for debugging
SMB3 protocol adds various optional per-share capabilities (and SMB3.02 adds one more beyond that). Add ability to dump (/proc/fs/cifs/DebugData) the share capabilities and share flags to improve debugging. Signed-off-by: Steve French <smfrench@gmail.com> Acked-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'fs/cifs/smb2ops.c')
-rw-r--r--fs/cifs/smb2ops.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 14539c71e6e6..76df656e4b2d 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -281,6 +281,25 @@ smb2_clear_stats(struct cifs_tcon *tcon)
}
static void
+smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon)
+{
+ seq_puts(m, "\n\tShare Capabilities:");
+ if (tcon->capabilities & SMB2_SHARE_CAP_DFS)
+ seq_puts(m, " DFS,");
+ if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY)
+ seq_puts(m, " CONTINUOUS AVAILABILITY,");
+ if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT)
+ seq_puts(m, " SCALEOUT,");
+ if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER)
+ seq_puts(m, " CLUSTER,");
+ if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC)
+ seq_puts(m, " ASYMMETRIC,");
+ if (tcon->capabilities == 0)
+ seq_puts(m, " None");
+ seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags);
+}
+
+static void
smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
{
#ifdef CONFIG_CIFS_STATS
@@ -645,6 +664,7 @@ struct smb_version_operations smb30_operations = {
.dump_detail = smb2_dump_detail,
.clear_stats = smb2_clear_stats,
.print_stats = smb2_print_stats,
+ .dump_share_caps = smb2_dump_share_caps,
.is_oplock_break = smb2_is_valid_oplock_break,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,