1 files changed, 32 insertions, 6 deletions

diff --git a/fs/exofs/ios.c b/fs/exofs/ios.c
index 5bad01fa1f9f..3cc0dd3f0eb2 100644
--- a/fs/exofs/ios.c
+++ b/fs/exofs/ios.c
@@ -26,6 +26,9 @@
 
 #include "exofs.h"
 
+#define EXOFS_DBGMSG2(M...) do {} while (0)
+/* #define EXOFS_DBGMSG2 EXOFS_DBGMSG */
+
 void exofs_make_credential(u8 cred_a[OSD_CAP_LEN], const struct osd_obj_id *obj)
 {
         osd_sec_init_nosec_doall_caps(cred_a, obj, false, true);
@@ -73,6 +76,8 @@ int exofs_get_io_state(struct exofs_sb_info *sbi, struct exofs_io_state** pios)
          */
         ios = kzalloc(exofs_io_state_size(sbi->s_numdevs), GFP_KERNEL);
         if (unlikely(!ios)) {
+                EXOFS_DBGMSG("Faild kzalloc bytes=%d\n",
+                             exofs_io_state_size(sbi->s_numdevs));
                 *pios = NULL;
                 return -ENOMEM;
         }
@@ -276,6 +281,9 @@ int exofs_sbi_write(struct exofs_io_state *ios)
                                 bio = bio_kmalloc(GFP_KERNEL,
                                                   ios->bio->bi_max_vecs);
                                 if (unlikely(!bio)) {
+                                        EXOFS_DBGMSG(
+                                              "Faild to allocate BIO size=%u\n",
+                                              ios->bio->bi_max_vecs);
                                         ret = -ENOMEM;
                                         goto out;
                                 }
@@ -290,14 +298,21 @@ int exofs_sbi_write(struct exofs_io_state *ios)
 
                         osd_req_write(or, &ios->obj, ios->offset, bio,
                                       ios->length);
-/*                      EXOFS_DBGMSG("write sync=%d\n", sync);*/
+                        EXOFS_DBGMSG("write(0x%llx) offset=0x%llx "
+                                      "length=0x%llx dev=%d\n",
+                                     _LLU(ios->obj.id), _LLU(ios->offset),
+                                     _LLU(ios->length), i);
                 } else if (ios->kern_buff) {
                         osd_req_write_kern(or, &ios->obj, ios->offset,
                                            ios->kern_buff, ios->length);
-/*                      EXOFS_DBGMSG("write_kern sync=%d\n", sync);*/
+                        EXOFS_DBGMSG2("write_kern(0x%llx) offset=0x%llx "
+                                      "length=0x%llx dev=%d\n",
+                                     _LLU(ios->obj.id), _LLU(ios->offset),
+                                     _LLU(ios->length), i);
                 } else {
                         osd_req_set_attributes(or, &ios->obj);
-/*                      EXOFS_DBGMSG("set_attributes sync=%d\n", sync);*/
+                        EXOFS_DBGMSG2("obj(0x%llx) set_attributes=%d dev=%d\n",
+                                     _LLU(ios->obj.id), ios->out_attr_len, i);
                 }
 
                 if (ios->out_attr)
@@ -335,14 +350,25 @@ int exofs_sbi_read(struct exofs_io_state *ios)
                 if (ios->bio) {
                         osd_req_read(or, &ios->obj, ios->offset, ios->bio,
                                      ios->length);
-/*                      EXOFS_DBGMSG("read sync=%d\n", sync);*/
+                        EXOFS_DBGMSG("read(0x%llx) offset=0x%llx length=0x%llx"
+                                      " dev=%d\n", _LLU(ios->obj.id),
+                                     _LLU(ios->offset),
+                                     _LLU(ios->length),
+                                     first_dev);
                 } else if (ios->kern_buff) {
                         osd_req_read_kern(or, &ios->obj, ios->offset,
                                            ios->kern_buff, ios->length);
-/*                      EXOFS_DBGMSG("read_kern sync=%d\n", sync);*/
+                        EXOFS_DBGMSG2("read_kern(0x%llx) offset=0x%llx "
+                                      "length=0x%llx dev=%d\n",
+                                     _LLU(ios->obj.id),
+                                     _LLU(ios->offset),
+                                     _LLU(ios->length),
+                                     first_dev);
                 } else {
                         osd_req_get_attributes(or, &ios->obj);
-/*                      EXOFS_DBGMSG("get_attributes sync=%d\n", sync);*/
+                        EXOFS_DBGMSG2("obj(0x%llx) get_attributes=%d dev=%d\n",
+                                     _LLU(ios->obj.id), ios->in_attr_len,
+                                     first_dev);
                 }
 
                 if (ios->out_attr)