[libvirt] [PATCH 2/3] storage: Use path instead of volume as an argument

Martin Kletzander mkletzan at redhat.com
Mon Aug 1 13:12:01 UTC 2016


Some functions use volume specification merely to use the target path
from it.  Let's change it to pass the path only so that it can be used
for other files than just volumes.

Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
---
 src/storage/storage_backend.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index e0bba364f98e..b7c7af298f29 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -2319,7 +2319,7 @@ virStorageBackendVolDownloadLocal(virConnectPtr conn ATTRIBUTE_UNUSED,
  * appear as if it were zero-filled.
  */
 static int
-virStorageBackendVolZeroSparseFileLocal(virStorageVolDefPtr vol,
+virStorageBackendVolZeroSparseFileLocal(const char *path,
                                         off_t size,
                                         int fd)
 {
@@ -2327,7 +2327,7 @@ virStorageBackendVolZeroSparseFileLocal(virStorageVolDefPtr vol,
         virReportSystemError(errno,
                              _("Failed to truncate volume with "
                                "path '%s' to 0 bytes"),
-                             vol->target.path);
+                             path);
         return -1;
     }

@@ -2335,7 +2335,7 @@ virStorageBackendVolZeroSparseFileLocal(virStorageVolDefPtr vol,
         virReportSystemError(errno,
                              _("Failed to truncate volume with "
                                "path '%s' to %ju bytes"),
-                             vol->target.path, (uintmax_t)size);
+                             path, (uintmax_t)size);
         return -1;
     }

@@ -2344,7 +2344,7 @@ virStorageBackendVolZeroSparseFileLocal(virStorageVolDefPtr vol,


 static int
-virStorageBackendWipeLocal(virStorageVolDefPtr vol,
+virStorageBackendWipeLocal(const char *path,
                            int fd,
                            unsigned long long wipe_len,
                            size_t writebuf_length)
@@ -2363,7 +2363,7 @@ virStorageBackendWipeLocal(virStorageVolDefPtr vol,
         virReportSystemError(errno,
                              _("Failed to seek to the start in volume "
                                "with path '%s'"),
-                             vol->target.path);
+                             path);
         goto cleanup;
     }

@@ -2376,7 +2376,7 @@ virStorageBackendWipeLocal(virStorageVolDefPtr vol,
             virReportSystemError(errno,
                                  _("Failed to write %zu bytes to "
                                    "storage volume with path '%s'"),
-                                 write_size, vol->target.path);
+                                 write_size, path);

             goto cleanup;
         }
@@ -2387,12 +2387,11 @@ virStorageBackendWipeLocal(virStorageVolDefPtr vol,
     if (fdatasync(fd) < 0) {
         virReportSystemError(errno,
                              _("cannot sync data to volume with path '%s'"),
-                             vol->target.path);
+                             path);
         goto cleanup;
     }

-    VIR_DEBUG("Wrote %llu bytes to volume with path '%s'",
-              wipe_len, vol->target.path);
+    VIR_DEBUG("Wrote %llu bytes to volume with path '%s'", wipe_len, path);

     ret = 0;

@@ -2496,9 +2495,9 @@ virStorageBackendVolWipeLocal(virConnectPtr conn ATTRIBUTE_UNUSED,
         ret = 0;
     } else {
         if (S_ISREG(st.st_mode) && st.st_blocks < (st.st_size / DEV_BSIZE)) {
-            ret = virStorageBackendVolZeroSparseFileLocal(vol, st.st_size, fd);
+            ret = virStorageBackendVolZeroSparseFileLocal(path, st.st_size, fd);
         } else {
-            ret = virStorageBackendWipeLocal(vol,
+            ret = virStorageBackendWipeLocal(path,
                                              fd,
                                              vol->target.allocation,
                                              st.st_blksize);
-- 
2.9.2




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