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LU-8856 osd: mark specific transactions netfree
[fs/lustre-release.git] / lustre / utils / liblustreapi_hsm.c
index 486be87..d3dc449 100644 (file)
@@ -6,7 +6,7 @@
  * (C) Copyright 2012 Commissariat a l'energie atomique et aux energies
  *     alternatives
  *
- * Copyright (c) 2013, 2016, Intel Corporation.
+ * Copyright (c) 2013, 2017, Intel Corporation.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the GNU Lesser General Public License
@@ -78,6 +78,7 @@ struct hsm_copytool_private {
 #define CP_PRIV_MAGIC 0x19880429
 struct hsm_copyaction_private {
        __u32                                    magic;
+       __u32                                    source_fd;
        __s32                                    data_fd;
        const struct hsm_copytool_private       *ct_priv;
        struct hsm_copy                          copy;
@@ -1099,13 +1100,15 @@ int llapi_hsm_action_begin(struct hsm_copyaction_private **phcp,
                           int restore_mdt_index, int restore_open_flags,
                           bool is_error)
 {
-       struct hsm_copyaction_private   *hcp;
-       int                              rc;
+       struct hsm_copyaction_private *hcp;
+       int fd;
+       int rc;
 
        hcp = calloc(1, sizeof(*hcp));
        if (hcp == NULL)
                return -ENOMEM;
 
+       hcp->source_fd = -1;
        hcp->data_fd = -1;
        hcp->ct_priv = ct;
        hcp->copy.hc_hai = *hai;
@@ -1114,7 +1117,16 @@ int llapi_hsm_action_begin(struct hsm_copyaction_private **phcp,
        if (is_error)
                goto ok_out;
 
-       if (hai->hai_action == HSMA_RESTORE) {
+       if (hai->hai_action == HSMA_ARCHIVE) {
+               fd = ct_open_by_fid(hcp->ct_priv, &hai->hai_dfid,
+                               O_RDONLY | O_NOATIME | O_NOFOLLOW | O_NONBLOCK);
+               if (fd < 0) {
+                       rc = fd;
+                       goto err_out;
+               }
+
+               hcp->source_fd = fd;
+       } else if (hai->hai_action == HSMA_RESTORE) {
                rc = ct_md_getattr(hcp->ct_priv, &hai->hai_fid, &hcp->stat);
                if (rc < 0)
                        goto err_out;
@@ -1123,12 +1135,11 @@ int llapi_hsm_action_begin(struct hsm_copyaction_private **phcp,
                                             restore_open_flags);
                if (rc < 0)
                        goto err_out;
-       }
-
-       /* Since remove is atomic there is no need to send an initial
-        * MDS_HSM_PROGRESS RPC. */
-       if (hai->hai_action == HSMA_REMOVE)
+       } else if (hai->hai_action == HSMA_REMOVE) {
+               /* Since remove is atomic there is no need to send an
+                * initial MDS_HSM_PROGRESS RPC. */
                goto out_log;
+       }
 
        rc = ioctl(ct->mnt_fd, LL_IOC_HSM_COPY_START, &hcp->copy);
        if (rc < 0) {
@@ -1145,6 +1156,9 @@ ok_out:
        return 0;
 
 err_out:
+       if (!(hcp->source_fd < 0))
+               close(hcp->source_fd);
+
        if (!(hcp->data_fd < 0))
                close(hcp->data_fd);
 
@@ -1226,6 +1240,9 @@ end:
        llapi_hsm_log_ct_progress(&hcp, hai, CT_FINISH, 0, 0);
 
 err_cleanup:
+       if (!(hcp->source_fd < 0))
+               close(hcp->source_fd);
+
        if (!(hcp->data_fd < 0))
                close(hcp->data_fd);
 
@@ -1311,8 +1328,8 @@ int llapi_hsm_action_get_fd(const struct hsm_copyaction_private *hcp)
                return -EINVAL;
 
        if (hai->hai_action == HSMA_ARCHIVE) {
-               return ct_open_by_fid(hcp->ct_priv, &hai->hai_dfid,
-                               O_RDONLY | O_NOATIME | O_NOFOLLOW | O_NONBLOCK);
+               fd = dup(hcp->source_fd);
+               return fd < 0 ? -errno : fd;
        } else if (hai->hai_action == HSMA_RESTORE) {
                fd = dup(hcp->data_fd);
                return fd < 0 ? -errno : fd;