diff options
| -rw-r--r-- | xlators/cluster/afr/src/afr-self-heal-entry.c | 183 |
1 files changed, 172 insertions, 11 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c index cccce5db7..c86d178b7 100644 --- a/xlators/cluster/afr/src/afr-self-heal-entry.c +++ b/xlators/cluster/afr/src/afr-self-heal-entry.c @@ -59,6 +59,9 @@ } while (0); int +afr_sh_entry_impunge_create_file (call_frame_t *impunge_frame, xlator_t *this, + int child_index); +int afr_sh_entry_done (call_frame_t *frame, xlator_t *this) { afr_local_t *local = NULL; @@ -1194,6 +1197,120 @@ out: return 0; } +int +afr_sh_entry_impunge_hardlink_cbk (call_frame_t *impunge_frame, void *cookie, + xlator_t *this, int32_t op_ret, + int32_t op_errno, inode_t *inode, + struct iatt *buf, struct iatt *preparent, + struct iatt *postparent) +{ + int call_count = 0; + call_frame_t *frame = NULL; + afr_local_t *impunge_local = NULL; + afr_local_t *local = NULL; + afr_self_heal_t *impunge_sh = NULL; + afr_self_heal_t *sh = NULL; + + AFR_INIT_SH_FRAME_VALS (impunge_frame, impunge_local, impunge_sh, + frame, local, sh); + + call_count = afr_frame_return (impunge_frame); + if (call_count == 0) + sh->impunge_done (frame, this, op_ret, op_errno); + + return 0; +} + +int +afr_sh_entry_impunge_hardlink (call_frame_t *impunge_frame, xlator_t *this, + int child_index) +{ + afr_private_t *priv = NULL; + afr_local_t *impunge_local = NULL; + afr_self_heal_t *impunge_sh = NULL; + loc_t *loc = NULL; + struct iatt *buf = NULL; + loc_t oldloc = {0}; + + priv = this->private; + impunge_local = impunge_frame->local; + impunge_sh = &impunge_local->self_heal; + loc = &impunge_local->loc; + buf = &impunge_sh->entrybuf; + + oldloc.inode = inode_ref (loc->inode); + uuid_copy (oldloc.gfid, buf->ia_gfid); + gf_log (this->name, GF_LOG_DEBUG, "linking missing file %s on %s", + loc->path, priv->children[child_index]->name); + + STACK_WIND_COOKIE (impunge_frame, afr_sh_entry_impunge_hardlink_cbk, + (void *) (long) child_index, + priv->children[child_index], + priv->children[child_index]->fops->link, + &oldloc, loc); + loc_wipe (&oldloc); + + return 0; +} + +int +afr_sh_nameless_lookup_cbk (call_frame_t *impunge_frame, void *cookie, + xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct iatt *buf, dict_t *xattr, + struct iatt *postparent) +{ + if (op_ret < 0) { + afr_sh_entry_impunge_create_file (impunge_frame, this, + (long)cookie); + } else { + afr_sh_entry_impunge_hardlink (impunge_frame, this, + (long)cookie); + } + return 0; +} + +int +afr_sh_entry_impunge_check_hardlink (call_frame_t *impunge_frame, + xlator_t *this, + int child_index, struct iatt *stbuf) +{ + afr_private_t *priv = NULL; + call_frame_t *frame = NULL; + afr_local_t *impunge_local = NULL; + afr_local_t *local = NULL; + afr_self_heal_t *impunge_sh = NULL; + afr_self_heal_t *sh = NULL; + loc_t *loc = NULL; + dict_t *xattr_req = NULL; + loc_t oldloc = {0}; + int ret = -1; + + priv = this->private; + AFR_INIT_SH_FRAME_VALS (impunge_frame, impunge_local, impunge_sh, + frame, local, sh); + loc = &impunge_local->loc; + + xattr_req = dict_new (); + if (!xattr_req) + goto out; + oldloc.inode = inode_ref (loc->inode); + uuid_copy (oldloc.gfid, stbuf->ia_gfid); + + STACK_WIND_COOKIE (impunge_frame, afr_sh_nameless_lookup_cbk, + (void *) (long) child_index, + priv->children[child_index], + priv->children[child_index]->fops->lookup, + &oldloc, xattr_req); + ret = 0; +out: + if (xattr_req) + dict_unref (xattr_req); + loc_wipe (&oldloc); + if (ret) + sh->impunge_done (frame, this, -1, ENOMEM); + return 0; +} int afr_sh_entry_impunge_mknod (call_frame_t *impunge_frame, xlator_t *this, @@ -1573,16 +1690,18 @@ int afr_sh_entry_impunge_create (call_frame_t *impunge_frame, xlator_t *this, int child_index) { - afr_local_t *impunge_local = NULL; - afr_self_heal_t *impunge_sh = NULL; + call_frame_t *frame = NULL; + afr_local_t *impunge_local = NULL; + afr_local_t *local = NULL; + afr_self_heal_t *impunge_sh = NULL; + afr_self_heal_t *sh = NULL; afr_private_t *priv = NULL; ia_type_t type = IA_INVAL; - int ret = 0; int active_src = 0; struct iatt *buf = NULL; - impunge_local = impunge_frame->local; - impunge_sh = &impunge_local->self_heal; + AFR_INIT_SH_FRAME_VALS (impunge_frame, impunge_local, impunge_sh, + frame, local, sh); active_src = impunge_sh->active_source; afr_update_loc_gfids (&impunge_local->loc, &impunge_sh->entrybuf, &impunge_sh->parentbuf); @@ -1596,6 +1715,52 @@ afr_sh_entry_impunge_create (call_frame_t *impunge_frame, xlator_t *this, case IA_IFBLK: case IA_IFCHR: case IA_IFIFO: + case IA_IFLNK: + afr_sh_entry_impunge_check_hardlink (impunge_frame, this, + child_index, buf); + break; + case IA_IFDIR: + afr_sh_entry_impunge_mkdir (impunge_frame, this, + child_index, buf); + break; + default: + gf_log (this->name, GF_LOG_ERROR, + "%s has unknown file type on %s: 0%o", + impunge_local->loc.path, + priv->children[active_src]->name, type); + sh->impunge_done (frame, this, -1, EINVAL); + break; + } + + return 0; +} + +int +afr_sh_entry_impunge_create_file (call_frame_t *impunge_frame, xlator_t *this, + int child_index) +{ + call_frame_t *frame = NULL; + afr_local_t *impunge_local = NULL; + afr_local_t *local = NULL; + afr_self_heal_t *impunge_sh = NULL; + afr_self_heal_t *sh = NULL; + afr_private_t *priv = NULL; + ia_type_t type = IA_INVAL; + int active_src = 0; + struct iatt *buf = NULL; + + AFR_INIT_SH_FRAME_VALS (impunge_frame, impunge_local, impunge_sh, + frame, local, sh); + active_src = impunge_sh->active_source; + buf = &impunge_sh->entrybuf; + type = buf->ia_type; + + switch (type) { + case IA_IFSOCK: + case IA_IFREG: + case IA_IFBLK: + case IA_IFCHR: + case IA_IFIFO: afr_sh_entry_impunge_mknod (impunge_frame, this, child_index, buf); break; @@ -1603,20 +1768,16 @@ afr_sh_entry_impunge_create (call_frame_t *impunge_frame, xlator_t *this, afr_sh_entry_impunge_readlink (impunge_frame, this, child_index, buf); break; - case IA_IFDIR: - afr_sh_entry_impunge_mkdir (impunge_frame, this, - child_index, buf); - break; default: gf_log (this->name, GF_LOG_ERROR, "%s has unknown file type on %s: 0%o", impunge_local->loc.path, priv->children[active_src]->name, type); - ret = -1; + sh->impunge_done (frame, this, -1, EINVAL); break; } - return ret; + return 0; } gf_boolean_t |