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283 lines
11 KiB
283 lines
11 KiB
lib/activate/activate.c | 40 +++++++++++++++++++++++++--------------- |
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lib/activate/activate.h | 2 ++ |
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lib/activate/dev_manager.c | 28 +++++++++++++++++++--------- |
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lib/activate/dev_manager.h | 2 +- |
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4 files changed, 47 insertions(+), 25 deletions(-) |
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diff --git a/lib/activate/activate.c b/lib/activate/activate.c |
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index aba5d14..c395d58 100644 |
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--- a/lib/activate/activate.c |
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+++ b/lib/activate/activate.c |
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@@ -671,7 +671,7 @@ static int _lv_info(struct cmd_context *cmd, const struct logical_volume *lv, |
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int use_layer, struct lvinfo *info, |
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const struct lv_segment *seg, |
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struct lv_seg_status *seg_status, |
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- int with_open_count, int with_read_ahead) |
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+ int with_open_count, int with_read_ahead, int with_name_check) |
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{ |
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struct dm_info dminfo; |
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|
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@@ -691,7 +691,7 @@ static int _lv_info(struct cmd_context *cmd, const struct logical_volume *lv, |
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/* New thin-pool has no layer, but -tpool suffix needs to be queried */ |
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if (!use_layer && lv_is_new_thin_pool(lv)) { |
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/* Check if there isn't existing old thin pool mapping in the table */ |
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- if (!dev_manager_info(cmd, lv, NULL, 0, 0, &dminfo, NULL, NULL)) |
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+ if (!dev_manager_info(cmd, lv, NULL, 0, 0, 0, &dminfo, NULL, NULL)) |
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return_0; |
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if (!dminfo.exists) |
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use_layer = 1; |
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@@ -704,8 +704,9 @@ static int _lv_info(struct cmd_context *cmd, const struct logical_volume *lv, |
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|
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if (!dev_manager_info(cmd, lv, |
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(use_layer) ? lv_layer(lv) : NULL, |
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- with_open_count, with_read_ahead, |
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- &dminfo, (info) ? &info->read_ahead : NULL, |
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+ with_open_count, with_read_ahead, with_name_check, |
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+ &dminfo, |
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+ (info) ? &info->read_ahead : NULL, |
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seg_status)) |
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return_0; |
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@@ -734,7 +735,7 @@ int lv_info(struct cmd_context *cmd, const struct logical_volume *lv, int use_la |
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if (!activation()) |
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return 0; |
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- return _lv_info(cmd, lv, use_layer, info, NULL, NULL, with_open_count, with_read_ahead); |
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+ return _lv_info(cmd, lv, use_layer, info, NULL, NULL, with_open_count, with_read_ahead, 0); |
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} |
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int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s, int use_layer, |
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@@ -752,6 +753,15 @@ int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s, int use_layer, |
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return r; |
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} |
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+int lv_info_with_name_check(struct cmd_context *cmd, const struct logical_volume *lv, |
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+ int use_layer, struct lvinfo *info) |
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+{ |
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+ if (!activation()) |
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+ return 0; |
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+ |
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+ return _lv_info(cmd, lv, use_layer, info, NULL, NULL, 0, 0, 1); |
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+} |
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+ |
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/* |
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* Returns 1 if lv_with_info_and_seg_status info structure populated, |
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* else 0 on failure or if device not active locally. |
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@@ -779,16 +789,16 @@ int lv_info_with_seg_status(struct cmd_context *cmd, |
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* STATUS is collected from cache LV */ |
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if (!(lv_seg = get_only_segment_using_this_lv(lv))) |
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return_0; |
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- (void) _lv_info(cmd, lv_seg->lv, 1, NULL, lv_seg, &status->seg_status, 0, 0); |
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+ (void) _lv_info(cmd, lv_seg->lv, 1, NULL, lv_seg, &status->seg_status, 0, 0, 0); |
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return 1; |
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} |
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if (lv_is_thin_pool(lv)) { |
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/* Always collect status for '-tpool' */ |
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- if (_lv_info(cmd, lv, 1, &status->info, lv_seg, &status->seg_status, 0, 0) && |
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+ if (_lv_info(cmd, lv, 1, &status->info, lv_seg, &status->seg_status, 0, 0, 0) && |
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(status->seg_status.type == SEG_STATUS_THIN_POOL)) { |
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/* There is -tpool device, but query 'active' state of 'fake' thin-pool */ |
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- if (!_lv_info(cmd, lv, 0, NULL, NULL, NULL, 0, 0) && |
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+ if (!_lv_info(cmd, lv, 0, NULL, NULL, NULL, 0, 0, 0) && |
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!status->seg_status.thin_pool->needs_check) |
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status->info.exists = 0; /* So pool LV is not active */ |
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} |
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@@ -797,10 +807,10 @@ int lv_info_with_seg_status(struct cmd_context *cmd, |
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if (lv_is_external_origin(lv)) { |
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if (!_lv_info(cmd, lv, 0, &status->info, NULL, NULL, |
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- with_open_count, with_read_ahead)) |
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+ with_open_count, with_read_ahead, 0)) |
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return_0; |
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- (void) _lv_info(cmd, lv, 1, NULL, lv_seg, &status->seg_status, 0, 0); |
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+ (void) _lv_info(cmd, lv, 1, NULL, lv_seg, &status->seg_status, 0, 0, 0); |
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return 1; |
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} |
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@@ -813,13 +823,13 @@ int lv_info_with_seg_status(struct cmd_context *cmd, |
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/* Show INFO for actual origin and grab status for merging origin */ |
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if (!_lv_info(cmd, lv, 0, &status->info, lv_seg, |
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lv_is_merging_origin(lv) ? &status->seg_status : NULL, |
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- with_open_count, with_read_ahead)) |
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+ with_open_count, with_read_ahead, 0)) |
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return_0; |
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if (status->info.exists && |
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(status->seg_status.type != SEG_STATUS_SNAPSHOT)) /* Not merging */ |
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/* Grab STATUS from layered -real */ |
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- (void) _lv_info(cmd, lv, 1, NULL, lv_seg, &status->seg_status, 0, 0); |
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+ (void) _lv_info(cmd, lv, 1, NULL, lv_seg, &status->seg_status, 0, 0, 0); |
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return 1; |
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} |
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@@ -828,7 +838,7 @@ int lv_info_with_seg_status(struct cmd_context *cmd, |
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olv = origin_from_cow(lv); |
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if (!_lv_info(cmd, olv, 0, &status->info, first_seg(olv), &status->seg_status, |
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- with_open_count, with_read_ahead)) |
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+ with_open_count, with_read_ahead, 0)) |
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return_0; |
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if (status->seg_status.type == SEG_STATUS_SNAPSHOT || |
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@@ -849,7 +859,7 @@ int lv_info_with_seg_status(struct cmd_context *cmd, |
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} |
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return _lv_info(cmd, lv, 0, &status->info, lv_seg, &status->seg_status, |
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- with_open_count, with_read_ahead); |
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+ with_open_count, with_read_ahead, 0); |
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} |
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#define OPEN_COUNT_CHECK_RETRIES 25 |
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@@ -2834,7 +2844,7 @@ static int _lv_activate(struct cmd_context *cmd, const char *lvid_s, |
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laopts->noscan ? " noscan" : "", |
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laopts->temporary ? " temporary" : ""); |
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- if (!lv_info(cmd, lv, 0, &info, 0, 0)) |
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+ if (!lv_info_with_name_check(cmd, lv, 0, &info)) |
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goto_out; |
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/* |
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diff --git a/lib/activate/activate.h b/lib/activate/activate.h |
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index 43d26d1..a938cb4 100644 |
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--- a/lib/activate/activate.h |
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+++ b/lib/activate/activate.h |
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@@ -135,6 +135,8 @@ int lv_info(struct cmd_context *cmd, const struct logical_volume *lv, int use_la |
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struct lvinfo *info, int with_open_count, int with_read_ahead); |
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int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s, int use_layer, |
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struct lvinfo *info, int with_open_count, int with_read_ahead); |
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+int lv_info_with_name_check(struct cmd_context *cmd, const struct logical_volume *lv, |
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+ int use_layer, struct lvinfo *info); |
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/* |
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* Returns 1 if lv_info_and_seg_status structure has been populated, |
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diff --git a/lib/activate/dev_manager.c b/lib/activate/dev_manager.c |
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index a5e026c..1ca97c1 100644 |
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--- a/lib/activate/dev_manager.c |
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+++ b/lib/activate/dev_manager.c |
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@@ -239,6 +239,7 @@ static uint32_t _seg_len(const struct lv_segment *seg) |
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static int _info_run(const char *dlid, struct dm_info *dminfo, |
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uint32_t *read_ahead, |
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struct lv_seg_status *seg_status, |
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+ const char *name_check, |
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int with_open_count, int with_read_ahead, |
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uint32_t major, uint32_t minor) |
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{ |
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@@ -249,6 +250,7 @@ static int _info_run(const char *dlid, struct dm_info *dminfo, |
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void *target = NULL; |
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uint64_t target_start, target_length, start, length; |
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char *target_name, *target_params; |
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+ const char *dev_name; |
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if (seg_status) { |
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dmtask = DM_DEVICE_STATUS; |
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@@ -262,6 +264,11 @@ static int _info_run(const char *dlid, struct dm_info *dminfo, |
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with_open_count, with_flush, 0))) |
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return_0; |
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+ if (name_check && dminfo->exists && |
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+ (dev_name = dm_task_get_name(dmt)) && |
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+ (strcmp(name_check, dev_name) != 0)) |
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+ dminfo->exists = 0; /* mismatching name -> device does not exist */ |
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+ |
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if (with_read_ahead && dminfo->exists) { |
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if (!dm_task_get_read_ahead(dmt, read_ahead)) |
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goto_out; |
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@@ -777,18 +784,19 @@ static int _original_uuid_format_check_required(struct cmd_context *cmd) |
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static int _info(struct cmd_context *cmd, |
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const char *name, const char *dlid, |
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- int with_open_count, int with_read_ahead, |
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+ int with_open_count, int with_read_ahead, int with_name_check, |
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struct dm_info *dminfo, uint32_t *read_ahead, |
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struct lv_seg_status *seg_status) |
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{ |
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char old_style_dlid[sizeof(UUID_PREFIX) + 2 * ID_LEN]; |
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const char *suffix, *suffix_position; |
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+ const char *name_check = (with_name_check) ? name : NULL; |
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unsigned i = 0; |
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log_debug_activation("Getting device info for %s [%s].", name, dlid); |
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/* Check for dlid */ |
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- if (!_info_run(dlid, dminfo, read_ahead, seg_status, |
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+ if (!_info_run(dlid, dminfo, read_ahead, seg_status, name_check, |
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with_open_count, with_read_ahead, 0, 0)) |
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return_0; |
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@@ -804,7 +812,8 @@ static int _info(struct cmd_context *cmd, |
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(void) strncpy(old_style_dlid, dlid, sizeof(old_style_dlid)); |
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old_style_dlid[sizeof(old_style_dlid) - 1] = '\0'; |
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if (!_info_run(old_style_dlid, dminfo, read_ahead, seg_status, |
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- with_open_count, with_read_ahead, 0, 0)) |
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+ name_check, with_open_count, with_read_ahead, |
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+ 0, 0)) |
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return_0; |
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if (dminfo->exists) |
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return 1; |
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@@ -817,7 +826,7 @@ static int _info(struct cmd_context *cmd, |
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/* Check for dlid before UUID_PREFIX was added */ |
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if (!_info_run(dlid + sizeof(UUID_PREFIX) - 1, dminfo, read_ahead, seg_status, |
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- with_open_count, with_read_ahead, 0, 0)) |
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+ name_check, with_open_count, with_read_ahead, 0, 0)) |
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return_0; |
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return 1; |
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@@ -825,12 +834,12 @@ static int _info(struct cmd_context *cmd, |
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static int _info_by_dev(uint32_t major, uint32_t minor, struct dm_info *info) |
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{ |
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- return _info_run(NULL, info, NULL, 0, 0, 0, major, minor); |
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+ return _info_run(NULL, info, NULL, NULL, NULL, 0, 0, major, minor); |
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} |
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int dev_manager_info(struct cmd_context *cmd, |
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const struct logical_volume *lv, const char *layer, |
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- int with_open_count, int with_read_ahead, |
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+ int with_open_count, int with_read_ahead, int with_name_check, |
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struct dm_info *dminfo, uint32_t *read_ahead, |
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struct lv_seg_status *seg_status) |
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{ |
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@@ -843,7 +852,8 @@ int dev_manager_info(struct cmd_context *cmd, |
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if (!(dlid = build_dm_uuid(cmd->mem, lv, layer))) |
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goto_out; |
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- if (!(r = _info(cmd, name, dlid, with_open_count, with_read_ahead, |
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+ if (!(r = _info(cmd, name, dlid, |
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+ with_open_count, with_read_ahead, with_name_check, |
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dminfo, read_ahead, seg_status))) |
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stack; |
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out: |
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@@ -1953,7 +1963,7 @@ static int _add_dev_to_dtree(struct dev_manager *dm, struct dm_tree *dtree, |
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if (!(dlid = build_dm_uuid(dm->track_pending_delete ? dm->cmd->pending_delete_mem : dm->mem, lv, layer))) |
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return_0; |
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- if (!_info(dm->cmd, name, dlid, 1, 0, &info, NULL, NULL)) |
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+ if (!_info(dm->cmd, name, dlid, 1, 0, 0, &info, NULL, NULL)) |
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return_0; |
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/* |
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@@ -2479,7 +2489,7 @@ static char *_add_error_or_zero_device(struct dev_manager *dm, struct dm_tree *d |
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seg->lv->name, errid))) |
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return_NULL; |
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- if (!_info(dm->cmd, name, dlid, 1, 0, &info, NULL, NULL)) |
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+ if (!_info(dm->cmd, name, dlid, 1, 0, 0, &info, NULL, NULL)) |
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return_NULL; |
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if (!info.exists) { |
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diff --git a/lib/activate/dev_manager.h b/lib/activate/dev_manager.h |
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index 5be417b..20b6a26 100644 |
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--- a/lib/activate/dev_manager.h |
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+++ b/lib/activate/dev_manager.h |
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@@ -47,7 +47,7 @@ void dev_manager_exit(void); |
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*/ |
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int dev_manager_info(struct cmd_context *cmd, const struct logical_volume *lv, |
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const char *layer, |
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- int with_open_count, int with_read_ahead, |
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+ int with_open_count, int with_read_ahead, int with_name_check, |
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struct dm_info *dminfo, uint32_t *read_ahead, |
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struct lv_seg_status *seg_status); |
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