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Don't run 'zpool iostat -c CMD' command on all vdevs, if vdevs specified

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zpool iostat allows you to specify only certain vdevs to display.
Currently, if you run 'zpool iostat -c CMD vdev1 vdev2 ...'
on specific vdevs, it will actually run the command on *all* vdevs,
and just display the results for the vdevs you specify.  This patch
corrects the behavior to only run the command on the specified vdevs,
and also enables the zpool_iostat_005_pos.ksh tests.
    
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #5443
This commit is contained in:
Tony Hutter
2016-12-16 16:10:45 -08:00
committed by Brian Behlendorf
parent 81eb8a1fbb
commit 1528bfdb14
5 changed files with 81 additions and 19 deletions
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cmd/zpool/zpool_util.h
+11 -1
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@@ -86,11 +86,21 @@ typedef struct vdev_cmd_data_list
{
char *cmd; /* Command to run */
unsigned int count; /* Number of vdev_cmd_data items (vdevs) */
/* vars to whitelist only certain vdevs, if requested */
libzfs_handle_t *g_zfs;
char **vdev_names;
int vdev_names_count;
int cb_name_flags;
vdev_cmd_data_t *data; /* Array of vdevs */
} vdev_cmd_data_list_t;
vdev_cmd_data_list_t *all_pools_for_each_vdev_run(int argc, char **argv,
char *cmd);
char *cmd, libzfs_handle_t *g_zfs, char **vdev_names, int vdev_names_count,
int cb_name_flags);
void free_vdev_cmd_data_list(vdev_cmd_data_list_t *vcdl);
#ifdef __cplusplus