33b6dbbc51
Add a table describing the debugging flags that can be set in the zfs_flags
module parameter. Also change the module_param type to 'uint' so users aren't
shown a negative value. The updated man page text is reproduced below for
convenience.
zfs_flags (int)
Set additional debugging flags. The following flags may be
bitwise-or'd together.
+-------------------------------------------------------+
|Value Symbolic Name |
| Description |
+-------------------------------------------------------+
| 1 ZFS_DEBUG_DPRINTF |
| Enable dprintf entries in the debug log. |
+-------------------------------------------------------+
| 2 ZFS_DEBUG_DBUF_VERIFY * |
| Enable extra dbuf verifications. |
+-------------------------------------------------------+
| 4 ZFS_DEBUG_DNODE_VERIFY * |
| Enable extra dnode verifications. |
+-------------------------------------------------------+
| 8 ZFS_DEBUG_SNAPNAMES |
| Enable snapshot name verification. |
+-------------------------------------------------------+
| 16 ZFS_DEBUG_MODIFY |
| Check for illegally modified ARC buffers. |
+-------------------------------------------------------+
| 32 ZFS_DEBUG_SPA |
| Enable spa_dbgmsg entries in the debug log. |
+-------------------------------------------------------+
| 64 ZFS_DEBUG_ZIO_FREE |
| Enable verification of block frees. |
+-------------------------------------------------------+
| 128 ZFS_DEBUG_HISTOGRAM_VERIFY |
| Enable extra spacemap histogram verifications. |
+-------------------------------------------------------+
* Requires debug build.
Default value: 0.
Signed-off-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2988
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| man1 | ||
| man5 | ||
| man8 | ||
| Makefile.am | ||