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Cleanup ZFS debug infrastructure

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Historically the internal zfs debug infrastructure has been
scattered throughout the code.  Since we expect to start making
more use of this code this patch performs some cleanup.

* Consolidate the zfs debug infrastructure in the zfs_debug.[ch]
  files.  This includes moving the zfs_flags and zfs_recover
  variables, plus moving the zfs_panic_recover() function.

* Remove the existing unused functionality in zfs_debug.c and
  replace it with code which correctly utilized the spl logging
  infrastructure.

* Remove the __dprintf() function from zfs_ioctl.c.  This is
  dead code, the dprintf() functionality in the kernel relies
  on the spl log support.

* Remove dprintf() from hdr_recl().  This wasn't particularly
  useful and was missing the required format specifier anyway.

* Subsequent patches should unify the dprintf() and zfs_dbgmsg()
  functions.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2012-01-20 15:02:57 -08:00
parent 0c5dde492f
commit d7e398ce1a
7 changed files with 68 additions and 164 deletions
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include/sys/zfs_context.h
+2 -3
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@@ -134,10 +134,9 @@ extern int aok;
* ZFS debugging
*/
#ifdef ZFS_DEBUG
extern void dprintf_setup(int *argc, char **argv);
#endif /* ZFS_DEBUG */
extern void __dprintf(const char *file, const char *func,
int line, const char *fmt, ...);
extern void cmn_err(int, const char *, ...);
extern void vcmn_err(int, const char *, __va_list);
extern void panic(const char *, ...);