diff options
| author | Matthew Ahrens <[email protected]> | 2013-09-04 07:00:57 -0500 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-09-04 16:01:24 -0700 |
| commit | 13fe019870c8779bf2f5b3ff731b512cf89133ef (patch) | |
| tree | 67a9c6989bcb7c2ca6d0455c14713bcbf1899da6 /include/sys/rrwlock.h | |
| parent | 6f1ffb06655008c9b519108ed29fbf03acd6e5de (diff) | |
Illumos #3464
3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <[email protected]>
Reviewed by: Adam Leventhal <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: Christopher Siden <[email protected]>
Approved by: Garrett D'Amore <[email protected]>
References:
https://www.illumos.org/issues/3464
illumos/illumos-gate@3b2aab18808792cbd248a12f1edf139b89833c13
Ported-by: Tim Chase <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #1495
Diffstat (limited to 'include/sys/rrwlock.h')
| -rw-r--r-- | include/sys/rrwlock.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/sys/rrwlock.h b/include/sys/rrwlock.h index 8fde3a3be..25c8a5246 100644 --- a/include/sys/rrwlock.h +++ b/include/sys/rrwlock.h @@ -60,6 +60,7 @@ typedef struct rrwlock { refcount_t rr_anon_rcount; refcount_t rr_linked_rcount; boolean_t rr_writer_wanted; + boolean_t rr_track_all; } rrwlock_t; /* @@ -67,15 +68,19 @@ typedef struct rrwlock { * 'tag' must be the same in a rrw_enter() as in its * corresponding rrw_exit(). */ -void rrw_init(rrwlock_t *rrl); +void rrw_init(rrwlock_t *rrl, boolean_t track_all); void rrw_destroy(rrwlock_t *rrl); void rrw_enter(rrwlock_t *rrl, krw_t rw, void *tag); +void rrw_enter_read(rrwlock_t *rrl, void *tag); +void rrw_enter_write(rrwlock_t *rrl); void rrw_exit(rrwlock_t *rrl, void *tag); boolean_t rrw_held(rrwlock_t *rrl, krw_t rw); void rrw_tsd_destroy(void *arg); #define RRW_READ_HELD(x) rrw_held(x, RW_READER) #define RRW_WRITE_HELD(x) rrw_held(x, RW_WRITER) +#define RRW_LOCK_HELD(x) \ + (rrw_held(x, RW_WRITER) || rrw_held(x, RW_READER)) #ifdef __cplusplus } |