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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 04:43:53 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 04:43:53 +0200 |
| commit | b33ce442993865180292df2a314ee5251ba38b50 (patch) | |
| tree | 004b703ea3cd19c932393086fe9cde96e8db8de7 /lib | |
| parent | Merge branch 'for-3.15/core' of git://git.kernel.dk/linux-block (diff) | |
| parent | Merge branch 'bcache-for-3.15' of git://evilpiepirate.org/~kent/linux-bcache ... (diff) | |
| download | linux-b33ce442993865180292df2a314ee5251ba38b50.tar.xz linux-b33ce442993865180292df2a314ee5251ba38b50.zip | |
Merge branch 'for-3.15/drivers' of git://git.kernel.dk/linux-block
Pull block driver update from Jens Axboe:
"On top of the core pull request, here's the pull request for the
driver related changes for 3.15. It contains:
- Improvements for msi-x registration for block drivers (mtip32xx,
skd, cciss, nvme) from Alexander Gordeev.
- A round of cleanups and improvements for drbd from Andreas
Gruenbacher and Rashika Kheria.
- A round of clanups and improvements for bcache from Kent.
- Removal of sleep_on() and friends in DAC960, ataflop, swim3 from
Arnd Bergmann.
- Bug fix for a bug in the mtip32xx async completion code from Sam
Bradshaw.
- Bug fix for accidentally bouncing IO on 32-bit platforms with
mtip32xx from Felipe Franciosi"
* 'for-3.15/drivers' of git://git.kernel.dk/linux-block: (103 commits)
bcache: remove nested function usage
bcache: Kill bucket->gc_gen
bcache: Kill unused freelist
bcache: Rework btree cache reserve handling
bcache: Kill btree_io_wq
bcache: btree locking rework
bcache: Fix a race when freeing btree nodes
bcache: Add a real GC_MARK_RECLAIMABLE
bcache: Add bch_keylist_init_single()
bcache: Improve priority_stats
bcache: Better alloc tracepoints
bcache: Kill dead cgroup code
bcache: stop moving_gc marking buckets that can't be moved.
bcache: Fix moving_pred()
bcache: Fix moving_gc deadlocking with a foreground write
bcache: Fix discard granularity
bcache: Fix another bug recovering from unclean shutdown
bcache: Fix a bug recovering from unclean shutdown
bcache: Fix a journalling reclaim after recovery bug
bcache: Fix a null ptr deref in journal replay
...
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/idr.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/idr.c b/lib/idr.c index bfe4db4e165f..1ba4956bfbff 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -869,6 +869,16 @@ void idr_init(struct idr *idp) } EXPORT_SYMBOL(idr_init); +static int idr_has_entry(int id, void *p, void *data) +{ + return 1; +} + +bool idr_is_empty(struct idr *idp) +{ + return !idr_for_each(idp, idr_has_entry, NULL); +} +EXPORT_SYMBOL(idr_is_empty); /** * DOC: IDA description |