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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-07 18:39:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-07 18:39:37 -0700 |
| commit | 68abbe729567cef128b2c2141f2ed2567f3b8372 (patch) | |
| tree | aa75c39cc815eee4d7cc8db2988fe10879fccd3e /lib/idr.c | |
| parent | ba1b7309fc2e909a5828c36a7cd187e5d7df6f53 (diff) | |
| parent | 016e92da037e0b43dd5e5848c19b0b9749506963 (diff) | |
| download | linux-0-day-68abbe729567cef128b2c2141f2ed2567f3b8372.tar.gz linux-0-day-68abbe729567cef128b2c2141f2ed2567f3b8372.tar.xz | |
Merge updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- v9fs updates
- MM
- procfs updates
- lib/ updates
- autofs updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
autofs: small cleanup in autofs_getpath()
autofs: clean up includes
autofs: comment on selinux changes needed for module autoload
autofs: update MAINTAINERS entry for autofs
autofs: use autofs instead of autofs4 in documentation
autofs: rename autofs documentation files
autofs: create autofs Kconfig and Makefile
autofs: delete fs/autofs4 source files
autofs: update fs/autofs4/Makefile
autofs: update fs/autofs4/Kconfig
autofs: copy autofs4 to autofs
autofs4: use autofs instead of autofs4 everywhere
autofs4: merge auto_fs.h and auto_fs4.h
fs/binfmt_misc.c: do not allow offset overflow
checkpatch: improve patch recognition
lib/ucs2_string.c: add MODULE_LICENSE()
lib/mpi: headers cleanup
lib/percpu_ida.c: use _irqsave() instead of local_irq_save() + spin_lock
lib/idr.c: remove simple_ida_lock
lib/bitmap.c: micro-optimization for __bitmap_complement()
...
Diffstat (limited to 'lib/idr.c')
| -rw-r--r-- | lib/idr.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/idr.c b/lib/idr.c index 823b813f08f86..ed9c169c12bdc 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -4,9 +4,9 @@ #include <linux/idr.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <linux/xarray.h> DEFINE_PER_CPU(struct ida_bitmap *, ida_bitmap); -static DEFINE_SPINLOCK(simple_ida_lock); /** * idr_alloc_u32() - Allocate an ID. @@ -581,7 +581,7 @@ again: if (!ida_pre_get(ida, gfp_mask)) return -ENOMEM; - spin_lock_irqsave(&simple_ida_lock, flags); + xa_lock_irqsave(&ida->ida_rt, flags); ret = ida_get_new_above(ida, start, &id); if (!ret) { if (id > max) { @@ -591,7 +591,7 @@ again: ret = id; } } - spin_unlock_irqrestore(&simple_ida_lock, flags); + xa_unlock_irqrestore(&ida->ida_rt, flags); if (unlikely(ret == -EAGAIN)) goto again; @@ -615,8 +615,8 @@ void ida_simple_remove(struct ida *ida, unsigned int id) unsigned long flags; BUG_ON((int)id < 0); - spin_lock_irqsave(&simple_ida_lock, flags); + xa_lock_irqsave(&ida->ida_rt, flags); ida_remove(ida, id); - spin_unlock_irqrestore(&simple_ida_lock, flags); + xa_unlock_irqrestore(&ida->ida_rt, flags); } EXPORT_SYMBOL(ida_simple_remove); |