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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 21:54:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 21:54:31 -0700
commit81280572ca6f54009edfa4deee563e8678784218 (patch)
tree4fac10bcb71261823d261e5f8551fdb16ab653ba /include/linux/percpu_counter.h
parentb83db1deb29eb4eea9bf5992431d26978e039ce6 (diff)
parenta107e5a3a473a2ea62bd5af24e11b84adf1486ff (diff)
Merge branch 'upstream-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'upstream-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (50 commits) ext4,jbd2: convert tracepoints to use major/minor numbers ext4: optimize orphan_list handling for ext4_setattr ext4: fix unbalanced mutex unlock in error path of ext4_li_request_new ext4: fix compile error in ext4_fallocate() ext4: move ext4_mb_{get,put}_buddy_cache_lock and make them static ext4: rename mark_bitmap_end() to ext4_mark_bitmap_end() ext4: move flush_completed_IO to fs/ext4/fsync.c and make it static ext4: rename {ext,idx}_pblock and inline small extent functions ext4: make various ext4 functions be static ext4: rename {exit,init}_ext4_*() to ext4_{exit,init}_*() ext4: fix kernel oops if the journal superblock has a non-zero j_errno ext4: update writeback_index based on last page scanned ext4: implement writeback livelock avoidance using page tagging ext4: tidy up a void argument in inode.c ext4: add batched_discard into ext4 feature list ext4: Add batched discard support for ext4 fs: Add FITRIM ioctl ext4: Use return value from sb_issue_discard() ext4: Check return value of sb_getblk() and friends ext4: use bio layer instead of buffer layer in mpage_da_submit_io ...
Diffstat (limited to 'include/linux/percpu_counter.h')
-rw-r--r--include/linux/percpu_counter.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index 8a7d510ffa9c..46f6ba56fa91 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -78,6 +78,11 @@ static inline s64 percpu_counter_read_positive(struct percpu_counter *fbc)
return 1;
}
+static inline int percpu_counter_initialized(struct percpu_counter *fbc)
+{
+ return (fbc->counters != NULL);
+}
+
#else
struct percpu_counter {
@@ -143,6 +148,11 @@ static inline s64 percpu_counter_sum(struct percpu_counter *fbc)
return percpu_counter_read(fbc);
}
+static inline int percpu_counter_initialized(struct percpu_counter *fbc)
+{
+ return 1;
+}
+
#endif /* CONFIG_SMP */
static inline void percpu_counter_inc(struct percpu_counter *fbc)