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| author | David Howells <dhowells@redhat.com> | 2015-02-25 13:21:15 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2015-04-02 14:28:53 +0100 |
| commit | 03cdd0e4b9a98ae995b81cd8f58e992ec3f44ae2 (patch) | |
| tree | 079c745fecdcf331840123b931a8602be6c37c1a | |
| parent | 1339ec98e32b4bc8efb6fbb71c006a465130aaba (diff) | |
| download | op-kernel-dev-03cdd0e4b9a98ae995b81cd8f58e992ec3f44ae2.zip op-kernel-dev-03cdd0e4b9a98ae995b81cd8f58e992ec3f44ae2.tar.gz | |
FS-Cache: Count the number of initialised operations
Count and display through /proc/fs/fscache/stats the number of initialised
operations.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Steve Dickson <steved@redhat.com>
Acked-by: Jeff Layton <jeff.layton@primarydata.com>
| -rw-r--r-- | Documentation/filesystems/caching/fscache.txt | 3 | ||||
| -rw-r--r-- | fs/fscache/internal.h | 1 | ||||
| -rw-r--r-- | fs/fscache/operation.c | 1 | ||||
| -rw-r--r-- | fs/fscache/stats.c | 4 |
4 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/filesystems/caching/fscache.txt b/Documentation/filesystems/caching/fscache.txt index 66fa7fb..50f0a57 100644 --- a/Documentation/filesystems/caching/fscache.txt +++ b/Documentation/filesystems/caching/fscache.txt @@ -284,8 +284,9 @@ proc files. enq=N Number of times async ops queued for processing can=N Number of async ops cancelled rej=N Number of async ops rejected due to object lookup/create failure + ini=N Number of async ops initialised dfr=N Number of async ops queued for deferred release - rel=N Number of async ops released + rel=N Number of async ops released (should equal ini=N when idle) gc=N Number of deferred-release async ops garbage collected CacheOp alo=N Number of in-progress alloc_object() cache ops luo=N Number of in-progress lookup_object() cache ops diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h index 87c4544..a632251 100644 --- a/fs/fscache/internal.h +++ b/fs/fscache/internal.h @@ -165,6 +165,7 @@ extern atomic_t fscache_n_op_pend; extern atomic_t fscache_n_op_run; extern atomic_t fscache_n_op_enqueue; extern atomic_t fscache_n_op_deferred_release; +extern atomic_t fscache_n_op_initialised; extern atomic_t fscache_n_op_release; extern atomic_t fscache_n_op_gc; extern atomic_t fscache_n_op_cancelled; diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c index 61a6e78..9761df4 100644 --- a/fs/fscache/operation.c +++ b/fs/fscache/operation.c @@ -39,6 +39,7 @@ void fscache_operation_init(struct fscache_operation *op, op->processor = processor; op->release = release; INIT_LIST_HEAD(&op->pend_link); + fscache_stat(&fscache_n_op_initialised); } EXPORT_SYMBOL(fscache_operation_init); diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c index 3a722e8..7cfa0aa 100644 --- a/fs/fscache/stats.c +++ b/fs/fscache/stats.c @@ -23,6 +23,7 @@ atomic_t fscache_n_op_run; atomic_t fscache_n_op_enqueue; atomic_t fscache_n_op_requeue; atomic_t fscache_n_op_deferred_release; +atomic_t fscache_n_op_initialised; atomic_t fscache_n_op_release; atomic_t fscache_n_op_gc; atomic_t fscache_n_op_cancelled; @@ -251,7 +252,8 @@ static int fscache_stats_show(struct seq_file *m, void *v) atomic_read(&fscache_n_op_enqueue), atomic_read(&fscache_n_op_cancelled), atomic_read(&fscache_n_op_rejected)); - seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n", + seq_printf(m, "Ops : ini=%u dfr=%u rel=%u gc=%u\n", + atomic_read(&fscache_n_op_initialised), atomic_read(&fscache_n_op_deferred_release), atomic_read(&fscache_n_op_release), atomic_read(&fscache_n_op_gc)); |
