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Commit 03cdd0e4 authored by David Howells's avatar David Howells
Browse files

FS-Cache: Count the number of initialised operations 



Count and display through /proc/fs/fscache/stats the number of initialised
operations.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Reviewed-by: default avatarSteve Dickson <steved@redhat.com>
Acked-by: default avatarJeff Layton <jeff.layton@primarydata.com>
parent 1339ec98

Documentation/filesystems/caching/fscache.txt

+2 −1
Original line number Diff line number Diff line
@@ -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

fs/fscache/internal.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

fs/fscache/operation.c

+1 −0
Original line number Diff line number Diff line
@@ -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);

fs/fscache/stats.c

+3 −1
Original line number Diff line number Diff line
@@ -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));