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FS-Cache: Annotate slow-work runqueue proc lines for FS-Cache work items

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Annotate slow-work runqueue proc lines for FS-Cache work items.  Objects
include the object ID and the state.  Operations include the object ID, the
operation ID and the operation type and state.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2009-11-19 18:11:01 +00:00
parent 3bde31a4ac
commit 440f0affe2
4 changed files with 103 additions and 6 deletions
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12
include/linux/fscache-cache.h
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@ -102,6 +102,16 @@ struct fscache_operation {
/* operation releaser */
fscache_operation_release_t release;
#ifdef CONFIG_SLOW_WORK_PROC
const char *name; /* operation name */
const char *state; /* operation state */
#define fscache_set_op_name(OP, N) do { (OP)->name = (N); } while(0)
#define fscache_set_op_state(OP, S) do { (OP)->state = (S); } while(0)
#else
#define fscache_set_op_name(OP, N) do { } while(0)
#define fscache_set_op_state(OP, S) do { } while(0)
#endif
};
extern atomic_t fscache_op_debug_id;
@ -125,6 +135,7 @@ static inline void fscache_operation_init(struct fscache_operation *op,
op->debug_id = atomic_inc_return(&fscache_op_debug_id);
op->release = release;
INIT_LIST_HEAD(&op->pend_link);
fscache_set_op_state(op, "Init");
}
/**
@ -337,6 +348,7 @@ struct fscache_object {
FSCACHE_OBJECT_RECYCLING, /* retiring object */
FSCACHE_OBJECT_WITHDRAWING, /* withdrawing object */
FSCACHE_OBJECT_DEAD, /* object is now dead */
FSCACHE_OBJECT__NSTATES
} state;
int debug_id; /* debugging ID */