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afs: Add a tracepoint to track the lifetime of the afs_volume struct

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Add a tracepoint to track the lifetime of the afs_volume struct.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2020-04-29 17:02:04 +01:00
parent 6dfdf5369c
commit cca37d45d5
7 changed files with 95 additions and 23 deletions
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10
fs/afs/internal.h
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@@ -1429,17 +1429,11 @@ extern struct afs_vlserver_list *afs_extract_vlserver_list(struct afs_cell *,
/*
* volume.c
*/
static inline struct afs_volume *afs_get_volume(struct afs_volume *volume)
{
if (volume)
atomic_inc(&volume->usage);
return volume;
}
extern struct afs_volume *afs_create_volume(struct afs_fs_context *);
extern void afs_activate_volume(struct afs_volume *);
extern void afs_deactivate_volume(struct afs_volume *);
extern void afs_put_volume(struct afs_net *, struct afs_volume *);
extern struct afs_volume *afs_get_volume(struct afs_volume *, enum afs_volume_trace);
extern void afs_put_volume(struct afs_net *, struct afs_volume *, enum afs_volume_trace);
extern int afs_check_volume_status(struct afs_volume *, struct afs_operation *);
/*