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| author | David Howells <dhowells@redhat.com> | 2018-04-04 13:41:27 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2018-04-04 13:41:27 +0100 |
| commit | a18feb55769b705a44c4107786c4045eae2e87b6 (patch) | |
| tree | 3db7d160e672aa9f16a0437b767b3d3bbb10ecc8 /fs/fscache/netfs.c | |
| parent | 2c98425720233ae3e135add0c7e869b32913502f (diff) | |
| download | linux-a18feb55769b705a44c4107786c4045eae2e87b6.tar.bz2 | |
fscache: Add tracepoints
Add some tracepoints to fscache:
(*) fscache_cookie - Tracks a cookie's usage count.
(*) fscache_netfs - Logs registration of a network filesystem, including
the pointer to the cookie allocated.
(*) fscache_acquire - Logs cookie acquisition.
(*) fscache_relinquish - Logs cookie relinquishment.
(*) fscache_enable - Logs enablement of a cookie.
(*) fscache_disable - Logs disablement of a cookie.
(*) fscache_osm - Tracks execution of states in the object state machine.
and cachefiles:
(*) cachefiles_ref - Tracks a cachefiles object's usage count.
(*) cachefiles_lookup - Logs result of lookup_one_len().
(*) cachefiles_mkdir - Logs result of vfs_mkdir().
(*) cachefiles_create - Logs result of vfs_create().
(*) cachefiles_unlink - Logs calls to vfs_unlink().
(*) cachefiles_rename - Logs calls to vfs_rename().
(*) cachefiles_mark_active - Logs an object becoming active.
(*) cachefiles_wait_active - Logs a wait for an old object to be
destroyed.
(*) cachefiles_mark_inactive - Logs an object becoming inactive.
(*) cachefiles_mark_buried - Logs the burial of an object.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/fscache/netfs.c')
| -rw-r--r-- | fs/fscache/netfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/fscache/netfs.c b/fs/fscache/netfs.c index a8aa00be4444..c816600d1dde 100644 --- a/fs/fscache/netfs.c +++ b/fs/fscache/netfs.c @@ -60,7 +60,7 @@ int __fscache_register_netfs(struct fscache_netfs *netfs) goto already_registered; } - atomic_inc(&cookie->parent->usage); + fscache_cookie_get(cookie->parent, fscache_cookie_get_register_netfs); atomic_inc(&cookie->parent->n_children); netfs->primary_index = cookie; @@ -68,6 +68,7 @@ int __fscache_register_netfs(struct fscache_netfs *netfs) ret = 0; pr_notice("Netfs '%s' registered for caching\n", netfs->name); + trace_fscache_netfs(netfs); already_registered: up_write(&fscache_addremove_sem); |