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| author | Jeff Layton <jlayton@kernel.org> | 2026-04-28 10:09:47 +0300 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-05-15 20:24:32 +0300 |
| commit | e39026a86b485b052ddff1145f5601fc0d04305f (patch) | |
| tree | d20a2270febba4bf8666ec7850f1da6a0eb774a0 | |
| parent | 24cbf43337f46329ddda5983bc3c585174a020ee (diff) | |
| download | linux-e39026a86b485b052ddff1145f5601fc0d04305f.tar.xz | |
filelock: add a tracepoint to start of break_lease()
...mostly to show the LEASE_BREAK_* flags.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260428-dir-deleg-v3-3-5a0780ba9def@kernel.org
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/locks.c | 2 | ||||
| -rw-r--r-- | include/trace/events/filelock.h | 33 |
2 files changed, 35 insertions, 0 deletions
diff --git a/fs/locks.c b/fs/locks.c index 31086d6153e2..afa80fe6e9ff 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1651,6 +1651,8 @@ int __break_lease(struct inode *inode, unsigned int flags) bool want_write = !(flags & LEASE_BREAK_OPEN_RDONLY); int error = 0; + trace_break_lease(inode, flags); + type = break_lease_flags_to_type(flags); if (!type) return -EINVAL; diff --git a/include/trace/events/filelock.h b/include/trace/events/filelock.h index 718b5c3f1737..f2bb6b7aa281 100644 --- a/include/trace/events/filelock.h +++ b/include/trace/events/filelock.h @@ -120,6 +120,39 @@ DEFINE_EVENT(filelock_lock, flock_lock_inode, TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), TP_ARGS(inode, fl, ret)); +#define show_lease_break_flags(val) \ + __print_flags(val, "|", \ + { LEASE_BREAK_LEASE, "LEASE" }, \ + { LEASE_BREAK_DELEG, "DELEG" }, \ + { LEASE_BREAK_LAYOUT, "LAYOUT" }, \ + { LEASE_BREAK_NONBLOCK, "NONBLOCK" }, \ + { LEASE_BREAK_OPEN_RDONLY, "OPEN_RDONLY" }, \ + { LEASE_BREAK_DIR_CREATE, "DIR_CREATE" }, \ + { LEASE_BREAK_DIR_DELETE, "DIR_DELETE" }, \ + { LEASE_BREAK_DIR_RENAME, "DIR_RENAME" }) + +TRACE_EVENT(break_lease, + TP_PROTO(struct inode *inode, unsigned int flags), + + TP_ARGS(inode, flags), + + TP_STRUCT__entry( + __field(unsigned long, i_ino) + __field(dev_t, s_dev) + __field(unsigned int, flags) + ), + + TP_fast_assign( + __entry->s_dev = inode->i_sb->s_dev; + __entry->i_ino = inode->i_ino; + __entry->flags = flags; + ), + + TP_printk("dev=0x%x:0x%x ino=0x%lx flags=%s", + MAJOR(__entry->s_dev), MINOR(__entry->s_dev), + __entry->i_ino, show_lease_break_flags(__entry->flags)) +); + DECLARE_EVENT_CLASS(filelock_lease, TP_PROTO(struct inode *inode, struct file_lease *fl), |