diff options
| author | David Howells <[email protected]> | 2024-12-16 20:41:05 +0000 |
|---|---|---|
| committer | Christian Brauner <[email protected]> | 2024-12-20 21:34:05 +0000 |
| commit | bcb33f79e15d0e4dc4b86106ceb01d64bfab9e35 (patch) | |
| tree | 256b60269efce77e4e22098be88b3fe022970c3c /fs/cachefiles/io.c | |
| parent | netfs: Remove some extraneous directory invalidations (diff) | |
| download | kernel-bcb33f79e15d0e4dc4b86106ceb01d64bfab9e35.tar.gz kernel-bcb33f79e15d0e4dc4b86106ceb01d64bfab9e35.zip | |
cachefiles: Add some subrequest tracepoints
Add some tracepoints into the cachefiles write paths.
Signed-off-by: David Howells <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
cc: [email protected]
Signed-off-by: Christian Brauner <[email protected]>
Diffstat (limited to 'fs/cachefiles/io.c')
| -rw-r--r-- | fs/cachefiles/io.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/cachefiles/io.c b/fs/cachefiles/io.c index 6a821a959b59..92058ae43488 100644 --- a/fs/cachefiles/io.c +++ b/fs/cachefiles/io.c @@ -13,6 +13,7 @@ #include <linux/falloc.h> #include <linux/sched/mm.h> #include <trace/events/fscache.h> +#include <trace/events/netfs.h> #include "internal.h" struct cachefiles_kiocb { @@ -366,6 +367,7 @@ static int cachefiles_write(struct netfs_cache_resources *cres, if (!fscache_wait_for_operation(cres, FSCACHE_WANT_WRITE)) { if (term_func) term_func(term_func_priv, -ENOBUFS, false); + trace_netfs_sreq(term_func_priv, netfs_sreq_trace_cache_nowrite); return -ENOBUFS; } @@ -695,6 +697,7 @@ static void cachefiles_issue_write(struct netfs_io_subrequest *subreq) iov_iter_truncate(&subreq->io_iter, len); } + trace_netfs_sreq(subreq, netfs_sreq_trace_cache_prepare); cachefiles_begin_secure(cache, &saved_cred); ret = __cachefiles_prepare_write(object, cachefiles_cres_file(cres), &start, &len, len, true); @@ -704,6 +707,7 @@ static void cachefiles_issue_write(struct netfs_io_subrequest *subreq) return; } + trace_netfs_sreq(subreq, netfs_sreq_trace_cache_write); cachefiles_write(&subreq->rreq->cache_resources, subreq->start, &subreq->io_iter, netfs_write_subrequest_terminated, subreq); |