diff options
| author |  Nikolaus Rath <Nikolaus@rath.org> | 2017-08-04 21:56:45 +0200 |
|---|---|---|
| committer | Nikolaus Rath <Nikolaus@rath.org> | 2017-08-04 22:42:22 +0200 |
| commit | c36e7d528e87f2327bdb56ea2b1ada9e05cb08ac (patch) | |
| tree | 8467467fe12350e951268fe4f6716bab356be337 /example | |
| parent | 0f1fdd2205f80164565a41b9d2252514aa7b05dc (diff) | |
passthrough_ll: added more debugging output
Diffstat (limited to 'example')
| -rw-r--r-- | example/passthrough_ll.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/example/passthrough_ll.c b/example/passthrough_ll.c index 2d7d4b5..0175363 100644 --- a/example/passthrough_ll.c +++ b/example/passthrough_ll.c @@ -46,6 +46,7 @@ #include <assert.h> #include <errno.h> #include <err.h> +#include <inttypes.h> /* We are re-using pointers to our `struct lo_inode` and `struct lo_dirp` elements as inodes. This means that we must be able to @@ -233,6 +234,10 @@ static void lo_lookup(fuse_req_t req, fuse_ino_t parent, const char *name) struct fuse_entry_param e; int err; + if (lo_debug(req)) + fprintf(stderr, "lo_lookup(parent=%" PRIu64 ", name=%s)\n", + parent, name); + err = lo_do_lookup(req, parent, name, &e); if (err) fuse_reply_err(req, err); @@ -436,6 +441,10 @@ static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name, struct fuse_entry_param e; int err; + if (lo_debug(req)) + fprintf(stderr, "lo_create(parent=%" PRIu64 ", name=%s)\n", + parent, name); + fd = openat(lo_fd(req, parent), name, (fi->flags | O_CREAT) & ~O_NOFOLLOW, mode); if (fd == -1) @@ -456,6 +465,10 @@ static void lo_open(fuse_req_t req, fuse_ino_t ino, int fd; char buf[64]; + if (lo_debug(req)) + fprintf(stderr, "lo_open(ino=%" PRIu64 ", flags=%d)\n", + ino, fi->flags); + sprintf(buf, "/proc/self/fd/%i", lo_fd(req, ino)); fd = open(buf, fi->flags & ~O_NOFOLLOW); if (fd == -1) @@ -478,7 +491,9 @@ static void lo_read(fuse_req_t req, fuse_ino_t ino, size_t size, { struct fuse_bufvec buf = FUSE_BUFVEC_INIT(size); - (void) ino; + if (lo_debug(req)) + fprintf(stderr, "lo_read(ino=%" PRIu64 ", size=%zd, " + "off=%lu)\n", ino, size, (unsigned long) offset); buf.buf[0].flags = FUSE_BUF_IS_FD | FUSE_BUF_FD_SEEK; buf.buf[0].fd = fi->fh; @@ -499,6 +514,10 @@ static void lo_write_buf(fuse_req_t req, fuse_ino_t ino, out_buf.buf[0].fd = fi->fh; out_buf.buf[0].pos = off; + if (lo_debug(req)) + fprintf(stderr, "lo_write(ino=%" PRIu64 ", size=%zd, off=%lu)\n", + ino, out_buf.buf[0].size, (unsigned long) off); + res = fuse_buf_copy(&out_buf, in_buf, 0); if(res < 0) fuse_reply_err(req, -res); |