log: demote a lot of BEESLOGWARN to higher verbosity levels

Toxic extent workarounds are going away because the underlying kernel
bugs have been fixed.  They are no longer worthy of spamming non-developer
logs.

INO_PATHS can return no paths if an inode has been deleted.  It doesn't
need a log message at all, much less one at WARN level.

Dedupe failure can be INFO, the same level as dedupe itself, especially
since the "NO dedupe" message doesn't mention what was [not] deduped.

Inspired by Kai Krakow's "context: demote "abandoned toxic match" to
debug log level".

Signed-off-by: Zygo Blaxell <bees@furryterror.org>

src/bees-context.cc

@@ -259,7 +259,7 @@ BeesContext::dedup(const BeesRangePair &brp_in)
 				BEESCOUNTADD(dedup_bytes, brp.first.size());
 			} else {
 				BEESCOUNT(dedup_miss);
-				BEESLOGWARN("NO Dedup! " << brp);
+				BEESLOGINFO("NO Dedup! " << brp);
 			}
 
 			lock.reset();
@@ -373,7 +373,7 @@ BeesContext::scan_one_extent(const BeesFileRange &bfr, const Extent &e)
 		Extent::OBSCURED | Extent::PREALLOC
 	)) {
 		BEESCOUNT(scan_interesting);
-		BEESLOGWARN("Interesting extent flags " << e << " from fd " << name_fd(bfr.fd()));
+		BEESLOGINFO("Interesting extent flags " << e << " from fd " << name_fd(bfr.fd()));
 	}
 
 	if (e.flags() & Extent::HOLE) {
@@ -556,7 +556,7 @@ BeesContext::scan_one_extent(const BeesFileRange &bfr, const Extent &e)
 			BeesResolver resolved(m_ctx, found_addr);
 			// Toxic extents are really toxic
 			if (resolved.is_toxic()) {
-				BEESLOGWARN("WORKAROUND: discovered toxic match at found_addr " << found_addr << " matching bbd " << bbd);
+				BEESLOGDEBUG("WORKAROUND: discovered toxic match at found_addr " << found_addr << " matching bbd " << bbd);
 				BEESCOUNT(scan_toxic_match);
 				// Make sure we never see this hash again.
 				// It has become toxic since it was inserted into the hash table.
@@ -917,7 +917,7 @@ BeesContext::scan_forward(const BeesFileRange &bfr_in)
 
 	// Sanity check
 	if (bfr.begin() >= bfr.file_size()) {
-		BEESLOGWARN("past EOF: " << bfr);
+		BEESLOGDEBUG("past EOF: " << bfr);
 		BEESCOUNT(scanf_eof);
 		return false;
 	}

src/bees-hash.cc

@@ -797,7 +797,7 @@ BeesHashTable::BeesHashTable(shared_ptr<BeesContext> ctx, string filename, off_t
 	for (auto fp = madv_flags; fp->value; ++fp) {
 		BEESTOOLONG("madvise(" << fp->name << ")");
 		if (madvise(m_byte_ptr, m_size, fp->value)) {
-			BEESLOGWARN("madvise(..., " << fp->name << "): " << strerror(errno) << " (ignored)");
+			BEESLOGNOTICE("madvise(..., " << fp->name << "): " << strerror(errno) << " (ignored)");
 		}
 	}
 

src/bees-roots.cc

@@ -1990,7 +1990,7 @@ BeesRoots::open_root_ino_nocache(uint64_t root, uint64_t ino)
 	BEESTRACE("searching paths for root " << root << " ino " << ino);
 	Fd rv;
 	if (ipa.m_paths.empty()) {
-		BEESLOGWARN("No paths for root " << root << " ino " << ino);
+		// BEESLOGDEBUG("No paths for root " << root << " ino " << ino);
 		BEESCOUNT(open_lookup_empty);
 	}
 	BEESCOUNT(open_lookup_ok);
@@ -2066,7 +2066,7 @@ BeesRoots::open_root_ino_nocache(uint64_t root, uint64_t ino)
 
 		int attr = ioctl_iflags_get(rv);
 		if (attr & FS_NOCOW_FL) {
-			BEESLOGWARN("Opening " << name_fd(rv) << " found FS_NOCOW_FL flag in " << to_hex(attr));
+			BEESLOGINFO("Opening " << name_fd(rv) << " found FS_NOCOW_FL flag in " << to_hex(attr));
 			rv = Fd();
 			BEESCOUNT(open_wrong_flags);
 			break;

src/bees-types.cc

@@ -457,7 +457,7 @@ BeesRangePair::grow(shared_ptr<BeesContext> ctx, bool constrained)
 			}
 		}
 		if (found_toxic) {
-			BEESLOGWARN("WORKAROUND: found toxic hash in " << first_bbd << " while extending backward:\n" << *this);
+			BEESLOGDEBUG("WORKAROUND: found toxic hash in " << first_bbd << " while extending backward:\n" << *this);
 			BEESCOUNT(pairbackward_toxic_hash);
 			break;
 		}
@@ -558,7 +558,7 @@ BeesRangePair::grow(shared_ptr<BeesContext> ctx, bool constrained)
 			}
 		}
 		if (found_toxic) {
-			BEESLOGWARN("WORKAROUND: found toxic hash in " << first_bbd << " while extending forward:\n" << *this);
+			BEESLOGDEBUG("WORKAROUND: found toxic hash in " << first_bbd << " while extending forward:\n" << *this);
 			BEESCOUNT(pairforward_toxic_hash);
 			break;
 		}

src/bees.cc

@@ -198,7 +198,7 @@ BeesTooLong::check() const
 	if (age() > m_limit) {
 		ostringstream oss;
 		m_func(oss);
-		BEESLOGWARN("PERFORMANCE: " << *this << " sec: " << oss.str());
+		BEESLOGINFO("PERFORMANCE: " << *this << " sec: " << oss.str());
 	}
 }