[LevelDB] Do no crash if filesystem can't fsync

NicolasDorier · web-flow · commit c8c029b5b579 · 2017-03-15T19:32:35.000+09:00
See bitcoin#10000
diff --git a/util/env_posix.cc b/util/env_posix.cc
@@ -231,7 +231,7 @@ class PosixWritableFile : public WritableFile {
       if (fd < 0) {
         s = IOError(dir, errno);
       } else {
-        if (fsync(fd) < 0) {
+        if (fsync(fd) < 0 && errno != EINVAL) {
           s = IOError(dir, errno);
         }
         close(fd);

Original file line number	Diff line number	Diff line change
`@@ -231,7 +231,7 @@ class PosixWritableFile : public WritableFile {`
`231`	`231`	`if (fd < 0) {`
`232`	`232`	`s = IOError(dir, errno);`
`233`	`233`	`} else {`
`234`		`- if (fsync(fd) < 0) {`
	`234`	`+ if (fsync(fd) < 0 && errno != EINVAL) {`
`235`	`235`	`s = IOError(dir, errno);`
`236`	`236`	`}`
`237`	`237`	`close(fd);`