X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=ovsdb%2Flog.c;h=c0be5f5d6372f1ee08287c186b84cc8fef651566;hb=81158e4f4a7071c689aac7ac4fb1389c8e8d3875;hp=6d07aca01e65adfb10824b7f72e984dd1affa2e1;hpb=7446f1480bb27ccb63feab066d901cc940d52462;p=openvswitch diff --git a/ovsdb/log.c b/ovsdb/log.c index 6d07aca0..c0be5f5d 100644 --- a/ovsdb/log.c +++ b/ovsdb/log.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include "json.h" @@ -29,12 +30,13 @@ #include "ovsdb.h" #include "ovsdb-error.h" #include "sha1.h" +#include "socket-util.h" #include "transaction.h" #include "util.h" - -#define THIS_MODULE VLM_ovsdb_log #include "vlog.h" +VLOG_DEFINE_THIS_MODULE(ovsdb_log); + enum ovsdb_log_mode { OVSDB_LOG_READ, OVSDB_LOG_WRITE @@ -106,17 +108,7 @@ ovsdb_log_open(const char *name, enum ovsdb_log_open_mode open_mode, if (!fstat(fd, &s) && s.st_size == 0) { /* It's (probably) a new file so fsync() its parent directory to ensure * that its directory entry is committed to disk. */ - char *dir = dir_name(name); - int dirfd = open(dir, O_RDONLY); - if (dirfd >= 0) { - if (fsync(dirfd) && errno != EINVAL) { - VLOG_ERR("%s: fsync failed (%s)", dir, strerror(errno)); - } - close(dirfd); - } else { - VLOG_ERR("%s: open failed (%s)", dir, strerror(errno)); - } - free(dir); + fsync_parent_dir(name); } stream = fdopen(fd, open_mode == OVSDB_LOG_READ_ONLY ? "rb" : "w+b"); @@ -378,3 +370,11 @@ ovsdb_log_commit(struct ovsdb_log *file) return 0; } +/* Returns the current offset into the file backing 'log', in bytes. This + * reflects the number of bytes that have been read or written in the file. If + * the whole file has been read, this is the file size. */ +off_t +ovsdb_log_get_offset(const struct ovsdb_log *log) +{ + return log->offset; +}