diff options
Diffstat (limited to 'support/nfs/cacheio.c')
| -rw-r--r-- | support/nfs/cacheio.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/support/nfs/cacheio.c b/support/nfs/cacheio.c index 48292f8..f303734 100644 --- a/support/nfs/cacheio.c +++ b/support/nfs/cacheio.c @@ -24,6 +24,7 @@ #include <sys/stat.h> #include <fcntl.h> #include <time.h> +#include <errno.h> void qword_add(char **bpp, int *lp, char *str) { @@ -125,7 +126,10 @@ void qword_print(FILE *f, char *str) char *bp = qword_buf; int len = sizeof(qword_buf); qword_add(&bp, &len, str); - fwrite(qword_buf, bp-qword_buf, 1, f); + if (fwrite(qword_buf, bp-qword_buf, 1, f) != 1) { + xlog_warn("qword_print: fwrite failed: errno %d (%s)", + errno, strerror(errno)); + } } void qword_printhex(FILE *f, char *str, int slen) @@ -133,7 +137,10 @@ void qword_printhex(FILE *f, char *str, int slen) char *bp = qword_buf; int len = sizeof(qword_buf); qword_addhex(&bp, &len, str, slen); - fwrite(qword_buf, bp-qword_buf, 1, f); + if (fwrite(qword_buf, bp-qword_buf, 1, f) != 1) { + xlog_warn("qword_printhex: fwrite failed: errno %d (%s)", + errno, strerror(errno)); + } } void qword_printint(FILE *f, int num) @@ -318,7 +325,10 @@ cache_flush(int force) sprintf(path, "/proc/net/rpc/%s/flush", cachelist[c]); fd = open(path, O_RDWR); if (fd >= 0) { - write(fd, stime, strlen(stime)); + if (write(fd, stime, strlen(stime)) != strlen(stime)) { + xlog_warn("Writing to '%s' failed: errno %d (%s)", + path, errno, strerror(errno)); + } close(fd); } } |