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copyup: minor fixes for sendfile()

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Stephane Thiell 2019-05-02 11:57:50 -07:00
parent cdd706782f
commit a558c9ab3c
1 changed files with 2 additions and 1 deletions
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3
main.c
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@ -2093,13 +2093,14 @@ copyup (struct ovl_data *lo, struct ovl_node *node)
while (copied < st.st_size) while (copied < st.st_size)
{ {
off_t tocopy = st.st_size - copied; off_t tocopy = st.st_size - copied;
ssize_t n = sendfile (dfd, sfd, NULL, tocopy > SIZE_MAX ? SIZE_MAX : (size_t) tocopy); ssize_t n = TEMP_FAILURE_RETRY (sendfile (dfd, sfd, NULL, tocopy > SIZE_MAX ? SIZE_MAX : (size_t) tocopy));
if (n < 0) if (n < 0)
{ {
/* On failure, fallback to the read/write loop. */ /* On failure, fallback to the read/write loop. */
ret = copy_fd_to_fd (sfd, dfd, buf, buf_size); ret = copy_fd_to_fd (sfd, dfd, buf, buf_size);
if (ret < 0) if (ret < 0)
goto exit; goto exit;
break;
} }
copied += n; copied += n;
} }