diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-01-28 02:41:34 +0300 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-01-28 02:41:34 +0300 |
commit | b5c60fc7870a66d89de571e96596b0745edcd6d9 (patch) | |
tree | 29b3595303de8e526b9f64d3a2d2456f783efe2a /miscutils/readahead.c | |
parent | da42bd5bbe6fdda12133e7305b1a3e7cee506cc8 (diff) |
mkswap, readahead: stop using fdlength, it is reported to be unreliable
Diffstat (limited to 'miscutils/readahead.c')
-rw-r--r-- | miscutils/readahead.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/miscutils/readahead.c b/miscutils/readahead.c index 7b375cfff..fb71ce85f 100644 --- a/miscutils/readahead.c +++ b/miscutils/readahead.c @@ -22,9 +22,16 @@ int readahead_main(int argc, char **argv) while (*++argv) { int fd = open_or_warn(*argv, O_RDONLY); if (fd >= 0) { - int r = readahead(fd, 0, fdlength(fd)); + off_t len; + int r; + + /* fdlength was reported to be unreliable - use seek */ + len = xlseek(fd, 0, SEEK_END); + xlseek(fd, 0, SEEK_SET); + r = readahead(fd, 0, len); close(fd); - if (r >= 0) continue; + if (r >= 0) + continue; } retval = EXIT_FAILURE; } |