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| author | Denis Vlasenko | 2008-01-27 23:41:34 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2008-01-27 23:41:34 +0000 |
| commit | b5c60fc7870a66d89de571e96596b0745edcd6d9 (patch) | |
| tree | 29b3595303de8e526b9f64d3a2d2456f783efe2a /util-linux/mkswap.c | |
| parent | da42bd5bbe6fdda12133e7305b1a3e7cee506cc8 (diff) | |
| download | busybox-b5c60fc7870a66d89de571e96596b0745edcd6d9.zip busybox-b5c60fc7870a66d89de571e96596b0745edcd6d9.tar.gz | |
mkswap, readahead: stop using fdlength, it is reported to be unreliable
Diffstat (limited to 'util-linux/mkswap.c')
| -rw-r--r-- | util-linux/mkswap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c index 8e1fbc3..f047cce 100644 --- a/util-linux/mkswap.c +++ b/util-linux/mkswap.c @@ -64,9 +64,11 @@ int mkswap_main(int argc, char **argv) // Figure out how big the device is and announce our intentions. fd = xopen(argv[1], O_RDWR); - len = fdlength(fd); + /* fdlength was reported to be unreliable - use seek */ + len = xlseek(fd, 0, SEEK_END); + xlseek(fd, 0, SEEK_SET); pagesize = getpagesize(); - printf("Setting up swapspace version 1, size = %"OFF_FMT"d bytes\n", + printf("Setting up swapspace version 1, size = %"OFF_FMT"u bytes\n", len - pagesize); mkswap_selinux_setcontext(fd, argv[1]); |