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| author | Pádraig Brady <P@draigBrady.com> | 2009-03-06 22:30:55 +0000 |
|---|---|---|
| committer | Pádraig Brady <P@draigBrady.com> | 2009-03-11 14:19:08 +0000 |
| commit | 55efc5f3ee485b3e31a91c331f07c89aeccc4e89 (patch) | |
| tree | 95b9123d558a3583053b103ca8a294a0dcc84464 /src/split.c | |
| parent | 93f6771e82401f4c88219938602d4f09628301f4 (diff) | |
| download | coreutils-55efc5f3ee485b3e31a91c331f07c89aeccc4e89.tar.gz | |
cat,cp,mv,install,split: Set the minimum IO block size used to 32KiB
This is following on from this change:
[02c3dc9d 2008-03-06 cat: use larger buffer sizes ...]
which increased the IO block size used by cat by 8 times,
but also capped it at 32KiB.
* NEWS: Mention the change in behavior.
* src/system.h: Add a new io_blksize() function that
returns the max of ST_BLKSIZE or 32KiB, as this was
seen as a good value for a minimum block size to use
to get good performance while minimizing system call overhead.
* src/cat.c: Use it.
* src/copy.c: ditto
* src/split.c: ditto
Diffstat (limited to 'src/split.c')
| -rw-r--r-- | src/split.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/split.c b/src/split.c index 1d8a94ca7..f8e26835b 100644 --- a/src/split.c +++ b/src/split.c @@ -554,7 +554,7 @@ main (int argc, char **argv) if (fstat (STDIN_FILENO, &stat_buf) != 0) error (EXIT_FAILURE, errno, "%s", infile); - in_blk_size = ST_BLKSIZE (stat_buf); + in_blk_size = io_blksize (stat_buf); buf = ptr_align (xmalloc (in_blk_size + 1 + page_size - 1), page_size); |