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| author | Jonathan Nieder <jrnieder@gmail.com> | 2009-10-09 10:25:54 (GMT) |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2009-10-09 21:56:32 (GMT) |
| commit | 989c530e7f7f85db7fb5a340319cca88ca702b2a (patch) | |
| tree | 08dfc4273db6e7e34331c2a980ecb039f50039e5 /Documentation/technical | |
| parent | 580cbb58a29ee3ebc3714f4792d34f958fd86165 (diff) | |
| download | git-989c530e7f7f85db7fb5a340319cca88ca702b2a.zip git-989c530e7f7f85db7fb5a340319cca88ca702b2a.tar.gz git-989c530e7f7f85db7fb5a340319cca88ca702b2a.tar.bz2 | |
racy-git.txt: explain nsec problem in more detail
Idealists may want USE_NSEC to be the default on Linux some day.
Point to a patch to better explain the requirements on
filesystem code for that to happen.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation/technical')
| -rw-r--r-- | Documentation/technical/racy-git.txt | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/technical/racy-git.txt b/Documentation/technical/racy-git.txt index 48bb97f..53aa0c8 100644 --- a/Documentation/technical/racy-git.txt +++ b/Documentation/technical/racy-git.txt @@ -42,10 +42,12 @@ compared, but this is not enabled by default because this member is not stable on network filesystems. With `USE_NSEC` compile-time option, `st_mtim.tv_nsec` and `st_ctim.tv_nsec` members are also compared, but this is not enabled by default -because the value of this member becomes meaningless once the -inode is evicted from the inode cache on filesystems that do not -store it on disk. - +because in-core timestamps can have finer granularity than +on-disk timestamps, resulting in meaningless changes when an +inode is evicted from the inode cache. See commit 8ce13b0 +of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git +([PATCH] Sync in core time granuality with filesystems, +2005-01-04). Racy git -------- |