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authorJuan Carlos <juancarlospaco@gmail.com>2023-10-01 02:19:37 -0300
committerGitHub <noreply@github.com>2023-10-01 07:19:37 +0200
commitb60f15e0dcfd514521bfc2e33c6f2728f565bc9d (patch)
tree0de0780b0bb35c174f618a9fe99a3d6e85e13d92 /changelog.md
parentc3b95cbd2c944512585b843df7f0920894cf16ae (diff)
downloadNim-b60f15e0dcfd514521bfc2e33c6f2728f565bc9d.tar.gz
copyFile with POSIX_FADV_SEQUENTIAL (#22776)
- Continuation of https://github.com/nim-lang/Nim/pull/22769
- See
https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_fadvise.html
- The code was already there in `std/posix` since years ago. 3 line
diff.

---------

Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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 [//]: # "Changes:"
 
 - Changed `std/osfiles.copyFile` to allow to specify `bufferSize` instead of a hardcoded one.
+- Changed `std/osfiles.copyFile` to use `POSIX_FADV_SEQUENTIAL` hints for kernel-level aggressive sequential read-aheads.
 
 [//]: # "Additions:"