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author | David Disseldorp <ddiss@samba.org> | 2015-02-09 19:39:06 +0100 |
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committer | Jeremy Allison <jra@samba.org> | 2015-03-09 21:27:07 +0100 |
commit | 762f9cbe60fe3a5ee6f528276c095ad736c776ee (patch) | |
tree | 06194489326b407c4759fef13c2da6d67edaf41f | |
parent | 12c0b6bf4055b0466d0a2962d5ac34ac60357de3 (diff) | |
download | samba-762f9cbe60fe3a5ee6f528276c095ad736c776ee.tar.gz samba-762f9cbe60fe3a5ee6f528276c095ad736c776ee.tar.xz samba-762f9cbe60fe3a5ee6f528276c095ad736c776ee.zip |
build: check for fallocate hole-punch support
Add a configure time check for the FALLOC_FL_PUNCH_HOLE Linux specific
fallocate() flag. It's been around since 2.6.38.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
-rw-r--r-- | source3/wscript | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source3/wscript b/source3/wscript index 2c03c304db..7e02b31f37 100644 --- a/source3/wscript +++ b/source3/wscript @@ -517,6 +517,11 @@ return acl_get_perm_np(permset_d, perm); 'HAVE_LINUX_FALLOCATE', msg="Checking whether the Linux 'fallocate' function is available", headers='unistd.h sys/types.h fcntl.h linux/falloc.h') + conf.CHECK_CODE(''' + int ret = fallocate(0, FALLOC_FL_PUNCH_HOLE, 0, 10);''', + 'HAVE_FALLOC_FL_PUNCH_HOLE', + msg="Checking whether Linux 'fallocate' supports hole-punching", + headers='unistd.h sys/types.h fcntl.h linux/falloc.h') conf.CHECK_CODE(''' ssize_t err = readahead(0,0,0x80000);''', 'HAVE_LINUX_READAHEAD', |