diff options
author | Jeremy Allison <jra@samba.org> | 2016-07-21 16:24:59 -0700 |
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committer | Ralph Boehme <slow@samba.org> | 2016-07-22 14:13:51 +0200 |
commit | c8f2bb12ebe480a1a0718dbcaa2b271428657b14 (patch) | |
tree | 0a87ebf5fdce01831968ebfa7fcc989cc800e44f /WHATSNEW.txt | |
parent | 95e3d185ba88e48fa7b613b54587557dc6452a71 (diff) | |
download | samba-c8f2bb12ebe480a1a0718dbcaa2b271428657b14.tar.gz |
WHATSNEW. Add text for Open File Description (OFD) locks.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Jul 22 14:13:52 CEST 2016 on sn-devel-144
Diffstat (limited to 'WHATSNEW.txt')
-rw-r--r-- | WHATSNEW.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/WHATSNEW.txt b/WHATSNEW.txt index 2cda3750ebc..7d2405b6058 100644 --- a/WHATSNEW.txt +++ b/WHATSNEW.txt @@ -135,6 +135,17 @@ by SMB 1 oplocks. This feature was disabled in previous releases, but the SMB2 leasing code is now considered mature and stable enough to be enabled by default. +Open File Description (OFD) Locks +--------------------------------- + +On systems that support them (currently only Linux), the fileserver now +uses Open File Description (OFD) locks instead of POSIX locks to implement +client byte range locks. As these locks are associated with a specific +file descriptor on a file this allows more efficient use when multiple +descriptors having file locks are opened onto the same file. An internal +tunable "smbd:force process locks = true" may be used to turn off OFD +locks if there appear to be problems with them. + REMOVED FEATURES ================ |