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author | Volker Lendecke <vl@samba.org> | 2009-11-16 09:40:47 +0100 |
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committer | Volker Lendecke <vl@samba.org> | 2009-11-21 11:40:13 +0100 |
commit | f0a933d1408678fabc856e89a5aaebb792047de3 (patch) | |
tree | a6740c2d9bcd89d3dbec413d681eaef9561dd014 /source3/include/smb.h | |
parent | bda1c701f418d3263d36714f9b646ab60ea2da0f (diff) | |
download | samba-f0a933d1408678fabc856e89a5aaebb792047de3.tar.gz samba-f0a933d1408678fabc856e89a5aaebb792047de3.tar.bz2 samba-f0a933d1408678fabc856e89a5aaebb792047de3.zip |
s3: Cache brlock.tdb entries for the fast read&write strict locking code path
For a netbench run this gains around 2% user-space CPU, fetching a 100MB file
takes around 4% less.
Diffstat (limited to 'source3/include/smb.h')
-rw-r--r-- | source3/include/smb.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source3/include/smb.h b/source3/include/smb.h index 2ff60f6c44..a3acb7c415 100644 --- a/source3/include/smb.h +++ b/source3/include/smb.h @@ -461,6 +461,14 @@ typedef struct files_struct { struct files_struct *base_fsp; /* placeholder for delete on close */ + /* + * Read-only cached brlock record, thrown away when the + * brlock.tdb seqnum changes. This avoids fetching data from + * the brlock.tdb on every read/write call. + */ + int brlock_seqnum; + struct byte_range_lock *brlock_rec; + struct dptr_struct *dptr; } files_struct; |