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| author | Volker Lendecke <vlendec@samba.org> | 2007-03-06 10:11:15 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 14:49:18 -0500 |
| commit | 0aebd296cd6834567509d0b100d486f1ef4d104e (patch) | |
| tree | bc473b0d17e6f1abcad2e407870a5942b05c289b /source4/lib/tdb/common/open.c | |
| parent | 0fa6e86b5799637ade610915ffb4c6443334bc8e (diff) | |
| download | samba-0aebd296cd6834567509d0b100d486f1ef4d104e.tar.gz samba-0aebd296cd6834567509d0b100d486f1ef4d104e.tar.bz2 samba-0aebd296cd6834567509d0b100d486f1ef4d104e.zip | |
r21722: Add the dead record functionality presented on samba-technical@samba.org. If
you do a tdb_set_max_dead(tdb, n), then for this tdb a delete operation will
only mark a record as dead and re-use it if a new record is created. The
parameter n allows for at most n dead records per hash chain. If this number
is exceeded, all dead records are put on the central freelist.
Volker
(This used to be commit 98a27ab28a3cd554e370a9a0e3652f4dea8749e9)
Diffstat (limited to 'source4/lib/tdb/common/open.c')
| -rw-r--r-- | source4/lib/tdb/common/open.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source4/lib/tdb/common/open.c b/source4/lib/tdb/common/open.c index 3d6e222b96..47e3258c09 100644 --- a/source4/lib/tdb/common/open.c +++ b/source4/lib/tdb/common/open.c @@ -263,6 +263,7 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, tdb->map_size = st.st_size; tdb->device = st.st_dev; tdb->inode = st.st_ino; + tdb->max_dead_records = 0; tdb_mmap(tdb); if (locked) { if (tdb->methods->tdb_brlock(tdb, ACTIVE_LOCK, F_UNLCK, F_SETLK, 0, 1) == -1) { @@ -321,6 +322,15 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, } } +/* + * Set the maximum number of dead records per hash chain + */ + +void tdb_set_max_dead(struct tdb_context *tdb, int max_dead) +{ + tdb->max_dead_records = max_dead; +} + /** * Close a database. * |