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idl: Optionally warn when writing to read-write columns.

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ovs-vswitchd should only write to write-only columns.  Furthermore,
writing to a column which is not write-only can cause serious
performance degradations.  This patch causes ovs-vswitchd to log
and reject writes to read-write columns.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
This commit is contained in:
Ethan Jackson
2012-09-20 11:13:15 -07:00
parent 3b4c362f40
commit 8cdec72569
3 changed files with 24 additions and 3 deletions
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1
lib/ovsdb-idl.h
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@@ -57,6 +57,7 @@ bool ovsdb_idl_is_lock_contended(const struct ovsdb_idl *);
unsigned int ovsdb_idl_get_seqno(const struct ovsdb_idl *);
bool ovsdb_idl_has_ever_connected(const struct ovsdb_idl *);
void ovsdb_idl_force_reconnect(struct ovsdb_idl *);
void ovsdb_idl_verify_write_only(struct ovsdb_idl *);
/* Choosing columns and tables to replicate. */