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| author | Al Viro <viro@zeniv.linux.org.uk> | 2006-03-18 13:21:20 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2006-03-18 18:34:12 -0500 |
| commit | e17a9489b4a686bb5e9615e1d375c67619cb99c5 (patch) | |
| tree | e6574d24ad8f16fefe7663c91cf19109e48f8c6c /block/as-iosched.c | |
| parent | 25975f863b0fd42c58109e253e7a4c65d9fdaf48 (diff) | |
| download | lwn-e17a9489b4a686bb5e9615e1d375c67619cb99c5.tar.gz lwn-e17a9489b4a686bb5e9615e1d375c67619cb99c5.zip | |
[PATCH] stop elv_unregister() from rogering other iosched's data, fix locking
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'block/as-iosched.c')
| -rw-r--r-- | block/as-iosched.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/block/as-iosched.c b/block/as-iosched.c index 8da3cf66894c..d2ee2af44b58 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -195,6 +195,12 @@ static void free_as_io_context(struct as_io_context *aic) kfree(aic); } +static void as_trim(struct io_context *ioc) +{ + kfree(ioc->aic); + ioc->aic = NULL; +} + /* Called when the task exits */ static void exit_as_io_context(struct as_io_context *aic) { @@ -1860,6 +1866,7 @@ static struct elevator_type iosched_as = { .elevator_may_queue_fn = as_may_queue, .elevator_init_fn = as_init_queue, .elevator_exit_fn = as_exit_queue, + .trim = as_trim, }, .elevator_ktype = &as_ktype, |