diff options
| author | Kent Overstreet <koverstreet@google.com> | 2013-02-20 13:16:54 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-03-01 15:17:32 +1100 |
| commit | cfdc1b7046bc9e5f937c01255bef83464cbdc1e6 (patch) | |
| tree | fa3a75beb14600b30622e5cf8e48ee353a5be327 | |
| parent | a1e520ba6a023f257b37b4860aac1485ba138d59 (diff) | |
aio-kill-ki_retry-fix-fix
The "aio: kill ki-retry" patch was assuming that we didn't touch struct
kiocb after passing it off to something that would call aio_complete() -
which was wrong. So, revert the refcounting changes.
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | fs/aio.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -587,7 +587,7 @@ static inline struct kiocb *aio_get_req(struct kioctx *ctx) if (unlikely(!req)) goto out_put; - atomic_set(&req->ki_users, 1); + atomic_set(&req->ki_users, 2); req->ki_ctx = ctx; return req; out_put: @@ -1182,10 +1182,12 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, if (ret) goto out_put_req; + aio_put_req(req); /* drop extra ref to req */ return 0; out_put_req: put_reqs_available(ctx, 1); - aio_put_req(req); + aio_put_req(req); /* drop extra ref to req */ + aio_put_req(req); /* drop i/o ref to req */ return ret; } |