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| author | Ilya Dryomov <idryomov@gmail.com> | 2016-04-28 16:07:24 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-05-26 00:36:27 +0200 |
| commit | 85e084feb47349d62989efe1713a8723af95f4ea (patch) | |
| tree | 61bc405871e4334f74913ea947d4ac35f2324336 /fs/ceph | |
| parent | bb873b539154ab51893430b4ad6ba4051775276a (diff) | |
| download | linux-85e084feb47349d62989efe1713a8723af95f4ea.tar.gz linux-85e084feb47349d62989efe1713a8723af95f4ea.tar.bz2 linux-85e084feb47349d62989efe1713a8723af95f4ea.zip | |
libceph: drop msg argument from ceph_osdc_callback_t
finish_read(), its only user, uses it to get to hdr.data_len, which is
what ->r_result is set to on success. This gains us the ability to
safely call callbacks from contexts other than reply, e.g. map check.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/addr.c | 9 | ||||
| -rw-r--r-- | fs/ceph/file.c | 7 |
2 files changed, 7 insertions, 9 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 59b3c3fbd3bd..a11756a39471 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -257,12 +257,12 @@ static int ceph_readpage(struct file *filp, struct page *page) /* * Finish an async read(ahead) op. */ -static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg) +static void finish_read(struct ceph_osd_request *req) { struct inode *inode = req->r_inode; struct ceph_osd_data *osd_data; - int rc = req->r_result; - int bytes = le32_to_cpu(msg->hdr.data_len); + int rc = req->r_result <= 0 ? req->r_result : 0; + int bytes = req->r_result >= 0 ? req->r_result : 0; int num_pages; int i; @@ -598,8 +598,7 @@ static void ceph_release_pages(struct page **pages, int num) * If we get an error, set the mapping error bit, but not the individual * page error bits. */ -static void writepages_finish(struct ceph_osd_request *req, - struct ceph_msg *msg) +static void writepages_finish(struct ceph_osd_request *req) { struct inode *inode = req->r_inode; struct ceph_inode_info *ci = ceph_inode(inode); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 52e4b72dd5de..e75fd0b028e9 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -616,8 +616,7 @@ static void ceph_aio_complete(struct inode *inode, kfree(aio_req); } -static void ceph_aio_complete_req(struct ceph_osd_request *req, - struct ceph_msg *msg) +static void ceph_aio_complete_req(struct ceph_osd_request *req) { int rc = req->r_result; struct inode *inode = req->r_inode; @@ -740,7 +739,7 @@ static void ceph_aio_retry_work(struct work_struct *work) out: if (ret < 0) { req->r_result = ret; - ceph_aio_complete_req(req, NULL); + ceph_aio_complete_req(req); } ceph_put_snap_context(snapc); @@ -961,7 +960,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter, req, false); if (ret < 0) { req->r_result = ret; - ceph_aio_complete_req(req, NULL); + ceph_aio_complete_req(req); } } return -EIOCBQUEUED; |