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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-11 12:33:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-11 12:33:03 -0700 |
| commit | e013f74b60bbd37ee8c3a55214eb351ea3101c15 (patch) | |
| tree | 096b59f550dea6df9347edf97b872dc75a79f653 /fs/ceph/addr.c | |
| parent | 01cab5549c3e9a0fe7248fc5ad0fd79361cc0d39 (diff) | |
| parent | 438386853d4c0c48fe73bf05a7d61c70ca5a3bfb (diff) | |
| download | linux-e013f74b60bbd37ee8c3a55214eb351ea3101c15.tar.bz2 | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph update from Sage Weil:
"There are a few fixes for snapshot behavior with CephFS and support
for the new keepalive protocol from Zheng, a libceph fix that affects
both RBD and CephFS, a few bug fixes and cleanups for RBD from Ilya,
and several small fixes and cleanups from Jianpeng and others"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: improve readahead for file holes
ceph: get inode size for each append write
libceph: check data_len in ->alloc_msg()
libceph: use keepalive2 to verify the mon session is alive
rbd: plug rbd_dev->header.object_prefix memory leak
rbd: fix double free on rbd_dev->header_name
libceph: set 'exists' flag for newly up osd
ceph: cleanup use of ceph_msg_get
ceph: no need to get parent inode in ceph_open
ceph: remove the useless judgement
ceph: remove redundant test of head->safe and silence static analysis warnings
ceph: fix queuing inode to mdsdir's snaprealm
libceph: rename con_work() to ceph_con_workfn()
libceph: Avoid holding the zero page on ceph_msgr_slab_init errors
libceph: remove the unused macro AES_KEY_SIZE
ceph: invalidate dirty pages after forced umount
ceph: EIO all operations after forced umount
Diffstat (limited to 'fs/ceph/addr.c')
| -rw-r--r-- | fs/ceph/addr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index a268abfe60ac..9d23e788d1df 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -276,7 +276,7 @@ static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg) for (i = 0; i < num_pages; i++) { struct page *page = osd_data->pages[i]; - if (rc < 0) + if (rc < 0 && rc != ENOENT) goto unlock; if (bytes < (int)PAGE_CACHE_SIZE) { /* zero (remainder of) page */ @@ -717,8 +717,10 @@ static int ceph_writepages_start(struct address_space *mapping, wbc->sync_mode == WB_SYNC_NONE ? "NONE" : (wbc->sync_mode == WB_SYNC_ALL ? "ALL" : "HOLD")); - if (fsc->mount_state == CEPH_MOUNT_SHUTDOWN) { + if (ACCESS_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) { pr_warn("writepage_start %p on forced umount\n", inode); + truncate_pagecache(inode, 0); + mapping_set_error(mapping, -EIO); return -EIO; /* we're in a forced umount, don't write! */ } if (fsc->mount_options->wsize && fsc->mount_options->wsize < wsize) |