diff options
| -rw-r--r-- | fs/ceph/addr.c | 2 | ||||
| -rw-r--r-- | fs/ceph/caps.c | 16 | ||||
| -rw-r--r-- | fs/ceph/file.c | 12 | ||||
| -rw-r--r-- | fs/ceph/inode.c | 5 |
4 files changed, 22 insertions, 13 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index d9c60b8..e00797e 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -552,7 +552,7 @@ static void writepages_finish(struct ceph_osd_request *req, * page truncation thread, possibly losing some data that * raced its way in */ - if ((issued & CEPH_CAP_FILE_CACHE) == 0) + if ((issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0) generic_error_remove_page(inode->i_mapping, page); unlock_page(page); diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 1a70a3e..b28915d 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -482,8 +482,8 @@ static void __check_cap_issue(struct ceph_inode_info *ci, struct ceph_cap *cap, * Each time we receive FILE_CACHE anew, we increment * i_rdcache_gen. */ - if ((issued & CEPH_CAP_FILE_CACHE) && - (had & CEPH_CAP_FILE_CACHE) == 0) + if ((issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) && + (had & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0) ci->i_rdcache_gen++; /* @@ -1509,11 +1509,13 @@ retry_locked: ci->i_wrbuffer_ref == 0 && /* no dirty pages... */ ci->i_rdcache_gen && /* may have cached pages */ (file_wanted == 0 || /* no open files */ - (revoking & CEPH_CAP_FILE_CACHE)) && /* or revoking cache */ + (revoking & (CEPH_CAP_FILE_CACHE| + CEPH_CAP_FILE_LAZYIO))) && /* or revoking cache */ !tried_invalidate) { dout("check_caps trying to invalidate on %p\n", inode); if (try_nonblocking_invalidate(inode) < 0) { - if (revoking & CEPH_CAP_FILE_CACHE) { + if (revoking & (CEPH_CAP_FILE_CACHE| + CEPH_CAP_FILE_LAZYIO)) { dout("check_caps queuing invalidate\n"); queue_invalidate = 1; ci->i_rdcache_revoking = ci->i_rdcache_gen; @@ -2276,7 +2278,8 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, * try to invalidate (once). (If there are dirty buffers, we * will invalidate _after_ writeback.) */ - if (((cap->issued & ~newcaps) & CEPH_CAP_FILE_CACHE) && + if (((cap->issued & ~newcaps) & (CEPH_CAP_FILE_CACHE| + CEPH_CAP_FILE_LAZYIO)) && !ci->i_wrbuffer_ref) { if (try_nonblocking_invalidate(inode) == 0) { revoked_rdcache = 1; @@ -2374,7 +2377,8 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, writeback = 1; /* will delay ack */ else if (dirty & ~newcaps) check_caps = 1; /* initiate writeback in check_caps */ - else if (((used & ~newcaps) & CEPH_CAP_FILE_CACHE) == 0 || + else if (((used & ~newcaps) & (CEPH_CAP_FILE_CACHE| + CEPH_CAP_FILE_LAZYIO)) == 0 || revoked_rdcache) check_caps = 2; /* send revoke ack in check_caps */ cap->issued = newcaps; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 85c86ed5..2329244 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -740,28 +740,32 @@ static ssize_t ceph_aio_read(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { struct file *filp = iocb->ki_filp; + struct ceph_file_info *fi = filp->private_data; loff_t *ppos = &iocb->ki_pos; size_t len = iov->iov_len; struct inode *inode = filp->f_dentry->d_inode; struct ceph_inode_info *ci = ceph_inode(inode); void *base = iov->iov_base; ssize_t ret; - int got = 0; + int want, got = 0; int checkeof = 0, read = 0; dout("aio_read %p %llx.%llx %llu~%u trying to get caps on %p\n", inode, ceph_vinop(inode), pos, (unsigned)len, inode); again: __ceph_do_pending_vmtruncate(inode); - ret = ceph_get_caps(ci, CEPH_CAP_FILE_RD, CEPH_CAP_FILE_CACHE, - &got, -1); + if (fi->fmode & CEPH_FILE_MODE_LAZY) + want = CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO; + else + want = CEPH_CAP_FILE_CACHE; + ret = ceph_get_caps(ci, CEPH_CAP_FILE_RD, want, &got, -1); if (ret < 0) goto out; dout("aio_read %p %llx.%llx %llu~%u got cap refs on %s\n", inode, ceph_vinop(inode), pos, (unsigned)len, ceph_cap_string(got)); - if ((got & CEPH_CAP_FILE_CACHE) == 0 || + if ((got & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0 || (iocb->ki_filp->f_flags & O_DIRECT) || (inode->i_sb->s_flags & MS_SYNCHRONOUS)) /* hmm, this isn't really async... */ diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 389f9db..5d893d3 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -442,8 +442,9 @@ int ceph_fill_file_size(struct inode *inode, int issued, * the file is either opened or mmaped */ if ((issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_RD| - CEPH_CAP_FILE_WR|CEPH_CAP_FILE_BUFFER| - CEPH_CAP_FILE_EXCL)) || + CEPH_CAP_FILE_WR|CEPH_CAP_FILE_BUFFER| + CEPH_CAP_FILE_EXCL| + CEPH_CAP_FILE_LAZYIO)) || mapping_mapped(inode->i_mapping) || __ceph_caps_file_wanted(ci)) { ci->i_truncate_pending++; |
