diff options
Diffstat (limited to 'fs/ceph/file.c')
| -rw-r--r-- | fs/ceph/file.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 7c08698fad3e..8c044a4f0457 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -317,7 +317,7 @@ void ceph_release_page_vector(struct page **pages, int num_pages) /* * allocate a vector new pages */ -struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags) +static struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags) { struct page **pages; int i; @@ -665,7 +665,7 @@ more: * throw out any page cache pages in this range. this * may block. */ - truncate_inode_pages_range(inode->i_mapping, pos, + truncate_inode_pages_range(inode->i_mapping, pos, (pos+len) | (PAGE_CACHE_SIZE-1)); } else { pages = ceph_alloc_page_vector(num_pages, GFP_NOFS); @@ -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; + void __user *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... */ @@ -807,11 +811,12 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { struct file *file = iocb->ki_filp; + struct ceph_file_info *fi = file->private_data; struct inode *inode = file->f_dentry->d_inode; struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_osd_client *osdc = &ceph_sb_to_client(inode->i_sb)->osdc; loff_t endoff = pos + iov->iov_len; - int got = 0; + int want, got = 0; int ret, err; if (ceph_snap(inode) != CEPH_NOSNAP) @@ -824,8 +829,11 @@ retry_snap: dout("aio_write %p %llx.%llx %llu~%u getting caps. i_size %llu\n", inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len, inode->i_size); - ret = ceph_get_caps(ci, CEPH_CAP_FILE_WR, CEPH_CAP_FILE_BUFFER, - &got, endoff); + if (fi->fmode & CEPH_FILE_MODE_LAZY) + want = CEPH_CAP_FILE_BUFFER | CEPH_CAP_FILE_LAZYIO; + else + want = CEPH_CAP_FILE_BUFFER; + ret = ceph_get_caps(ci, CEPH_CAP_FILE_WR, want, &got, endoff); if (ret < 0) goto out; @@ -833,7 +841,7 @@ retry_snap: inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len, ceph_cap_string(got)); - if ((got & CEPH_CAP_FILE_BUFFER) == 0 || + if ((got & (CEPH_CAP_FILE_BUFFER|CEPH_CAP_FILE_LAZYIO)) == 0 || (iocb->ki_filp->f_flags & O_DIRECT) || (inode->i_sb->s_flags & MS_SYNCHRONOUS)) { ret = ceph_sync_write(file, iov->iov_base, iov->iov_len, @@ -930,6 +938,8 @@ const struct file_operations ceph_file_fops = { .aio_write = ceph_aio_write, .mmap = ceph_mmap, .fsync = ceph_fsync, + .lock = ceph_lock, + .flock = ceph_flock, .splice_read = generic_file_splice_read, .splice_write = generic_file_splice_write, .unlocked_ioctl = ceph_ioctl, |