#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/writeback.h>
-#include <linux/aio.h>
#include <linux/falloc.h>
#include "super.h"
err = ceph_mdsc_do_request(mdsc,
(flags & (O_CREAT|O_TRUNC)) ? dir : NULL,
req);
+ err = ceph_handle_snapdir(req, dentry, err);
if (err)
goto out_req;
- err = ceph_handle_snapdir(req, dentry, err);
if (err == 0 && (flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
err = ceph_handle_notrace_create(dir, dentry);
}
if (err)
goto out_req;
- if (dn || dentry->d_inode == NULL || S_ISLNK(dentry->d_inode->i_mode)) {
+ if (dn || dentry->d_inode == NULL || d_is_symlink(dentry)) {
/* make vfs retry on splice, ENOENT, or symlink */
dout("atomic_open finish_no_open on dn %p\n", dn);
err = finish_no_open(file, dn);
if (ret >= 0) {
int didpages;
if (was_short && (pos + ret < inode->i_size)) {
- u64 tmp = min(this_len - ret,
- inode->i_size - pos - ret);
+ int zlen = min(this_len - ret,
+ inode->i_size - pos - ret);
+ int zoff = (o_direct ? buf_align : io_align) +
+ read + ret;
dout(" zero gap %llu to %llu\n",
- pos + ret, pos + ret + tmp);
- ceph_zero_page_vector_range(page_align + read + ret,
- tmp, pages);
- ret += tmp;
+ pos + ret, pos + ret + zlen);
+ ceph_zero_page_vector_range(zoff, zlen, pages);
+ ret += zlen;
}
didpages = (page_align + ret) >> PAGE_CACHE_SHIFT;
{
struct file *filp = iocb->ki_filp;
struct ceph_file_info *fi = filp->private_data;
- size_t len = iocb->ki_nbytes;
+ size_t len = iov_iter_count(to);
struct inode *inode = file_inode(filp);
struct ceph_inode_info *ci = ceph_inode(inode);
struct page *pinned_page = NULL;
i_size = i_size_read(inode);
if (retry_op == READ_INLINE) {
- /* does not support inline data > PAGE_SIZE */
- if (i_size > PAGE_CACHE_SIZE) {
- ret = -EIO;
- } else if (iocb->ki_pos < i_size) {
+ BUG_ON(ret > 0 || read > 0);
+ if (iocb->ki_pos < i_size &&
+ iocb->ki_pos < PAGE_CACHE_SIZE) {
loff_t end = min_t(loff_t, i_size,
iocb->ki_pos + len);
+ end = min_t(loff_t, end, PAGE_CACHE_SIZE);
if (statret < end)
zero_user_segment(page, statret, end);
ret = copy_page_to_iter(page,
iocb->ki_pos & ~PAGE_MASK,
end - iocb->ki_pos, to);
iocb->ki_pos += ret;
- } else {
- ret = 0;
+ read += ret;
+ }
+ if (iocb->ki_pos < i_size && read < len) {
+ size_t zlen = min_t(size_t, len - read,
+ i_size - iocb->ki_pos);
+ ret = iov_iter_zero(zlen, to);
+ iocb->ki_pos += ret;
+ read += ret;
}
__free_pages(page, 0);
- return ret;
+ return read;
}
/* hit EOF or hole? */
if (retry_op == CHECK_EOF && iocb->ki_pos < i_size &&
- ret < len) {
+ ret < len) {
dout("sync_read hit hole, ppos %lld < size %lld"
", reading more\n", iocb->ki_pos,
inode->i_size);