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ceph: include snapc in debug message of write 

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng 2017-08-16 17:24:58 +08:00 committed by Ilya Dryomov
parent 24d063acc2
commit 1c0a9c2d97
2 changed files with 8 additions and 7 deletions
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4
fs/ceph/addr.c
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@ -569,8 +569,8 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
if (snap_size < page_off + len)
len = snap_size - page_off;
dout("writepage %p page %p index %lu on %llu~%u snapc %p\n",
inode, page, page->index, page_off, len, snapc);
dout("writepage %p page %p index %lu on %llu~%u snapc %p seq %lld\n",
inode, page, page->index, page_off, len, snapc, snapc->seq);
writeback_stat = atomic_long_inc_return(&fsc->writeback_count);
if (writeback_stat >

11
fs/ceph/file.c
View File

@ -562,8 +562,7 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *to,
ssize_t ret;
size_t len = iov_iter_count(to);
dout("sync_read on file %p %llu~%u %s\n", file, off,
(unsigned)len,
dout("sync_read on file %p %llu~%u %s\n", file, off, (unsigned)len,
(file->f_flags & O_DIRECT) ? "O_DIRECT" : "");
if (!len)
@ -846,8 +845,9 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
if (write && ceph_snap(file_inode(file)) != CEPH_NOSNAP)
return -EROFS;
dout("sync_direct_read_write (%s) on file %p %lld~%u\n",
(write ? "write" : "read"), file, pos, (unsigned)count);
dout("sync_direct_%s on file %p %lld~%u snapc %p seq %lld\n",
(write ? "write" : "read"), file, pos, (unsigned)count,
snapc, snapc->seq);
ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + count);
if (ret < 0)
@ -1050,7 +1050,8 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos,
if (ceph_snap(file_inode(file)) != CEPH_NOSNAP)
return -EROFS;
dout("sync_write on file %p %lld~%u\n", file, pos, (unsigned)count);
dout("sync_write on file %p %lld~%u snapc %p seq %lld\n",
file, pos, (unsigned)count, snapc, snapc->seq);
ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + count);
if (ret < 0)