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Diffstat (limited to 'fs/ceph/file.c')
-rw-r--r--fs/ceph/file.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index c03ac4c4bcd1..861b9954a63a 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -805,6 +805,7 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to)
size_t len = iocb->ki_nbytes;
struct inode *inode = file_inode(filp);
struct ceph_inode_info *ci = ceph_inode(inode);
+ struct page *pinned_page = NULL;
ssize_t ret;
int want, got = 0;
int checkeof = 0, read = 0;
@@ -817,7 +818,7 @@ again:
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);
+ ret = ceph_get_caps(ci, CEPH_CAP_FILE_RD, want, -1, &got, &pinned_page);
if (ret < 0)
return ret;
@@ -840,6 +841,10 @@ again:
}
dout("aio_read %p %llx.%llx dropping cap refs on %s = %d\n",
inode, ceph_vinop(inode), ceph_cap_string(got), (int)ret);
+ if (pinned_page) {
+ page_cache_release(pinned_page);
+ pinned_page = NULL;
+ }
ceph_put_cap_refs(ci, got);
if (checkeof && ret >= 0) {
@@ -924,7 +929,8 @@ retry_snap:
else
want = CEPH_CAP_FILE_BUFFER;
got = 0;
- err = ceph_get_caps(ci, CEPH_CAP_FILE_WR, want, &got, pos + count);
+ err = ceph_get_caps(ci, CEPH_CAP_FILE_WR, want, pos + count,
+ &got, NULL);
if (err < 0)
goto out;
@@ -1225,7 +1231,7 @@ static long ceph_fallocate(struct file *file, int mode,
else
want = CEPH_CAP_FILE_BUFFER;
- ret = ceph_get_caps(ci, CEPH_CAP_FILE_WR, want, &got, endoff);
+ ret = ceph_get_caps(ci, CEPH_CAP_FILE_WR, want, endoff, &got, NULL);
if (ret < 0)
goto unlock;