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ceph: cleanup ACCESS_ONCE -> READ_ONCE 

This removes the uses of ACCESS_ONCE in favor of READ_ONCE

Signed-off-by: Seraphime Kirkovski <kirkseraph@gmail.com>
Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Seraphime Kirkovski 2016-12-26 10:26:34 +01:00 committed by Ilya Dryomov
parent ca6c8ae0f7
commit 52953d5591
5 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/ceph/addr.c
View File

@ -771,7 +771,7 @@ static int ceph_writepages_start(struct address_space *mapping,
wbc->sync_mode == WB_SYNC_NONE ? "NONE" :
(wbc->sync_mode == WB_SYNC_ALL ? "ALL" : "HOLD"));
if (ACCESS_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
if (READ_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
if (ci->i_wrbuffer_ref > 0) {
pr_warn_ratelimited(
"writepage_start %p %lld forced umount\n",
@ -1194,7 +1194,7 @@ static int ceph_update_writeable_page(struct file *file,
int r;
struct ceph_snap_context *snapc, *oldest;
if (ACCESS_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
if (READ_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
dout(" page %p forced umount\n", page);
unlock_page(page);
return -EIO;

2
fs/ceph/caps.c
View File

@ -2477,7 +2477,7 @@ again:
if (ci->i_ceph_flags & CEPH_I_CAP_DROPPED) {
int mds_wanted;
if (ACCESS_ONCE(mdsc->fsc->mount_state) ==
if (READ_ONCE(mdsc->fsc->mount_state) ==
CEPH_MOUNT_SHUTDOWN) {
dout("get_cap_refs %p forced umount\n", inode);
*err = -EIO;

2
fs/ceph/dir.c
View File

@ -1194,7 +1194,7 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags)
struct inode *dir;
if (flags & LOOKUP_RCU) {
parent = ACCESS_ONCE(dentry->d_parent);
parent = READ_ONCE(dentry->d_parent);
dir = d_inode_rcu(parent);
if (!dir)
return -ECHILD;

2
fs/ceph/inode.c
View File

@ -1720,7 +1720,7 @@ static void ceph_invalidate_work(struct work_struct *work)
mutex_lock(&ci->i_truncate_mutex);
if (ACCESS_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
if (READ_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
pr_warn_ratelimited("invalidate_pages %p %lld forced umount\n",
inode, ceph_ino(inode));
mapping_set_error(inode->i_mapping, -EIO);

10
fs/ceph/mds_client.c
View File

@ -1166,7 +1166,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
ci->i_ceph_flags |= CEPH_I_CAP_DROPPED;
if (ci->i_wrbuffer_ref > 0 &&
ACCESS_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN)
READ_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN)
invalidate = true;
while (!list_empty(&ci->i_cap_flush_list)) {
@ -2126,12 +2126,12 @@ static int __do_request(struct ceph_mds_client *mdsc,
err = -EIO;
goto finish;
}
if (ACCESS_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
if (READ_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
dout("do_request forced umount\n");
err = -EIO;
goto finish;
}
if (ACCESS_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_MOUNTING) {
if (READ_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_MOUNTING) {
if (mdsc->mdsmap_err) {
err = mdsc->mdsmap_err;
dout("do_request mdsmap err %d\n", err);
@ -3586,7 +3586,7 @@ void ceph_mdsc_sync(struct ceph_mds_client *mdsc)
{
u64 want_tid, want_flush;
if (ACCESS_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN)
if (READ_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN)
return;
dout("sync\n");
@ -3617,7 +3617,7 @@ void ceph_mdsc_sync(struct ceph_mds_client *mdsc)
*/
static bool done_closing_sessions(struct ceph_mds_client *mdsc, int skipped)
{
if (ACCESS_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN)
if (READ_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN)
return true;
return atomic_read(&mdsc->num_sessions) <= skipped;
}