arch: Mass conversion of smp_mb__*()
Mostly scripted conversion of the smp_mb__* barriers.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index c9a2444..2256e9c 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -279,7 +279,7 @@
static inline void btrfs_inode_resume_unlocked_dio(struct inode *inode)
{
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(BTRFS_INODE_READDIO_NEED_LOCK,
&BTRFS_I(inode)->runtime_flags);
}
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3955e47..f29a54e 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3458,7 +3458,7 @@
static void end_extent_buffer_writeback(struct extent_buffer *eb)
{
clear_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&eb->bflags, EXTENT_BUFFER_WRITEBACK);
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5f805bc..5a3b837 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7126,7 +7126,7 @@
* before atomic variable goto zero, we must make sure
* dip->errors is perceived to be set.
*/
- smp_mb__before_atomic_dec();
+ smp_mb__before_atomic();
}
/* if there are more bios still pending for this dio, just exit */
@@ -7306,7 +7306,7 @@
* before atomic variable goto zero, we must
* make sure dip->errors is perceived to be set.
*/
- smp_mb__before_atomic_dec();
+ smp_mb__before_atomic();
if (atomic_dec_and_test(&dip->pending_bios))
bio_io_error(dip->orig_bio);
@@ -7449,7 +7449,7 @@
return 0;
atomic_inc(&inode->i_dio_count);
- smp_mb__after_atomic_inc();
+ smp_mb__after_atomic();
/*
* The generic stuff only does filemap_write_and_wait_range, which
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index e79ff6b..f45040a 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -642,7 +642,7 @@
return -EINVAL;
atomic_inc(&root->will_be_snapshoted);
- smp_mb__after_atomic_inc();
+ smp_mb__after_atomic();
btrfs_wait_nocow_write(root);
ret = btrfs_start_delalloc_inodes(root, 0);
diff --git a/fs/buffer.c b/fs/buffer.c
index 9ddb9fc..6a8110c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -77,7 +77,7 @@
void unlock_buffer(struct buffer_head *bh)
{
clear_bit_unlock(BH_Lock, &bh->b_state);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&bh->b_state, BH_Lock);
}
EXPORT_SYMBOL(unlock_buffer);
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index f3b84cd..08b3c11 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -42,7 +42,7 @@
void ext4_resize_end(struct super_block *sb)
{
clear_bit_unlock(EXT4_RESIZING, &EXT4_SB(sb)->s_resize_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
}
static ext4_group_t ext4_meta_bg_first_group(struct super_block *sb,
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index aec7f73..c355f73 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -277,7 +277,7 @@
static void gfs2_holder_wake(struct gfs2_holder *gh)
{
clear_bit(HIF_WAIT, &gh->gh_iflags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&gh->gh_iflags, HIF_WAIT);
}
@@ -411,7 +411,7 @@
{
gl->gl_demote_state = LM_ST_EXCLUSIVE;
clear_bit(GLF_DEMOTE, &gl->gl_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&gl->gl_flags, GLF_DEMOTE);
}
@@ -620,7 +620,7 @@
out_sched:
clear_bit(GLF_LOCK, &gl->gl_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
gl->gl_lockref.count++;
if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
gl->gl_lockref.count--;
@@ -628,7 +628,7 @@
out_unlock:
clear_bit(GLF_LOCK, &gl->gl_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
return;
}
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 54b66809..74d9a3d 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -221,7 +221,7 @@
* Writeback of the data mapping may cause the dirty flag to be set
* so we have to clear it again here.
*/
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(GLF_DIRTY, &gl->gl_flags);
}
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index c1eb555..91f274d 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -1134,7 +1134,7 @@
queue_delayed_work(gfs2_control_wq, &sdp->sd_control_work, 0);
clear_bit(DFL_DLM_RECOVERY, &ls->ls_recover_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&ls->ls_recover_flags, DFL_DLM_RECOVERY);
spin_unlock(&ls->ls_recover_spin);
}
@@ -1271,7 +1271,7 @@
ls->ls_first = !!test_bit(DFL_FIRST_MOUNT, &ls->ls_recover_flags);
clear_bit(SDF_NOJOURNALID, &sdp->sd_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&sdp->sd_flags, SDF_NOJOURNALID);
return 0;
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 7ad4094..fe7a56f 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -587,7 +587,7 @@
gfs2_recovery_done(sdp, jd->jd_jid, LM_RD_GAVEUP);
done:
clear_bit(JDF_RECOVERY, &jd->jd_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&jd->jd_flags, JDF_RECOVERY);
}
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index de25d55..529d9a9 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -333,7 +333,7 @@
set_bit(DFL_BLOCK_LOCKS, &ls->ls_recover_flags);
else if (val == 0) {
clear_bit(DFL_BLOCK_LOCKS, &ls->ls_recover_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
gfs2_glock_thaw(sdp);
} else {
ret = -EINVAL;
@@ -482,7 +482,7 @@
rv = jid = -EINVAL;
sdp->sd_lockstruct.ls_jid = jid;
clear_bit(SDF_NOJOURNALID, &sdp->sd_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&sdp->sd_flags, SDF_NOJOURNALID);
out:
spin_unlock(&sdp->sd_jindex_spin);
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 5f26139..6fac743 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -43,7 +43,7 @@
clear_buffer_uptodate(bh);
if (orig_bh) {
clear_bit_unlock(BH_Shadow, &orig_bh->b_state);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&orig_bh->b_state, BH_Shadow);
}
unlock_buffer(bh);
@@ -239,7 +239,7 @@
spin_lock(&journal->j_list_lock);
J_ASSERT(jinode->i_transaction == commit_transaction);
clear_bit(__JI_COMMIT_RUNNING, &jinode->i_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&jinode->i_flags, __JI_COMMIT_RUNNING);
}
spin_unlock(&journal->j_list_lock);
@@ -277,7 +277,7 @@
}
spin_lock(&journal->j_list_lock);
clear_bit(__JI_COMMIT_RUNNING, &jinode->i_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&jinode->i_flags, __JI_COMMIT_RUNNING);
}
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index d9f3d06..4a3d4ef 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2032,9 +2032,9 @@
{
put_rpccred(entry->cred);
kfree(entry);
- smp_mb__before_atomic_dec();
+ smp_mb__before_atomic();
atomic_long_dec(&nfs_access_nr_entries);
- smp_mb__after_atomic_dec();
+ smp_mb__after_atomic();
}
static void nfs_access_free_list(struct list_head *head)
@@ -2082,9 +2082,9 @@
else {
remove_lru_entry:
list_del_init(&nfsi->access_cache_inode_lru);
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(NFS_INO_ACL_LRU_SET, &nfsi->flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
}
spin_unlock(&inode->i_lock);
}
@@ -2232,9 +2232,9 @@
nfs_access_add_rbtree(inode, cache);
/* Update accounting */
- smp_mb__before_atomic_inc();
+ smp_mb__before_atomic();
atomic_long_inc(&nfs_access_nr_entries);
- smp_mb__after_atomic_inc();
+ smp_mb__after_atomic();
/* Add inode to global LRU list */
if (!test_bit(NFS_INO_ACL_LRU_SET, &NFS_I(inode)->flags)) {
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 0c43897..e6f7398 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1085,7 +1085,7 @@
trace_nfs_invalidate_mapping_exit(inode, ret);
clear_bit_unlock(NFS_INO_INVALIDATING, bitlock);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(bitlock, NFS_INO_INVALIDATING);
out:
return ret;
diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
index efac602..b9c61ef 100644
--- a/fs/nfs/nfs4filelayoutdev.c
+++ b/fs/nfs/nfs4filelayoutdev.c
@@ -789,9 +789,9 @@
static void nfs4_clear_ds_conn_bit(struct nfs4_pnfs_ds *ds)
{
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(NFS4DS_CONNECTING, &ds->ds_state);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&ds->ds_state, NFS4DS_CONNECTING);
}
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2349518..c0583b9 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1140,9 +1140,9 @@
static void nfs4_clear_state_manager_bit(struct nfs_client *clp)
{
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&clp->cl_state, NFS4CLNT_MANAGER_RUNNING);
rpc_wake_up(&clp->cl_rpcwaitq);
}
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 2ffebf2..03ed984 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -95,7 +95,7 @@
{
if (atomic_dec_and_test(&c->io_count)) {
clear_bit(NFS_IO_INPROGRESS, &c->flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&c->flags, NFS_IO_INPROGRESS);
}
}
@@ -193,9 +193,9 @@
printk(KERN_ERR "NFS: Invalid unlock attempted\n");
BUG();
}
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(PG_BUSY, &req->wb_flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&req->wb_flags, PG_BUSY);
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index cb53d45..fd9536e 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1810,7 +1810,7 @@
unsigned long *bitlock = &NFS_I(inode)->flags;
clear_bit_unlock(NFS_INO_LAYOUTCOMMITTING, bitlock);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(bitlock, NFS_INO_LAYOUTCOMMITTING);
}
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 0237939..c3058a0 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -275,7 +275,7 @@
{
if (lseg) {
atomic_inc(&lseg->pls_refcount);
- smp_mb__after_atomic_inc();
+ smp_mb__after_atomic();
}
return lseg;
}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 9a3b6a4..ffb9459 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -405,7 +405,7 @@
nfs_pageio_complete(&pgio);
clear_bit_unlock(NFS_INO_FLUSHING, bitlock);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(bitlock, NFS_INO_FLUSHING);
if (err < 0)
@@ -1458,7 +1458,7 @@
static void nfs_commit_clear_lock(struct nfs_inode *nfsi)
{
clear_bit(NFS_INO_COMMIT, &nfsi->flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
wake_up_bit(&nfsi->flags, NFS_INO_COMMIT);
}
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 4b826ab..45d4e96 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -460,9 +460,9 @@
* important.
*/
clear_bit(DIRTY_CNODE, &cnode->flags);
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(COW_CNODE, &cnode->flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
offs += len;
dbg_chk_lpt_sz(c, 1, len);
cnode = cnode->cnext;
diff --git a/fs/ubifs/tnc_commit.c b/fs/ubifs/tnc_commit.c
index 52a6559..3600994 100644
--- a/fs/ubifs/tnc_commit.c
+++ b/fs/ubifs/tnc_commit.c
@@ -895,9 +895,9 @@
* the reason for the second barrier.
*/
clear_bit(DIRTY_ZNODE, &znode->flags);
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
clear_bit(COW_ZNODE, &znode->flags);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
/*
* We have marked the znode as clean but have not updated the
