Merge branch 'samsung/dt' into next/dt

* samsung/dt: (3 commit)
  Merge branch 'depends/rmk/for-linus' into samsung/dt
  Merge branch 'depends/rmk/restart' into next/cleanup
  Merge branch 'next/cleanup' into samsung/dt

Conflicts:
	arch/arm/mach-tegra/board-dt.c
	arch/arm/mach-tegra/include/mach/entry-macro.S

The latest version of the samsung/dt branch resolves
all sorts of conflicts with the latest upstream, no functional
changes that are not already there.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

13 files changed, 112 insertions, 98 deletions

diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index cb97174e2366..0b394580d860 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -563,8 +563,8 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
         struct list_head *fallback;
         int ret;
 
-again:
         spin_lock_irqsave(&workers->lock, flags);
+again:
         worker = next_worker(workers);
 
         if (!worker) {
@@ -579,6 +579,7 @@ again:
                         spin_unlock_irqrestore(&workers->lock, flags);
                         /* we're below the limit, start another worker */
                         ret = __btrfs_start_workers(workers);
+                        spin_lock_irqsave(&workers->lock, flags);
                         if (ret)
                                 goto fallback;
                         goto again;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0a6b928813a4..fd1a06df5bc6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4590,10 +4590,6 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
         int err = btrfs_add_link(trans, dir, inode,
                                  dentry->d_name.name, dentry->d_name.len,
                                  backref, index);
-        if (!err) {
-                d_instantiate(dentry, inode);
-                return 0;
-        }
         if (err > 0)
                 err = -EEXIST;
         return err;
@@ -4655,6 +4651,7 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
         else {
                 init_special_inode(inode, inode->i_mode, rdev);
                 btrfs_update_inode(trans, root, inode);
+                d_instantiate(dentry, inode);
         }
 out_unlock:
         nr = trans->blocks_used;
@@ -4722,6 +4719,7 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
                 inode->i_mapping->a_ops = &btrfs_aops;
                 inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
                 BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
+                d_instantiate(dentry, inode);
         }
 out_unlock:
         nr = trans->blocks_used;
@@ -4779,6 +4777,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
                 struct dentry *parent = dentry->d_parent;
                 err = btrfs_update_inode(trans, root, inode);
                 BUG_ON(err);
+                d_instantiate(dentry, inode);
                 btrfs_log_new_name(trans, inode, NULL, parent);
         }
 
@@ -7245,6 +7244,8 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
                 drop_inode = 1;
 
 out_unlock:
+        if (!err)
+                d_instantiate(dentry, inode);
         nr = trans->blocks_used;
         btrfs_end_transaction_throttle(trans, root);
         if (drop_inode) {
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 3eeb97661262..98954003a8d3 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1094,42 +1094,19 @@ static int ceph_snapdir_d_revalidate(struct dentry *dentry,
 /*
  * Set/clear/test dir complete flag on the dir's dentry.
  */
-static struct dentry * __d_find_any_alias(struct inode *inode)
-{
-        struct dentry *alias;
-
-        if (list_empty(&inode->i_dentry))
-                return NULL;
-        alias = list_first_entry(&inode->i_dentry, struct dentry, d_alias);
-        return alias;
-}
-
 void ceph_dir_set_complete(struct inode *inode)
 {
-        struct dentry *dentry = __d_find_any_alias(inode);
-        
-        if (dentry && ceph_dentry(dentry)) {
-                dout(" marking %p (%p) complete\n", inode, dentry);
-                set_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
-        }
+        /* not yet implemented */
 }
 
 void ceph_dir_clear_complete(struct inode *inode)
 {
-        struct dentry *dentry = __d_find_any_alias(inode);
-
-        if (dentry && ceph_dentry(dentry)) {
-                dout(" marking %p (%p) NOT complete\n", inode, dentry);
-                clear_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
-        }
+        /* not yet implemented */
 }
 
 bool ceph_dir_test_complete(struct inode *inode)
 {
-        struct dentry *dentry = __d_find_any_alias(inode);
-
-        if (dentry && ceph_dentry(dentry))
-                return test_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
+        /* not yet implemented */
         return false;
 }
 
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index ac86f8b3e3cb..517f211a3bd4 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -47,17 +47,6 @@ struct wb_writeback_work {
         struct completion *done;        /* set if the caller waits */
 };
 
-const char *wb_reason_name[] = {
-        [WB_REASON_BACKGROUND]          = "background",
-        [WB_REASON_TRY_TO_FREE_PAGES]   = "try_to_free_pages",
-        [WB_REASON_SYNC]                = "sync",
-        [WB_REASON_PERIODIC]            = "periodic",
-        [WB_REASON_LAPTOP_TIMER]        = "laptop_timer",
-        [WB_REASON_FREE_MORE_MEM]       = "free_more_memory",
-        [WB_REASON_FS_FREE_SPACE]       = "fs_free_space",
-        [WB_REASON_FORKER_THREAD]       = "forker_thread"
-};
-
 /*
  * Include the creation of the trace points after defining the
  * wb_writeback_work structure so that the definition remains local to this
diff --git a/fs/locks.c b/fs/locks.c
index 3b0d05dcd7c1..637694bf3a03 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1205,6 +1205,8 @@ int __break_lease(struct inode *inode, unsigned int mode)
         int want_write = (mode & O_ACCMODE) != O_RDONLY;
 
         new_fl = lease_alloc(NULL, want_write ? F_WRLCK : F_RDLCK);
+        if (IS_ERR(new_fl))
+                return PTR_ERR(new_fl);
 
         lock_flocks();
 
@@ -1221,12 +1223,6 @@ int __break_lease(struct inode *inode, unsigned int mode)
                 if (fl->fl_owner == current->files)
                         i_have_this_lease = 1;
 
-        if (IS_ERR(new_fl) && !i_have_this_lease
-                        && ((mode & O_NONBLOCK) == 0)) {
-                error = PTR_ERR(new_fl);
-                goto out;
-        }
-
         break_time = 0;
         if (lease_break_time > 0) {
                 break_time = jiffies + lease_break_time * HZ;
@@ -1284,8 +1280,7 @@ restart:
 
 out:
         unlock_flocks();
-        if (!IS_ERR(new_fl))
-                locks_free_lock(new_fl);
+        locks_free_lock(new_fl);
         return error;
 }
 
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index eca56d4b39c0..606ef0f20aed 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -147,7 +147,7 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin)
          * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate
          * the cached file length
          */
-        if (origin != SEEK_SET || origin != SEEK_CUR) {
+        if (origin != SEEK_SET && origin != SEEK_CUR) {
                 struct inode *inode = filp->f_mapping->host;
 
                 int retval = nfs_revalidate_file_size(inode, filp);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index be2bbac13817..d9f4d78c3413 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -39,6 +39,8 @@
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/string.h>
+#include <linux/ratelimit.h>
+#include <linux/printk.h>
 #include <linux/slab.h>
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/gss_api.h>
@@ -894,6 +896,8 @@ out:
 
 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
 {
+        if (delegation == NULL)
+                return 0;
         if ((delegation->type & fmode) != fmode)
                 return 0;
         if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
@@ -1036,8 +1040,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
                 }
                 rcu_read_lock();
                 delegation = rcu_dereference(nfsi->delegation);
-                if (delegation == NULL ||
-                    !can_open_delegated(delegation, fmode)) {
+                if (!can_open_delegated(delegation, fmode)) {
                         rcu_read_unlock();
                         break;
                 }
@@ -1091,7 +1094,12 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data
                 if (delegation)
                         delegation_flags = delegation->flags;
                 rcu_read_unlock();
-                if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
+                if (data->o_arg.claim == NFS4_OPEN_CLAIM_DELEGATE_CUR) {
+                        pr_err_ratelimited("NFS: Broken NFSv4 server %s is "
+                                        "returning a delegation for "
+                                        "OPEN(CLAIM_DELEGATE_CUR)\n",
+                                        NFS_CLIENT(inode)->cl_server);
+                } else if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
                         nfs_inode_set_delegation(state->inode,
                                         data->owner->so_cred,
                                         &data->o_res);
@@ -1423,11 +1431,9 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
                         goto out_no_action;
                 rcu_read_lock();
                 delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);
-                if (delegation != NULL &&
-                    test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) == 0) {
-                        rcu_read_unlock();
-                        goto out_no_action;
-                }
+                if (data->o_arg.claim != NFS4_OPEN_CLAIM_DELEGATE_CUR &&
+                    can_open_delegated(delegation, data->o_arg.fmode))
+                        goto unlock_no_action;
                 rcu_read_unlock();
         }
         /* Update sequence id. */
@@ -1444,6 +1450,8 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
                 return;
         rpc_call_start(task);
         return;
+unlock_no_action:
+        rcu_read_unlock();
 out_no_action:
         task->tk_action = NULL;
 
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 39914be40b03..6a7107ae6b72 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1156,11 +1156,13 @@ restart:
                 if (status >= 0) {
                         status = nfs4_reclaim_locks(state, ops);
                         if (status >= 0) {
+                                spin_lock(&state->state_lock);
                                 list_for_each_entry(lock, &state->lock_states, ls_locks) {
                                         if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
                                                 printk("%s: Lock reclaim failed!\n",
                                                         __func__);
                                 }
+                                spin_unlock(&state->state_lock);
                                 nfs4_put_open_state(state);
                                 goto restart;
                         }
@@ -1224,10 +1226,12 @@ static void nfs4_clear_open_state(struct nfs4_state *state)
         clear_bit(NFS_O_RDONLY_STATE, &state->flags);
         clear_bit(NFS_O_WRONLY_STATE, &state->flags);
         clear_bit(NFS_O_RDWR_STATE, &state->flags);
+        spin_lock(&state->state_lock);
         list_for_each_entry(lock, &state->lock_states, ls_locks) {
                 lock->ls_seqid.flags = 0;
                 lock->ls_flags &= ~NFS_LOCK_INITIALIZED;
         }
+        spin_unlock(&state->state_lock);
 }
 
 static void nfs4_reset_seqids(struct nfs_server *server,
@@ -1350,12 +1354,14 @@ static void nfs4_warn_keyexpired(const char *s)
 static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
 {
         switch (error) {
+                case 0:
+                        break;
                 case -NFS4ERR_CB_PATH_DOWN:
                         nfs_handle_cb_pathdown(clp);
-                        return 0;
+                        break;
                 case -NFS4ERR_NO_GRACE:
                         nfs4_state_end_reclaim_reboot(clp);
-                        return 0;
+                        break;
                 case -NFS4ERR_STALE_CLIENTID:
                 case -NFS4ERR_LEASE_MOVED:
                         set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
@@ -1375,13 +1381,15 @@ static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
                 case -NFS4ERR_SEQ_MISORDERED:
                         set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
                         /* Zero session reset errors */
-                        return 0;
+                        break;
                 case -EKEYEXPIRED:
                         /* Nothing we can do */
                         nfs4_warn_keyexpired(clp->cl_hostname);
-                        return 0;
+                        break;
+                default:
+                        return error;
         }
-        return error;
+        return 0;
 }
 
 static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recovery_ops *ops)
@@ -1428,7 +1436,7 @@ static int nfs4_check_lease(struct nfs_client *clp)
         struct rpc_cred *cred;
         const struct nfs4_state_maintenance_ops *ops =
                 clp->cl_mvops->state_renewal_ops;
-        int status = -NFS4ERR_EXPIRED;
+        int status;
 
         /* Is the client already known to have an expired lease? */
         if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
@@ -1438,6 +1446,7 @@ static int nfs4_check_lease(struct nfs_client *clp)
         spin_unlock(&clp->cl_lock);
         if (cred == NULL) {
                 cred = nfs4_get_setclientid_cred(clp);
+                status = -ENOKEY;
                 if (cred == NULL)
                         goto out;
         }
@@ -1525,16 +1534,16 @@ void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
 {
         if (!flags)
                 return;
-        else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
+        if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
                 nfs41_handle_server_reboot(clp);
-        else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
+        if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
                             SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
                             SEQ4_STATUS_ADMIN_STATE_REVOKED |
                             SEQ4_STATUS_LEASE_MOVED))
                 nfs41_handle_state_revoked(clp);
-        else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
+        if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
                 nfs41_handle_recallable_state_revoked(clp);
-        else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
+        if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
                             SEQ4_STATUS_BACKCHANNEL_FAULT |
                             SEQ4_STATUS_CB_PATH_DOWN_SESSION))
                 nfs41_handle_cb_path_down(clp);
@@ -1662,10 +1671,10 @@ static void nfs4_state_manager(struct nfs_client *clp)
 
                 if (test_and_clear_bit(NFS4CLNT_CHECK_LEASE, &clp->cl_state)) {
                         status = nfs4_check_lease(clp);
+                        if (status < 0)
+                                goto out_error;
                         if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
                                 continue;
-                        if (status < 0 && status != -NFS4ERR_CB_PATH_DOWN)
-                                goto out_error;
                 }
 
                 /* Initialize or reset the session */
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 41d6743d303c..ac258beeda3c 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -625,6 +625,9 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
                 if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
                         goto out_free;
 
+                if (argv[n].v_nmembs >= UINT_MAX / argv[n].v_size)
+                        goto out_free;
+
                 len = argv[n].v_size * argv[n].v_nmembs;
                 base = (void __user *)(unsigned long)argv[n].v_base;
                 if (len == 0) {
@@ -842,6 +845,19 @@ long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
         case FS_IOC32_GETVERSION:
                 cmd = FS_IOC_GETVERSION;
                 break;
+        case NILFS_IOCTL_CHANGE_CPMODE:
+        case NILFS_IOCTL_DELETE_CHECKPOINT:
+        case NILFS_IOCTL_GET_CPINFO:
+        case NILFS_IOCTL_GET_CPSTAT:
+        case NILFS_IOCTL_GET_SUINFO:
+        case NILFS_IOCTL_GET_SUSTAT:
+        case NILFS_IOCTL_GET_VINFO:
+        case NILFS_IOCTL_GET_BDESCS:
+        case NILFS_IOCTL_CLEAN_SEGMENTS:
+        case NILFS_IOCTL_SYNC:
+        case NILFS_IOCTL_RESIZE:
+        case NILFS_IOCTL_SET_ALLOC_RANGE:
+                break;
         default:
                 return -ENOIOCTLCMD;
         }
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 2a30d67dd6b8..0855e6f20391 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -32,7 +32,7 @@ static cputime64_t get_idle_time(int cpu)
                 idle = kstat_cpu(cpu).cpustat.idle;
                 idle = cputime64_add(idle, arch_idle_time(cpu));
         } else
-                idle = nsecs_to_jiffies64(1000 * idle_time);
+                idle = usecs_to_cputime64(idle_time);
 
         return idle;
 }
@@ -46,7 +46,7 @@ static cputime64_t get_iowait_time(int cpu)
                 /* !NO_HZ so we can rely on cpustat.iowait */
                 iowait = kstat_cpu(cpu).cpustat.iowait;
         else
-                iowait = nsecs_to_jiffies64(1000 * iowait_time);
+                iowait = usecs_to_cputime64(iowait_time);
 
         return iowait;
 }
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 3eca58f51ae9..8a899496fd5f 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -869,27 +869,6 @@ xfs_fs_dirty_inode(
 }
 
 STATIC int
-xfs_log_inode(
-        struct xfs_inode        *ip)
-{
-        struct xfs_mount        *mp = ip->i_mount;
-        struct xfs_trans        *tp;
-        int                     error;
-
-        tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
-        error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0);
-        if (error) {
-                xfs_trans_cancel(tp, 0);
-                return error;
-        }
-
-        xfs_ilock(ip, XFS_ILOCK_EXCL);
-        xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
-        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-        return xfs_trans_commit(tp, 0);
-}
-
-STATIC int
 xfs_fs_write_inode(
         struct inode            *inode,
         struct writeback_control *wbc)
@@ -902,10 +881,8 @@ xfs_fs_write_inode(
 
         if (XFS_FORCED_SHUTDOWN(mp))
                 return -XFS_ERROR(EIO);
-        if (!ip->i_update_core)
-                return 0;
 
-        if (wbc->sync_mode == WB_SYNC_ALL) {
+        if (wbc->sync_mode == WB_SYNC_ALL || wbc->for_kupdate) {
                 /*
                  * Make sure the inode has made it it into the log.  Instead
                  * of forcing it all the way to stable storage using a
@@ -913,11 +890,14 @@ xfs_fs_write_inode(
                  * ->sync_fs call do that for thus, which reduces the number
                  * of synchronous log forces dramatically.
                  */
-                error = xfs_log_inode(ip);
+                error = xfs_log_dirty_inode(ip, NULL, 0);
                 if (error)
                         goto out;
                 return 0;
         } else {
+                if (!ip->i_update_core)
+                        return 0;
+
                 /*
                  * We make this non-blocking if the inode is contended, return
                  * EAGAIN to indicate to the caller that they did not succeed.
diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c
index be5c51d8f757..f0994aedcd15 100644
--- a/fs/xfs/xfs_sync.c
+++ b/fs/xfs/xfs_sync.c
@@ -336,6 +336,32 @@ xfs_sync_fsdata(
         return error;
 }
 
+int
+xfs_log_dirty_inode(
+        struct xfs_inode        *ip,
+        struct xfs_perag        *pag,
+        int                     flags)
+{
+        struct xfs_mount        *mp = ip->i_mount;
+        struct xfs_trans        *tp;
+        int                     error;
+
+        if (!ip->i_update_core)
+                return 0;
+
+        tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
+        error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0);
+        if (error) {
+                xfs_trans_cancel(tp, 0);
+                return error;
+        }
+
+        xfs_ilock(ip, XFS_ILOCK_EXCL);
+        xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+        return xfs_trans_commit(tp, 0);
+}
+
 /*
  * When remounting a filesystem read-only or freezing the filesystem, we have
  * two phases to execute. This first phase is syncing the data before we
@@ -359,6 +385,16 @@ xfs_quiesce_data(
 {
         int                     error, error2 = 0;
 
+        /*
+         * Log all pending size and timestamp updates.  The vfs writeback
+         * code is supposed to do this, but due to its overagressive
+         * livelock detection it will skip inodes where appending writes
+         * were written out in the first non-blocking sync phase if their
+         * completion took long enough that it happened after taking the
+         * timestamp for the cut-off in the blocking phase.
+         */
+        xfs_inode_ag_iterator(mp, xfs_log_dirty_inode, 0);
+
         xfs_qm_sync(mp, SYNC_TRYLOCK);
         xfs_qm_sync(mp, SYNC_WAIT);
 
diff --git a/fs/xfs/xfs_sync.h b/fs/xfs/xfs_sync.h
index 941202e7ac6e..fa965479d788 100644
--- a/fs/xfs/xfs_sync.h
+++ b/fs/xfs/xfs_sync.h
@@ -34,6 +34,8 @@ void xfs_quiesce_attr(struct xfs_mount *mp);
 
 void xfs_flush_inodes(struct xfs_inode *ip);
 
+int xfs_log_dirty_inode(struct xfs_inode *ip, struct xfs_perag *pag, int flags);
+
 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
 int xfs_reclaim_inodes_count(struct xfs_mount *mp);
 void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);