Merge branch 'master' into next

Conflicts:
	fs/namei.c

Manually merged per:

diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
  		nd->flags |= LOOKUP_CONTINUE;
  		err = exec_permission_lite(inode);
  		if (err == -EAGAIN)
- 			err = vfs_permission(nd, MAY_EXEC);
+ 			err = inode_permission(nd->path.dentry->d_inode,
+ 					       MAY_EXEC);
 +		if (!err)
 +			err = ima_path_check(&nd->path, MAY_EXEC);
   		if (err)
  			break;

@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
  		flag &= ~O_TRUNC;
  	}

- 	error = vfs_permission(nd, acc_mode);
+ 	error = inode_permission(inode, acc_mode);
  	if (error)
  		return error;
 +
- 	error = ima_path_check(&nd->path,
++	error = ima_path_check(path,
 +			       acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
 +	if (error)
 +		return error;
  	/*
  	 * An append-only file must be opened in append mode for writing.
  	 */

Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 10 insertions, 9 deletions

diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index f2a9cf498ecd..734abca25e35 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -59,7 +59,8 @@ static int finish_range(handle_t *handle, struct inode *inode,
         /*
          * Make sure the credit we accumalated is not really high
          */
-        if (needed && handle->h_buffer_credits >= EXT4_RESERVE_TRANS_BLOCKS) {
+        if (needed && ext4_handle_has_enough_credits(handle,
+                                                EXT4_RESERVE_TRANS_BLOCKS)) {
                 retval = ext4_journal_restart(handle, needed);
                 if (retval)
                         goto err_out;
@@ -229,7 +230,7 @@ static int extend_credit_for_blkdel(handle_t *handle, struct inode *inode)
 {
         int retval = 0, needed;
 
-        if (handle->h_buffer_credits > EXT4_RESERVE_TRANS_BLOCKS)
+        if (ext4_handle_has_enough_credits(handle, EXT4_RESERVE_TRANS_BLOCKS+1))
                 return 0;
         /*
          * We are freeing a blocks. During this we touch
@@ -458,13 +459,13 @@ int ext4_ext_migrate(struct inode *inode)
         struct list_blocks_struct lb;
         unsigned long max_entries;
 
-        if (!test_opt(inode->i_sb, EXTENTS))
-                /*
-                 * if mounted with noextents we don't allow the migrate
-                 */
-                return -EINVAL;
-
-        if ((EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+        /*
+         * If the filesystem does not support extents, or the inode
+         * already is extent-based, error out.
+         */
+        if (!EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
+                                       EXT4_FEATURE_INCOMPAT_EXTENTS) ||
+            (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
                 return -EINVAL;
 
         if (S_ISLNK(inode->i_mode) && inode->i_blocks == 0)