9 files changed, 25 insertions, 27 deletions

diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 8a2a29d35a6f..feaf498feaa6 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -454,7 +454,7 @@ release_and_out:
         return error;
 }
 
-struct xattr_handler ext4_xattr_acl_access_handler = {
+const struct xattr_handler ext4_xattr_acl_access_handler = {
         .prefix = POSIX_ACL_XATTR_ACCESS,
         .flags  = ACL_TYPE_ACCESS,
         .list   = ext4_xattr_list_acl_access,
@@ -462,7 +462,7 @@ struct xattr_handler ext4_xattr_acl_access_handler = {
         .set    = ext4_xattr_set_acl,
 };
 
-struct xattr_handler ext4_xattr_acl_default_handler = {
+const struct xattr_handler ext4_xattr_acl_default_handler = {
         .prefix = POSIX_ACL_XATTR_DEFAULT,
         .flags  = ACL_TYPE_DEFAULT,
         .list   = ext4_xattr_list_acl_default,
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index e187f87acec0..b6a74f991bf4 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -127,9 +127,11 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
                 if (ext4_should_writeback_data(inode) &&
                     (journal->j_fs_dev != journal->j_dev) &&
                     (journal->j_flags & JBD2_BARRIER))
-                        blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
+                        blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL,
+                                        NULL, BLKDEV_IFL_WAIT);
                 ret = jbd2_log_wait_commit(journal, commit_tid);
         } else if (journal->j_flags & JBD2_BARRIER)
-                blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
+                blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL,
+                        BLKDEV_IFL_WAIT);
         return ret;
 }
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 7f6b5826d5a6..25c4b3173fd9 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -972,16 +972,12 @@ got:
                 atomic_dec(&sbi->s_flex_groups[flex_group].free_inodes);
         }
 
-        inode->i_uid = current_fsuid();
-        if (test_opt(sb, GRPID))
+        if (test_opt(sb, GRPID)) {
+                inode->i_mode = mode;
+                inode->i_uid = current_fsuid();
                 inode->i_gid = dir->i_gid;
-        else if (dir->i_mode & S_ISGID) {
-                inode->i_gid = dir->i_gid;
-                if (S_ISDIR(mode))
-                        mode |= S_ISGID;
         } else
-                inode->i_gid = current_fsgid();
-        inode->i_mode = mode;
+                inode_init_owner(inode, dir, mode);
 
         inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb);
         /* This is the optimal IO size (for stat), not the fs block size */
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 502b07dc70d0..19df61c321fd 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5444,7 +5444,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
         if (error)
                 return error;
 
-        if (ia_valid & ATTR_SIZE)
+        if (is_quota_modification(inode, attr))
                 dquot_initialize(inode);
         if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
                 (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 47431bc662ab..04338009793a 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -97,7 +97,7 @@ static int ext4_xattr_list(struct dentry *dentry, char *buffer,
 
 static struct mb_cache *ext4_xattr_cache;
 
-static struct xattr_handler *ext4_xattr_handler_map[] = {
+static const struct xattr_handler *ext4_xattr_handler_map[] = {
         [EXT4_XATTR_INDEX_USER]              = &ext4_xattr_user_handler,
 #ifdef CONFIG_EXT4_FS_POSIX_ACL
         [EXT4_XATTR_INDEX_POSIX_ACL_ACCESS]  = &ext4_xattr_acl_access_handler,
@@ -109,7 +109,7 @@ static struct xattr_handler *ext4_xattr_handler_map[] = {
 #endif
 };
 
-struct xattr_handler *ext4_xattr_handlers[] = {
+const struct xattr_handler *ext4_xattr_handlers[] = {
         &ext4_xattr_user_handler,
         &ext4_xattr_trusted_handler,
 #ifdef CONFIG_EXT4_FS_POSIX_ACL
@@ -122,10 +122,10 @@ struct xattr_handler *ext4_xattr_handlers[] = {
         NULL
 };
 
-static inline struct xattr_handler *
+static inline const struct xattr_handler *
 ext4_xattr_handler(int name_index)
 {
-        struct xattr_handler *handler = NULL;
+        const struct xattr_handler *handler = NULL;
 
         if (name_index > 0 && name_index < ARRAY_SIZE(ext4_xattr_handler_map))
                 handler = ext4_xattr_handler_map[name_index];
@@ -331,7 +331,7 @@ ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry,
         size_t rest = buffer_size;
 
         for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {
-                struct xattr_handler *handler =
+                const struct xattr_handler *handler =
                         ext4_xattr_handler(entry->e_name_index);
 
                 if (handler) {
diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 8ede88b18c29..518e96e43905 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -65,11 +65,11 @@ struct ext4_xattr_entry {
 
 # ifdef CONFIG_EXT4_FS_XATTR
 
-extern struct xattr_handler ext4_xattr_user_handler;
-extern struct xattr_handler ext4_xattr_trusted_handler;
-extern struct xattr_handler ext4_xattr_acl_access_handler;
-extern struct xattr_handler ext4_xattr_acl_default_handler;
-extern struct xattr_handler ext4_xattr_security_handler;
+extern const struct xattr_handler ext4_xattr_user_handler;
+extern const struct xattr_handler ext4_xattr_trusted_handler;
+extern const struct xattr_handler ext4_xattr_acl_access_handler;
+extern const struct xattr_handler ext4_xattr_acl_default_handler;
+extern const struct xattr_handler ext4_xattr_security_handler;
 
 extern ssize_t ext4_listxattr(struct dentry *, char *, size_t);
 
@@ -86,7 +86,7 @@ extern int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
 extern int init_ext4_xattr(void);
 extern void exit_ext4_xattr(void);
 
-extern struct xattr_handler *ext4_xattr_handlers[];
+extern const struct xattr_handler *ext4_xattr_handlers[];
 
 # else  /* CONFIG_EXT4_FS_XATTR */
 
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 8b145e98df07..9b21268e121c 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -69,7 +69,7 @@ ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir)
         return err;
 }
 
-struct xattr_handler ext4_xattr_security_handler = {
+const struct xattr_handler ext4_xattr_security_handler = {
         .prefix = XATTR_SECURITY_PREFIX,
         .list   = ext4_xattr_security_list,
         .get    = ext4_xattr_security_get,
diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c
index 15b50edc6587..37e6ebca2cc3 100644
--- a/fs/ext4/xattr_trusted.c
+++ b/fs/ext4/xattr_trusted.c
@@ -51,7 +51,7 @@ ext4_xattr_trusted_set(struct dentry *dentry, const char *name,
                               name, value, size, flags);
 }
 
-struct xattr_handler ext4_xattr_trusted_handler = {
+const struct xattr_handler ext4_xattr_trusted_handler = {
         .prefix = XATTR_TRUSTED_PREFIX,
         .list   = ext4_xattr_trusted_list,
         .get    = ext4_xattr_trusted_get,
diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c
index c4ce05746ce1..98c375352d0e 100644
--- a/fs/ext4/xattr_user.c
+++ b/fs/ext4/xattr_user.c
@@ -54,7 +54,7 @@ ext4_xattr_user_set(struct dentry *dentry, const char *name,
                               name, value, size, flags);
 }
 
-struct xattr_handler ext4_xattr_user_handler = {
+const struct xattr_handler ext4_xattr_user_handler = {
         .prefix = XATTR_USER_PREFIX,
         .list   = ext4_xattr_user_list,
         .get    = ext4_xattr_user_get,