diff options
Diffstat (limited to 'Documentation/filesystems/porting')
| -rw-r--r-- | Documentation/filesystems/porting | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index e6d4466268dd..cf43bc4dbf31 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -627,3 +627,14 @@ in your dentry operations instead. ->clone_file_range() and ->dedupe_file_range have been replaced with ->remap_file_range(). See Documentation/filesystems/vfs.txt for more information. +-- +[recommended] + ->lookup() instances doing an equivalent of + if (IS_ERR(inode)) + return ERR_CAST(inode); + return d_splice_alias(inode, dentry); + don't need to bother with the check - d_splice_alias() will do the + right thing when given ERR_PTR(...) as inode. Moreover, passing NULL + inode to d_splice_alias() will also do the right thing (equivalent of + d_add(dentry, NULL); return NULL;), so that kind of special cases + also doesn't need a separate treatment. |
