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Kernel/FileSystem: Simplify even more the mount syscall

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As with the previous commit, we put a distinction between filesystems
that require a file description and those which don't, but now in a much
more readable mechanism - all initialization properties as well as the
create static method are grouped to create the FileSystemInitializer
structure. Then when we need to initialize an instance, we iterate over
a table of these structures, checking for matching structure and then
validating the given arguments from userspace against the requirements
to ensure we can create a valid instance of the requested filesystem.
This commit is contained in:
Liav A
2022-05-28 15:42:03 +03:00
committed by Linus Groh
parent 4c588441e3
commit 58acdce41f
Notes: sideshowbarker 2024-07-17 10:35:38 +09:00 
Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/58acdce41f
Pull-request: https://github.com/SerenityOS/serenity/pull/14123
Issue: https://github.com/SerenityOS/serenity/issues/11283
Reviewed-by: https://github.com/linusg
17 changed files with 72 additions and 88 deletions
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4
Kernel/FileSystem/Ext2FileSystem.cpp
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@@ -49,9 +49,9 @@ static u8 to_ext2_file_type(mode_t mode)
return EXT2_FT_UNKNOWN;
}
ErrorOr<NonnullRefPtr<Ext2FS>> Ext2FS::try_create(OpenFileDescription& file_description)
ErrorOr<NonnullRefPtr<FileSystem>> Ext2FS::try_create(OpenFileDescription& file_description)
{
return adopt_nonnull_ref_or_enomem(new (nothrow) Ext2FS(file_description));
return TRY(adopt_nonnull_ref_or_enomem(new (nothrow) Ext2FS(file_description)));
}
Ext2FS::Ext2FS(OpenFileDescription& file_description)