Re: [f2fs-dev] [PATCH v4 0/7] f2fs: new mount API conversion

[Jaegeuk Kim via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>]

Thanks you, Hongbo.

I just applied this series to the dev-test branch as below, and will
keep testing with incoming patches together. Let's see. :)

https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/log/?h=dev-test

On 06/02, Hongbo Li wrote:
> In this version, we have finished the issues pointed in v3.
> First, I'd like to express my sincere thanks to Jaegeuk and Chao
> for reviewing this patch series and providing corrections. I also
> appreciate Eric for rebasing the patches onto the latest branch to
> ensure forward compatibility.
> 
> The latest patch series has addressed all the issues mentioned in
> the previous set. For modified patches, I've re-added Signed-off-by
> tags (SOB) and uniformly removed all Reviewed-by tags.
> 
> v4:
>   - Change is_remount as bool type in patch 2.
>   - Remove the warning reported by Dan for patch 5.
>   - Enhance sanity check and fix some coding style suggested by
>     Jaegeuk in patch 5.
>   - Change the log info when compression option conflicts in patch 5.
>   - Fix the issues reported by code-reviewing in patch 5.
>   - Context modified in patch 7.
> 
> V3: https://lore.kernel.org/all/20250423170926.76007-1-sandeen@redhat.com/
> - Rebase onto git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git
>   dev branch
> - Fix up some 0day robot warnings
> 
> (Here is the origianl cover letter:)
> 
> Since many filesystems have done the new mount API conversion,
> we introduce the new mount API conversion in f2fs.
> 
> The series can be applied on top of the current mainline tree
> and the work is based on the patches from Lukas Czerner (has
> done this in ext4[1]). His patch give me a lot of ideas.
> 
> Here is a high level description of the patchset:
> 
> 1. Prepare the f2fs mount parameters required by the new mount
> API and use it for parsing, while still using the old API to
> get mount options string. Split the parameter parsing and
> validation of the parse_options helper into two separate
> helpers.
> 
>   f2fs: Add fs parameter specifications for mount options
>   f2fs: move the option parser into handle_mount_opt
> 
> 2. Remove the use of sb/sbi structure of f2fs from all the
> parsing code, because with the new mount API the parsing is
> going to be done before we even get the super block. In this
> part, we introduce f2fs_fs_context to hold the temporary
> options when parsing. For the simple options check, it has
> to be done during parsing by using f2fs_fs_context structure.
> For the check which needs sb/sbi, we do this during super
> block filling.
> 
>   f2fs: Allow sbi to be NULL in f2fs_printk
>   f2fs: Add f2fs_fs_context to record the mount options
>   f2fs: separate the options parsing and options checking
> 
> 3. Switch the f2fs to use the new mount API for mount and
> remount.
> 
>   f2fs: introduce fs_context_operation structure
>   f2fs: switch to the new mount api
> 
> [1] https://lore.kernel.org/all/20211021114508.21407-1-lczerner@redhat.com/
> 
> Hongbo Li (7):
>   f2fs: Add fs parameter specifications for mount options
>   f2fs: move the option parser into handle_mount_opt
>   f2fs: Allow sbi to be NULL in f2fs_printk
>   f2fs: Add f2fs_fs_context to record the mount options
>   f2fs: separate the options parsing and options checking
>   f2fs: introduce fs_context_operation structure
>   f2fs: switch to the new mount api
> 
>  fs/f2fs/super.c | 2108 +++++++++++++++++++++++++++--------------------
>  1 file changed, 1197 insertions(+), 911 deletions(-)
> 
> -- 
> 2.33.0


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