linux-kernel - Re: [PATCH v2 01/12] md/raid5: Factor out ahead_of

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Date:   Thu, 28 Apr 2022 09:49:56 +0800
From:   Guoqing Jiang <guoqing.jiang@...ux.dev>
To:     Logan Gunthorpe <logang@...tatee.com>,
        linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
        Song Liu <song@...nel.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Stephen Bates <sbates@...thlin.com>,
        Martin Oliveira <Martin.Oliveira@...eticom.com>,
        David Sloan <David.Sloan@...eticom.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v2 01/12] md/raid5: Factor out ahead_of_reshape() function



On 4/28/22 12:07 AM, Logan Gunthorpe wrote:
>
> On 2022-04-26 19:28, Guoqing Jiang wrote:
>>>    +static bool ahead_of_reshape(struct mddev *mddev, sector_t sector,
>>> +                 sector_t reshape_sector)
>>> +{
>>> +    if (mddev->reshape_backwards)
>>> +        return sector < reshape_sector;
>>> +    else
>>> +        return sector >= reshape_sector;
>>> +}
>> I think it can be an inline function.
> Marking static functions in C files as inline is not recommended. GCC
> will inline it, if it is appropriate.
>
> https://yarchive.net/comp/linux/inline.html
> https://www.kernel.org/doc/local/inline.html

Thanks for the link, then I suppose those can be deleted

linux> grep "static inline" drivers/md/md.h -r
static inline int is_badblock(struct md_rdev *rdev, sector_t s, int sectors,
static inline int __must_check mddev_lock(struct mddev *mddev)
static inline void mddev_lock_nointr(struct mddev *mddev)
static inline int mddev_trylock(struct mddev *mddev)
static inline int mddev_is_locked(struct mddev *mddev)
static inline void md_sync_acct(struct block_device *bdev, unsigned long 
nr_sectors)
static inline void md_sync_acct_bio(struct bio *bio, unsigned long 
nr_sectors)
static inline struct kernfs_node *sysfs_get_dirent_safe(struct 
kernfs_node *sd, char *name)
static inline void sysfs_notify_dirent_safe(struct kernfs_node *sd)
static inline char * mdname (struct mddev * mddev)
static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev 
*rdev)
static inline void safe_put_page(struct page *p)
static inline bool is_mddev_broken(struct md_rdev *rdev, const char 
*md_type)
static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev 
*mddev)
static inline int mddev_is_clustered(struct mddev *mddev)
static inline void mddev_clear_unsupported_flags(struct mddev *mddev,
static inline void mddev_check_write_zeroes(struct mddev *mddev, struct 
bio *bio)

Thanks,
Guoqing