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btrfs: remove pointless readahead callback wrapper

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There's no point in having a static readahead callback in inode.c that
does nothing besides calling extent_readahead() from extent_io.c.
So just remove the callback at inode.c and rename extent_readahead()
to btrfs_readahead().

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2024-03-18 11:52:00 +00:00 committed by David Sterba
parent 2066bbfccf
commit 7938d38b94
3 changed files with 2 additions and 7 deletions
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2
fs/btrfs/extent_io.c
View File

@ -2267,7 +2267,7 @@ int extent_writepages(struct address_space *mapping,
return ret;
}
void extent_readahead(struct readahead_control *rac)
void btrfs_readahead(struct readahead_control *rac)
{
struct btrfs_bio_ctrl bio_ctrl = { .opf = REQ_OP_READ | REQ_RAHEAD };
struct page *pagepool[16];

2
fs/btrfs/extent_io.h
View File

@ -241,7 +241,7 @@ int extent_writepages(struct address_space *mapping,
struct writeback_control *wbc);
int btree_write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc);
void extent_readahead(struct readahead_control *rac);
void btrfs_readahead(struct readahead_control *rac);
int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);
int set_folio_extent_mapped(struct folio *folio);

5
fs/btrfs/inode.c
View File

@ -7929,11 +7929,6 @@ static int btrfs_writepages(struct address_space *mapping,
return extent_writepages(mapping, wbc);
}
static void btrfs_readahead(struct readahead_control *rac)
{
extent_readahead(rac);
}
/*
* For release_folio() and invalidate_folio() we have a race window where
* folio_end_writeback() is called but the subpage spinlock is not yet released.