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btrfs: rename __extent_writepage() and drop double underscores

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The function does not follow the pattern where the underscores would be
justified, so rename it.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2024-08-27 03:30:16 +02:00
parent 22b4ef50dc
commit 06de42c5a9
4 changed files with 18 additions and 18 deletions
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16
fs/btrfs/extent_io.c
View File

@ -1177,7 +1177,7 @@ int btrfs_read_folio(struct file *file, struct folio *folio)
}
/*
* helper for __extent_writepage, doing all of the delayed allocation setup.
* helper for extent_writepage(), doing all of the delayed allocation setup.
*
* This returns 1 if btrfs_run_delalloc_range function did all the work required
* to write the page (copy into inline extent). In this case the IO has
@ -1398,14 +1398,14 @@ static int submit_one_sector(struct btrfs_inode *inode,
}
/*
* helper for __extent_writepage. This calls the writepage start hooks,
* Helper for extent_writepage(). This calls the writepage start hooks,
* and does the loop to map the page into extents and bios.
*
* We return 1 if the IO is started and the page is unlocked,
* 0 if all went well (page still locked)
* < 0 if there were errors (page still locked)
*/
static noinline_for_stack int __extent_writepage_io(struct btrfs_inode *inode,
static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode,
struct folio *folio,
u64 start, u32 len,
struct btrfs_bio_ctrl *bio_ctrl,
@ -1500,7 +1500,7 @@ out:
* Return 0 if everything goes well.
* Return <0 for error.
*/
static int __extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ctrl)
static int extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ctrl)
{
struct inode *inode = folio->mapping->host;
const u64 page_start = folio_pos(folio);
@ -1509,7 +1509,7 @@ static int __extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ct
loff_t i_size = i_size_read(inode);
unsigned long end_index = i_size >> PAGE_SHIFT;
trace___extent_writepage(folio, inode, bio_ctrl->wbc);
trace_extent_writepage(folio, inode, bio_ctrl->wbc);
WARN_ON(!folio_test_locked(folio));
@ -1534,7 +1534,7 @@ static int __extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ct
if (ret)
goto done;
ret = __extent_writepage_io(BTRFS_I(inode), folio, folio_pos(folio),
ret = extent_writepage_io(BTRFS_I(inode), folio, folio_pos(folio),
PAGE_SIZE, bio_ctrl, i_size);
if (ret == 1)
return 0;
@ -2202,7 +2202,7 @@ retry:
continue;
}
ret = __extent_writepage(folio, bio_ctrl);
ret = extent_writepage(folio, bio_ctrl);
if (ret < 0) {
done = 1;
break;
@ -2293,7 +2293,7 @@ void extent_write_locked_range(struct inode *inode, const struct folio *locked_f
if (pages_dirty && folio != locked_folio)
ASSERT(folio_test_dirty(folio));
ret = __extent_writepage_io(BTRFS_I(inode), folio, cur, cur_len,
ret = extent_writepage_io(BTRFS_I(inode), folio, cur, cur_len,
&bio_ctrl, i_size);
if (ret == 1)
goto next_page;

2
fs/btrfs/inode.c
View File

@ -747,7 +747,7 @@ static noinline int cow_file_range_inline(struct btrfs_inode *inode,
/*
* In the successful case (ret == 0 here), cow_file_range will return 1.
*
* Quite a bit further up the callstack in __extent_writepage, ret == 1
* Quite a bit further up the callstack in extent_writepage(), ret == 1
* is treated as a short circuited success and does not unlock the folio,
* so we must do it here.
*

4
fs/btrfs/subpage.c
View File

@ -705,7 +705,7 @@ void btrfs_folio_assert_not_dirty(const struct btrfs_fs_info *fs_info,
* - Page locked by plain lock_page()
* It should not have any subpage::writers count.
* Can be unlocked by unlock_page().
* This is the most common locked page for __extent_writepage() called
* This is the most common locked page for extent_writepage() called
* inside extent_write_cache_pages().
* Rarer cases include the @locked_page from extent_write_locked_range().
*
@ -829,7 +829,7 @@ out:
* Unlike btrfs_folio_end_writer_lock() which unlocks a specified subpage range,
* this ends all writer locked ranges of a page.
*
* This is for the locked page of __extent_writepage(), as the locked page
* This is for the locked page of extent_writepage(), as the locked page
* can contain several locked subpage ranges.
*/
void btrfs_folio_end_all_writers(const struct btrfs_fs_info *fs_info, struct folio *folio)

2
include/trace/events/btrfs.h
View File

@ -721,7 +721,7 @@ DECLARE_EVENT_CLASS(btrfs__writepage,
__entry->writeback_index)
);
DEFINE_EVENT(btrfs__writepage, __extent_writepage,
DEFINE_EVENT(btrfs__writepage, extent_writepage,
TP_PROTO(const struct folio *folio, const struct inode *inode,
const struct writeback_control *wbc),