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Code Issues Releases Wiki Activity

fs: convert block_commit_write to return void

Browse source 
block_commit_write() always returns 0, this patch changes it to return
void.

Link: https://lkml.kernel.org/r/20230626055518.842392-3-beanhuo@iokpp.de
Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Luís Henriques <ocfs2-devel@oss.oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Bean Huo 2023-06-26 07:55:18 +02:00 committed by Andrew Morton
parent 489b7e72a6
commit a524fcfe19
5 changed files with 13 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
fs/buffer.c
View file

@ -2180,7 +2180,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len,
}
EXPORT_SYMBOL(__block_write_begin);
static int __block_commit_write(struct folio *folio, size_t from, size_t to)
static void __block_commit_write(struct folio *folio, size_t from, size_t to)
{
size_t block_start, block_end;
bool partial = false;
@ -2215,7 +2215,6 @@ static int __block_commit_write(struct folio *folio, size_t from, size_t to)
*/
if (!partial)
folio_mark_uptodate(folio);
return 0;
}
/*
@ -2596,11 +2595,10 @@ int cont_write_begin(struct file *file, struct address_space *mapping,
}
EXPORT_SYMBOL(cont_write_begin);
int block_commit_write(struct page *page, unsigned from, unsigned to)
void block_commit_write(struct page *page, unsigned from, unsigned to)
{
struct folio *folio = page_folio(page);
__block_commit_write(folio, from, to);
return 0;
}
EXPORT_SYMBOL(block_commit_write);
@ -2646,11 +2644,11 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
end = size - folio_pos(folio);
ret = __block_write_begin_int(folio, 0, end, get_block, NULL);
if (!ret)
ret = __block_commit_write(folio, 0, end);
if (unlikely(ret < 0))
if (unlikely(ret))
goto out_unlock;
__block_commit_write(folio, 0, end);
folio_mark_dirty(folio);
folio_wait_stable(folio);
return 0;

7
fs/ext4/move_extent.c
View file

@ -392,14 +392,11 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
for (i = 0; i < block_len_in_page; i++) {
*err = ext4_get_block(orig_inode, orig_blk_offset + i, bh, 0);
if (*err < 0)
break;
goto repair_branches;
bh = bh->b_this_page;
}
if (!*err)
*err = block_commit_write(&folio[0]->page, from, from + replaced_size);
if (unlikely(*err < 0))
goto repair_branches;
block_commit_write(&folio[0]->page, from, from + replaced_size);
/* Even in case of data=writeback it is reasonable to pin
* inode to transaction, to prevent unexpected data loss */

7
fs/ocfs2/file.c
View file

@ -808,12 +808,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from,
/* must not update i_size! */
ret = block_commit_write(page, block_start + 1,
block_start + 1);
if (ret < 0)
mlog_errno(ret);
else
ret = 0;
block_commit_write(page, block_start + 1, block_start + 1);
}
/*

6
fs/udf/file.c
View file

@ -63,13 +63,13 @@ static vm_fault_t udf_page_mkwrite(struct vm_fault *vmf)
else
end = PAGE_SIZE;
err = __block_write_begin(page, 0, end, udf_get_block);
if (!err)
err = block_commit_write(page, 0, end);
if (err < 0) {
if (err) {
unlock_page(page);
ret = block_page_mkwrite_return(err);
goto out_unlock;
}
block_commit_write(page, 0, end);
out_dirty:
set_page_dirty(page);
wait_for_stable_page(page);

2
include/linux/buffer_head.h
View file

@ -288,7 +288,7 @@ int cont_write_begin(struct file *, struct address_space *, loff_t,
unsigned, struct page **, void **,
get_block_t *, loff_t *);
int generic_cont_expand_simple(struct inode *inode, loff_t size);
int block_commit_write(struct page *page, unsigned from, unsigned to);
void block_commit_write(struct page *page, unsigned int from, unsigned int to);
int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
get_block_t get_block);
/* Convert errno to return value from ->page_mkwrite() call */