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ext4: Call aops write_begin() and write_end() directly

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pagecache_write_begin() and pagecache_write_end() are now trivial
wrappers, so call the aops directly.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-03-03 13:43:29 -05:00
parent 07a31f728d
commit 1b0aa4449c
1 changed files with 5 additions and 4 deletions
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9
fs/ext4/verity.c
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@ -69,6 +69,9 @@ static int pagecache_read(struct inode *inode, void *buf, size_t count,
static int pagecache_write(struct inode *inode, const void *buf, size_t count,
loff_t pos)
{
struct address_space *mapping = inode->i_mapping;
const struct address_space_operations *aops = mapping->a_ops;
if (pos + count > inode->i_sb->s_maxbytes)
return -EFBIG;
@ -79,15 +82,13 @@ static int pagecache_write(struct inode *inode, const void *buf, size_t count,
void *fsdata;
int res;
res = pagecache_write_begin(NULL, inode->i_mapping, pos, n, 0,
&page, &fsdata);
res = aops->write_begin(NULL, mapping, pos, n, &page, &fsdata);
if (res)
return res;
memcpy_to_page(page, offset_in_page(pos), buf, n);
res = pagecache_write_end(NULL, inode->i_mapping, pos, n, n,
page, fsdata);
res = aops->write_end(NULL, mapping, pos, n, n, page, fsdata);
if (res < 0)
return res;
if (res != n)