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hfs: Call hfs_write_begin() and generic_write_end() directly

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There is only one kind of write_begin/write_end aops, so we don't need
to look up which aop it is, just make hfs_write_begin() available to
this file and call it 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 652118b8c9
commit cfef1f7b39
3 changed files with 7 additions and 6 deletions
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6
fs/hfs/extent.c
View file

@ -491,10 +491,10 @@ void hfs_file_truncate(struct inode *inode)
/* XXX: Can use generic_cont_expand? */
size = inode->i_size - 1;
res = pagecache_write_begin(NULL, mapping, size+1, 0, 0,
&page, &fsdata);
res = hfs_write_begin(NULL, mapping, size + 1, 0, &page,
&fsdata);
if (!res) {
res = pagecache_write_end(NULL, mapping, size+1, 0, 0,
res = generic_write_end(NULL, mapping, size + 1, 0, 0,
page, fsdata);
}
if (res)

2
fs/hfs/hfs_fs.h
View file

@ -201,6 +201,8 @@ extern int hfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern const struct address_space_operations hfs_aops;
extern const struct address_space_operations hfs_btree_aops;
int hfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, struct page **pagep, void **fsdata);
extern struct inode *hfs_new_inode(struct inode *, const struct qstr *, umode_t);
extern void hfs_inode_write_fork(struct inode *, struct hfs_extent *, __be32 *, __be32 *);
extern int hfs_write_inode(struct inode *, struct writeback_control *);

5
fs/hfs/inode.c
View file

@ -49,9 +49,8 @@ static void hfs_write_failed(struct address_space *mapping, loff_t to)
}
}
static int hfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len,
struct page **pagep, void **fsdata)
int hfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, struct page **pagep, void **fsdata)
{
int ret;