shmem: set a_ops earlier in shmem_symlink

Set the a_ops in shmem_symlink before reading a folio from the mapping
to prepare for asserting that shmem_get_folio is only called on shmem
mappings.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-02-19 07:27:11 +01:00 committed by Chandan Babu R
parent aefacb2041
commit e11381d83d

View File

@ -3506,10 +3506,10 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir,
inode->i_op = &shmem_short_symlink_operations;
} else {
inode_nohighmem(inode);
inode->i_mapping->a_ops = &shmem_aops;
error = shmem_get_folio(inode, 0, &folio, SGP_WRITE);
if (error)
goto out_remove_offset;
inode->i_mapping->a_ops = &shmem_aops;
inode->i_op = &shmem_symlink_inode_operations;
memcpy(folio_address(folio), symname, len);
folio_mark_uptodate(folio);