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authorMatthew Wilcox (Oracle) <willy@infradead.org>2022-09-02 22:46:25 +0300
committerAndrew Morton <akpm@linux-foundation.org>2022-10-04 00:02:49 +0300
commit7ad0414bded6e8678840368be5cc72b9957a4478 (patch)
tree6cc9b812f0218badf2f4887f35b07419d4ec697e /mm/shmem.c
parentb0802b22a97581608df3d2db2e705fe599777b18 (diff)
downloadlinux-7ad0414bded6e8678840368be5cc72b9957a4478.tar.xz
shmem: convert shmem_symlink() to use a folio
While symlinks will always be < PAGE_SIZE, using the folio APIs gets rid of unnecessary calls to compound_head(). Link: https://lkml.kernel.org/r/20220902194653.1739778-30-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/shmem.c')
-rw-r--r--mm/shmem.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index c2016a7cfc29..4948ceffcc9f 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3093,7 +3093,7 @@ static int shmem_symlink(struct user_namespace *mnt_userns, struct inode *dir,
int error;
int len;
struct inode *inode;
- struct page *page;
+ struct folio *folio;
len = strlen(symname) + 1;
if (len > PAGE_SIZE)
@@ -3121,18 +3121,18 @@ static int shmem_symlink(struct user_namespace *mnt_userns, struct inode *dir,
inode->i_op = &shmem_short_symlink_operations;
} else {
inode_nohighmem(inode);
- error = shmem_getpage(inode, 0, &page, SGP_WRITE);
+ error = shmem_get_folio(inode, 0, &folio, SGP_WRITE);
if (error) {
iput(inode);
return error;
}
inode->i_mapping->a_ops = &shmem_aops;
inode->i_op = &shmem_symlink_inode_operations;
- memcpy(page_address(page), symname, len);
- SetPageUptodate(page);
- set_page_dirty(page);
- unlock_page(page);
- put_page(page);
+ memcpy(folio_address(folio), symname, len);
+ folio_mark_uptodate(folio);
+ folio_mark_dirty(folio);
+ folio_unlock(folio);
+ folio_put(folio);
}
dir->i_size += BOGO_DIRENT_SIZE;
dir->i_ctime = dir->i_mtime = current_time(dir);