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authorAl Viro <viro@zeniv.linux.org.uk>2024-04-25 00:15:46 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2024-04-25 00:57:14 -0400
commit958b9f85f8d9d884045ed4b93b2082090e617f97 (patch)
treea3238bd0ac2030db0d5993ad8b1fe77189f24d8c
parent469ad583c1293f5d9f45183050b3beeb4a8c3475 (diff)
erofs_buf: store address_space instead of inode
... seeing that ->i_mapping is the only thing we want from the inode. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/erofs/data.c7
-rw-r--r--fs/erofs/dir.c2
-rw-r--r--fs/erofs/internal.h2
-rw-r--r--fs/erofs/namei.c4
-rw-r--r--fs/erofs/xattr.c2
-rw-r--r--fs/erofs/zdata.c2
6 files changed, 9 insertions, 10 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index d3c446dda2ff..e1a170e45c70 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -32,7 +32,6 @@ void erofs_put_metabuf(struct erofs_buf *buf)
void *erofs_bread(struct erofs_buf *buf, erofs_off_t offset,
enum erofs_kmap_type type)
{
- struct inode *inode = buf->inode;
pgoff_t index = offset >> PAGE_SHIFT;
struct page *page = buf->page;
struct folio *folio;
@@ -42,7 +41,7 @@ void *erofs_bread(struct erofs_buf *buf, erofs_off_t offset,
erofs_put_metabuf(buf);
nofs_flag = memalloc_nofs_save();
- folio = read_cache_folio(inode->i_mapping, index, NULL, NULL);
+ folio = read_cache_folio(buf->mapping, index, NULL, NULL);
memalloc_nofs_restore(nofs_flag);
if (IS_ERR(folio))
return folio;
@@ -67,9 +66,9 @@ void *erofs_bread(struct erofs_buf *buf, erofs_off_t offset,
void erofs_init_metabuf(struct erofs_buf *buf, struct super_block *sb)
{
if (erofs_is_fscache_mode(sb))
- buf->inode = EROFS_SB(sb)->s_fscache->inode;
+ buf->mapping = EROFS_SB(sb)->s_fscache->inode->i_mapping;
else
- buf->inode = sb->s_bdev->bd_inode;
+ buf->mapping = sb->s_bdev->bd_inode->i_mapping;
}
void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb,
diff --git a/fs/erofs/dir.c b/fs/erofs/dir.c
index 9d38f39bb4f7..2193a6710c8f 100644
--- a/fs/erofs/dir.c
+++ b/fs/erofs/dir.c
@@ -58,7 +58,7 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx)
int err = 0;
bool initial = true;
- buf.inode = dir;
+ buf.mapping = dir->i_mapping;
while (ctx->pos < dirsize) {
struct erofs_dirent *de;
unsigned int nameoff, maxsize;
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index 9e30c67c135c..12a179818897 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -223,7 +223,7 @@ enum erofs_kmap_type {
};
struct erofs_buf {
- struct inode *inode;
+ struct address_space *mapping;
struct page *page;
void *base;
enum erofs_kmap_type kmap_type;
diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c
index 11afa48996a3..c94d0c1608a8 100644
--- a/fs/erofs/namei.c
+++ b/fs/erofs/namei.c
@@ -99,7 +99,7 @@ static void *erofs_find_target_block(struct erofs_buf *target,
struct erofs_buf buf = __EROFS_BUF_INITIALIZER;
struct erofs_dirent *de;
- buf.inode = dir;
+ buf.mapping = dir->i_mapping;
de = erofs_bread(&buf, erofs_pos(dir->i_sb, mid), EROFS_KMAP);
if (!IS_ERR(de)) {
const int nameoff = nameoff_from_disk(de->nameoff, bsz);
@@ -171,7 +171,7 @@ int erofs_namei(struct inode *dir, const struct qstr *name, erofs_nid_t *nid,
qn.name = name->name;
qn.end = name->name + name->len;
- buf.inode = dir;
+ buf.mapping = dir->i_mapping;
ndirents = 0;
de = erofs_find_target_block(&buf, dir, &qn, &ndirents);
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index ec233917830a..a90d7d649739 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -483,7 +483,7 @@ int erofs_xattr_prefixes_init(struct super_block *sb)
return -ENOMEM;
if (sbi->packed_inode)
- buf.inode = sbi->packed_inode;
+ buf.mapping = sbi->packed_inode->i_mapping;
else
erofs_init_metabuf(&buf, sb);
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 9ffdae7fcd5b..283c9c3a611d 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -936,7 +936,7 @@ static int z_erofs_read_fragment(struct super_block *sb, struct page *page,
if (!packed_inode)
return -EFSCORRUPTED;
- buf.inode = packed_inode;
+ buf.mapping = packed_inode->i_mapping;
for (; cur < end; cur += cnt, pos += cnt) {
cnt = min_t(unsigned int, end - cur,
sb->s_blocksize - erofs_blkoff(sb, pos));