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Message-Id: <20180508180436.716-68-mfasheh@suse.de>
Date: Tue, 8 May 2018 11:04:27 -0700
From: Mark Fasheh <mfasheh@...e.de>
To: linux-fsdevel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org,
Mark Fasheh <mfasheh@...e.de>
Subject: [PATCH 67/76] fs/squashfs: Use inode_sb() helper instead of inode->i_sb
Signed-off-by: Mark Fasheh <mfasheh@...e.de>
---
fs/squashfs/dir.c | 26 ++++++++++++++------------
fs/squashfs/export.c | 2 +-
fs/squashfs/file.c | 34 ++++++++++++++++++----------------
fs/squashfs/file_cache.c | 5 +++--
fs/squashfs/file_direct.c | 9 +++++----
fs/squashfs/inode.c | 2 +-
fs/squashfs/namei.c | 28 ++++++++++++++++------------
fs/squashfs/symlink.c | 2 +-
fs/squashfs/xattr.c | 4 ++--
9 files changed, 61 insertions(+), 51 deletions(-)
diff --git a/fs/squashfs/dir.c b/fs/squashfs/dir.c
index a5845f94a2a1..c184017e4e70 100644
--- a/fs/squashfs/dir.c
+++ b/fs/squashfs/dir.c
@@ -110,7 +110,7 @@ static int get_dir_index_using_offset(struct super_block *sb,
static int squashfs_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(file);
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
u64 block = squashfs_i(inode)->start + msblk->directory_table;
int offset = squashfs_i(inode)->offset, length, err;
unsigned int inode_number, dir_count, size, type;
@@ -154,18 +154,18 @@ static int squashfs_readdir(struct file *file, struct dir_context *ctx)
ctx->pos += size;
}
- length = get_dir_index_using_offset(inode->i_sb, &block, &offset,
- squashfs_i(inode)->dir_idx_start,
- squashfs_i(inode)->dir_idx_offset,
- squashfs_i(inode)->dir_idx_cnt,
- ctx->pos);
+ length = get_dir_index_using_offset(inode_sb(inode), &block, &offset,
+ squashfs_i(inode)->dir_idx_start,
+ squashfs_i(inode)->dir_idx_offset,
+ squashfs_i(inode)->dir_idx_cnt,
+ ctx->pos);
while (length < i_size_read(inode)) {
/*
* Read directory header
*/
- err = squashfs_read_metadata(inode->i_sb, &dirh, &block,
- &offset, sizeof(dirh));
+ err = squashfs_read_metadata(inode_sb(inode), &dirh, &block,
+ &offset, sizeof(dirh));
if (err < 0)
goto failed_read;
@@ -180,8 +180,9 @@ static int squashfs_readdir(struct file *file, struct dir_context *ctx)
/*
* Read directory entry.
*/
- err = squashfs_read_metadata(inode->i_sb, dire, &block,
- &offset, sizeof(*dire));
+ err = squashfs_read_metadata(inode_sb(inode), dire,
+ &block,
+ &offset, sizeof(*dire));
if (err < 0)
goto failed_read;
@@ -191,8 +192,9 @@ static int squashfs_readdir(struct file *file, struct dir_context *ctx)
if (size > SQUASHFS_NAME_LEN)
goto failed_read;
- err = squashfs_read_metadata(inode->i_sb, dire->name,
- &block, &offset, size);
+ err = squashfs_read_metadata(inode_sb(inode),
+ dire->name,
+ &block, &offset, size);
if (err < 0)
goto failed_read;
diff --git a/fs/squashfs/export.c b/fs/squashfs/export.c
index 8073b6532cf0..ce7615f66d5c 100644
--- a/fs/squashfs/export.c
+++ b/fs/squashfs/export.c
@@ -113,7 +113,7 @@ static struct dentry *squashfs_get_parent(struct dentry *child)
struct inode *inode = d_inode(child);
unsigned int parent_ino = squashfs_i(inode)->parent;
- return squashfs_export_iget(inode->i_sb, parent_ino);
+ return squashfs_export_iget(inode_sb(inode), parent_ino);
}
diff --git a/fs/squashfs/file.c b/fs/squashfs/file.c
index 13d80947bf9e..afad108e0d36 100644
--- a/fs/squashfs/file.c
+++ b/fs/squashfs/file.c
@@ -61,7 +61,7 @@ static struct meta_index *locate_meta_index(struct inode *inode, int offset,
int index)
{
struct meta_index *meta = NULL;
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
int i;
mutex_lock(&msblk->meta_index_mutex);
@@ -99,7 +99,7 @@ static struct meta_index *locate_meta_index(struct inode *inode, int offset,
static struct meta_index *empty_meta_index(struct inode *inode, int offset,
int skip)
{
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
struct meta_index *meta = NULL;
int i;
@@ -159,7 +159,7 @@ static struct meta_index *empty_meta_index(struct inode *inode, int offset,
static void release_meta_index(struct inode *inode, struct meta_index *meta)
{
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
mutex_lock(&msblk->meta_index_mutex);
meta->locked = 0;
mutex_unlock(&msblk->meta_index_mutex);
@@ -236,7 +236,7 @@ static inline int calculate_skip(int blocks)
static int fill_meta_index(struct inode *inode, int index,
u64 *index_block, int *index_offset, u64 *data_block)
{
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
int skip = calculate_skip(i_size_read(inode) >> msblk->block_log);
int offset = 0;
struct meta_index *meta;
@@ -282,8 +282,9 @@ static int fill_meta_index(struct inode *inode, int index,
for (i = meta->offset + meta->entries; i <= index &&
i < meta->offset + SQUASHFS_META_ENTRIES; i++) {
int blocks = skip * SQUASHFS_META_INDEXES;
- long long res = read_indexes(inode->i_sb, blocks,
- &cur_index_block, &cur_offset);
+ long long res = read_indexes(inode_sb(inode), blocks,
+ &cur_index_block,
+ &cur_offset);
if (res < 0) {
if (meta->entries == 0)
@@ -354,7 +355,8 @@ static int read_blocklist(struct inode *inode, int index, u64 *block)
* extra block indexes needed.
*/
if (res < index) {
- blks = read_indexes(inode->i_sb, index - res, &start, &offset);
+ blks = read_indexes(inode_sb(inode), index - res, &start,
+ &offset);
if (blks < 0)
return (int) blks;
*block += blks;
@@ -363,8 +365,8 @@ static int read_blocklist(struct inode *inode, int index, u64 *block)
/*
* Read length of block specified by index.
*/
- res = squashfs_read_metadata(inode->i_sb, &size, &start, &offset,
- sizeof(size));
+ res = squashfs_read_metadata(inode_sb(inode), &size, &start, &offset,
+ sizeof(size));
if (res < 0)
return res;
return le32_to_cpu(size);
@@ -375,7 +377,7 @@ void squashfs_copy_cache(struct page *page, struct squashfs_cache_entry *buffer,
int bytes, int offset)
{
struct inode *inode = page->mapping->host;
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
void *pageaddr;
int i, mask = (1 << (msblk->block_log - PAGE_SHIFT)) - 1;
int start_index = page->index & ~mask, end_index = start_index | mask;
@@ -419,10 +421,10 @@ void squashfs_copy_cache(struct page *page, struct squashfs_cache_entry *buffer,
static int squashfs_readpage_fragment(struct page *page)
{
struct inode *inode = page->mapping->host;
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
- struct squashfs_cache_entry *buffer = squashfs_get_fragment(inode->i_sb,
- squashfs_i(inode)->fragment_block,
- squashfs_i(inode)->fragment_size);
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
+ struct squashfs_cache_entry *buffer = squashfs_get_fragment(inode_sb(inode),
+ squashfs_i(inode)->fragment_block,
+ squashfs_i(inode)->fragment_size);
int res = buffer->error;
if (res)
@@ -441,7 +443,7 @@ static int squashfs_readpage_fragment(struct page *page)
static int squashfs_readpage_sparse(struct page *page, int index, int file_end)
{
struct inode *inode = page->mapping->host;
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
int bytes = index == file_end ?
(i_size_read(inode) & (msblk->block_size - 1)) :
msblk->block_size;
@@ -453,7 +455,7 @@ static int squashfs_readpage_sparse(struct page *page, int index, int file_end)
static int squashfs_readpage(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
int index = page->index >> (msblk->block_log - PAGE_SHIFT);
int file_end = i_size_read(inode) >> msblk->block_log;
int res;
diff --git a/fs/squashfs/file_cache.c b/fs/squashfs/file_cache.c
index f2310d2a2019..7aedf57d500d 100644
--- a/fs/squashfs/file_cache.c
+++ b/fs/squashfs/file_cache.c
@@ -23,8 +23,9 @@
int squashfs_readpage_block(struct page *page, u64 block, int bsize)
{
struct inode *i = page->mapping->host;
- struct squashfs_cache_entry *buffer = squashfs_get_datablock(i->i_sb,
- block, bsize);
+ struct squashfs_cache_entry *buffer = squashfs_get_datablock(inode_sb(i),
+ block,
+ bsize);
int res = buffer->error;
if (res)
diff --git a/fs/squashfs/file_direct.c b/fs/squashfs/file_direct.c
index cb485d8e0e91..b336f6872816 100644
--- a/fs/squashfs/file_direct.c
+++ b/fs/squashfs/file_direct.c
@@ -28,7 +28,7 @@ int squashfs_readpage_block(struct page *target_page, u64 block, int bsize)
{
struct inode *inode = target_page->mapping->host;
- struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(inode)->s_fs_info;
int file_end = (i_size_read(inode) - 1) >> PAGE_SHIFT;
int mask = (1 << (msblk->block_log - PAGE_SHIFT)) - 1;
@@ -91,7 +91,7 @@ int squashfs_readpage_block(struct page *target_page, u64 block, int bsize)
}
/* Decompress directly into the page cache buffers */
- res = squashfs_read_data(inode->i_sb, block, bsize, NULL, actor);
+ res = squashfs_read_data(inode_sb(inode), block, bsize, NULL, actor);
if (res < 0)
goto mark_errored;
@@ -141,8 +141,9 @@ static int squashfs_read_cache(struct page *target_page, u64 block, int bsize,
int pages, struct page **page)
{
struct inode *i = target_page->mapping->host;
- struct squashfs_cache_entry *buffer = squashfs_get_datablock(i->i_sb,
- block, bsize);
+ struct squashfs_cache_entry *buffer = squashfs_get_datablock(inode_sb(i),
+ block,
+ bsize);
int bytes = buffer->length, res = buffer->error, n, offset = 0;
void *pageaddr;
diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c
index e9793b1e49a5..686083434be3 100644
--- a/fs/squashfs/inode.c
+++ b/fs/squashfs/inode.c
@@ -112,7 +112,7 @@ struct inode *squashfs_iget(struct super_block *sb, long long ino,
*/
int squashfs_read_inode(struct inode *inode, long long ino)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct squashfs_sb_info *msblk = sb->s_fs_info;
u64 block = SQUASHFS_INODE_BLK(ino) + msblk->inode_table;
int err, type, offset = SQUASHFS_INODE_OFFSET(ino);
diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c
index 40c10d9974c9..82bd0f01630b 100644
--- a/fs/squashfs/namei.c
+++ b/fs/squashfs/namei.c
@@ -142,7 +142,7 @@ static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry,
const unsigned char *name = dentry->d_name.name;
int len = dentry->d_name.len;
struct inode *inode = NULL;
- struct squashfs_sb_info *msblk = dir->i_sb->s_fs_info;
+ struct squashfs_sb_info *msblk = inode_sb(dir)->s_fs_info;
struct squashfs_dir_header dirh;
struct squashfs_dir_entry *dire;
u64 block = squashfs_i(dir)->start + msblk->directory_table;
@@ -163,17 +163,18 @@ static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry,
goto failed;
}
- length = get_dir_index_using_name(dir->i_sb, &block, &offset,
- squashfs_i(dir)->dir_idx_start,
- squashfs_i(dir)->dir_idx_offset,
- squashfs_i(dir)->dir_idx_cnt, name, len);
+ length = get_dir_index_using_name(inode_sb(dir), &block, &offset,
+ squashfs_i(dir)->dir_idx_start,
+ squashfs_i(dir)->dir_idx_offset,
+ squashfs_i(dir)->dir_idx_cnt, name,
+ len);
while (length < i_size_read(dir)) {
/*
* Read directory header.
*/
- err = squashfs_read_metadata(dir->i_sb, &dirh, &block,
- &offset, sizeof(dirh));
+ err = squashfs_read_metadata(inode_sb(dir), &dirh, &block,
+ &offset, sizeof(dirh));
if (err < 0)
goto read_failure;
@@ -188,8 +189,9 @@ static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry,
/*
* Read directory entry.
*/
- err = squashfs_read_metadata(dir->i_sb, dire, &block,
- &offset, sizeof(*dire));
+ err = squashfs_read_metadata(inode_sb(dir), dire,
+ &block,
+ &offset, sizeof(*dire));
if (err < 0)
goto read_failure;
@@ -199,8 +201,9 @@ static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry,
if (size > SQUASHFS_NAME_LEN)
goto data_error;
- err = squashfs_read_metadata(dir->i_sb, dire->name,
- &block, &offset, size);
+ err = squashfs_read_metadata(inode_sb(dir),
+ dire->name,
+ &block, &offset, size);
if (err < 0)
goto read_failure;
@@ -222,7 +225,8 @@ static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry,
"entry %s, inode %x:%x, %d\n", name,
blk, off, ino_num);
- inode = squashfs_iget(dir->i_sb, ino, ino_num);
+ inode = squashfs_iget(inode_sb(dir), ino,
+ ino_num);
goto exit_lookup;
}
}
diff --git a/fs/squashfs/symlink.c b/fs/squashfs/symlink.c
index befeba0fa70a..76a5af382016 100644
--- a/fs/squashfs/symlink.c
+++ b/fs/squashfs/symlink.c
@@ -46,7 +46,7 @@
static int squashfs_symlink_readpage(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct squashfs_sb_info *msblk = sb->s_fs_info;
int index = page->index << PAGE_SHIFT;
u64 block = squashfs_i(inode)->start;
diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index 1548b3784548..b6eec3779af4 100644
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -40,7 +40,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
size_t buffer_size)
{
struct inode *inode = d_inode(d);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct squashfs_sb_info *msblk = sb->s_fs_info;
u64 start = SQUASHFS_XATTR_BLK(squashfs_i(inode)->xattr)
+ msblk->xattr_table;
@@ -118,7 +118,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
static int squashfs_xattr_get(struct inode *inode, int name_index,
const char *name, void *buffer, size_t buffer_size)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct squashfs_sb_info *msblk = sb->s_fs_info;
u64 start = SQUASHFS_XATTR_BLK(squashfs_i(inode)->xattr)
+ msblk->xattr_table;
--
2.15.1
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