[PATCH 71/76] fs/ufs: Use inode_sb() helper instead of inode->i_sb

From: Mark Fasheh
Date: Tue May 08 2018 - 14:08:37 EST

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Signed-off-by: Mark Fasheh <mfasheh@xxxxxxx>
---
fs/ufs/balloc.c | 23 ++++++++++++-----------
fs/ufs/dir.c | 34 +++++++++++++++++-----------------
fs/ufs/ialloc.c | 4 ++--
fs/ufs/inode.c | 37 +++++++++++++++++++------------------
fs/ufs/namei.c | 6 +++---
5 files changed, 53 insertions(+), 51 deletions(-)

diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index e727ee07dbe4..b6053d9c0e64 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -45,7 +45,7 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
unsigned cgno, bit, end_bit, bbase, blkmap, i;
u64 blkno;

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;

UFSD("ENTER, fragment %llu, count %u\n",
@@ -141,7 +141,7 @@ void ufs_free_blocks(struct inode *inode, u64 fragment, unsigned count)
unsigned overflow, cgno, bit, end_bit, i;
u64 blkno;

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;

UFSD("ENTER, fragment %llu, count %u\n",
@@ -268,7 +268,7 @@ static void ufs_change_blocknr(struct inode *inode, sector_t beg,
if (!page)/* it was truncated */
continue;
if (IS_ERR(page)) {/* or EIO */
- ufs_error(inode->i_sb, __func__,
+ ufs_error(inode_sb(inode), __func__,
"read of page %llu failed\n",
(unsigned long long)index);
continue;
@@ -294,12 +294,13 @@ static void ufs_change_blocknr(struct inode *inode, sector_t beg,
pos = (i - beg) + j;

if (!buffer_mapped(bh))
- map_bh(bh, inode->i_sb, oldb + pos);
+ map_bh(bh, inode_sb(inode),
+ oldb + pos);
if (!buffer_uptodate(bh)) {
ll_rw_block(REQ_OP_READ, 0, 1, &bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
- ufs_error(inode->i_sb, __func__,
+ ufs_error(inode_sb(inode), __func__,
"read of block failed\n");
break;
}
@@ -329,9 +330,9 @@ static void ufs_clear_frags(struct inode *inode, sector_t beg, unsigned int n,
sector_t end = beg + n;

for (; beg < end; ++beg) {
- bh = sb_getblk(inode->i_sb, beg);
+ bh = sb_getblk(inode_sb(inode), beg);
lock_buffer(bh);
- memset(bh->b_data, 0, inode->i_sb->s_blocksize);
+ memset(bh->b_data, 0, inode_sb(inode)->s_blocksize);
set_buffer_uptodate(bh);
mark_buffer_dirty(bh);
unlock_buffer(bh);
@@ -355,7 +356,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
inode->i_ino, (unsigned long long)fragment,
(unsigned long long)goal, count);

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(uspi);
*err = -ENOSPC;
@@ -517,7 +518,7 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
UFSD("ENTER, fragment %llu, oldcount %u, newcount %u\n",
(unsigned long long)fragment, oldcount, newcount);

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;
count = newcount - oldcount;

@@ -597,7 +598,7 @@ static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno,
UFSD("ENTER, ino %lu, cgno %u, goal %llu, count %u\n",
inode->i_ino, cgno, (unsigned long long)goal, count);

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;
oldcg = cgno;

@@ -708,7 +709,7 @@ static u64 ufs_alloccg_block(struct inode *inode,

UFSD("ENTER, goal %llu\n", (unsigned long long)goal);

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;
ucg = ubh_get_ucg(UCPI_UBH(ucpi));

diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index b721d0bda5e5..ebe0ddc8b708 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -75,7 +75,7 @@ ino_t ufs_inode_by_name(struct inode *dir, const struct qstr *qstr)

de = ufs_find_entry(dir, qstr, &page);
if (de) {
- res = fs32_to_cpu(dir->i_sb, de->d_ino);
+ res = fs32_to_cpu(inode_sb(dir), de->d_ino);
ufs_put_page(page);
}
return res;
@@ -89,15 +89,15 @@ void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
{
loff_t pos = page_offset(page) +
(char *) de - (char *) page_address(page);
- unsigned len = fs16_to_cpu(dir->i_sb, de->d_reclen);
+ unsigned len = fs16_to_cpu(inode_sb(dir), de->d_reclen);
int err;

lock_page(page);
err = ufs_prepare_chunk(page, pos, len);
BUG_ON(err);

- de->d_ino = cpu_to_fs32(dir->i_sb, inode->i_ino);
- ufs_set_de_type(dir->i_sb, de, inode->i_mode);
+ de->d_ino = cpu_to_fs32(inode_sb(dir), inode->i_ino);
+ ufs_set_de_type(inode_sb(dir), de, inode->i_mode);

err = ufs_commit_chunk(page, pos, len);
ufs_put_page(page);
@@ -110,7 +110,7 @@ void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
static bool ufs_check_page(struct page *page)
{
struct inode *dir = page->mapping->host;
- struct super_block *sb = dir->i_sb;
+ struct super_block *sb = inode_sb(dir);
char *kaddr = page_address(page);
unsigned offs, rec_len;
unsigned limit = PAGE_SIZE;
@@ -232,7 +232,7 @@ struct ufs_dir_entry *ufs_dotdot(struct inode *dir, struct page **p)
struct ufs_dir_entry *de = NULL;

if (!IS_ERR(page)) {
- de = ufs_next_entry(dir->i_sb,
+ de = ufs_next_entry(inode_sb(dir),
(struct ufs_dir_entry *)page_address(page));
*p = page;
}
@@ -250,7 +250,7 @@ struct ufs_dir_entry *ufs_dotdot(struct inode *dir, struct page **p)
struct ufs_dir_entry *ufs_find_entry(struct inode *dir, const struct qstr *qstr,
struct page **res_page)
{
- struct super_block *sb = dir->i_sb;
+ struct super_block *sb = inode_sb(dir);
const unsigned char *name = qstr->name;
int namelen = qstr->len;
unsigned reclen = UFS_DIR_REC_LEN(namelen);
@@ -307,7 +307,7 @@ int ufs_add_link(struct dentry *dentry, struct inode *inode)
struct inode *dir = d_inode(dentry->d_parent);
const unsigned char *name = dentry->d_name.name;
int namelen = dentry->d_name.len;
- struct super_block *sb = dir->i_sb;
+ struct super_block *sb = inode_sb(dir);
unsigned reclen = UFS_DIR_REC_LEN(namelen);
const unsigned int chunk_size = UFS_SB(sb)->s_uspi->s_dirblksize;
unsigned short rec_len, name_len;
@@ -348,7 +348,7 @@ int ufs_add_link(struct dentry *dentry, struct inode *inode)
goto got_it;
}
if (de->d_reclen == 0) {
- ufs_error(dir->i_sb, __func__,
+ ufs_error(inode_sb(dir), __func__,
"zero-length directory entry");
err = -EIO;
goto out_unlock;
@@ -424,7 +424,7 @@ ufs_readdir(struct file *file, struct dir_context *ctx)
{
loff_t pos = ctx->pos;
struct inode *inode = file_inode(file);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
unsigned int offset = pos & ~PAGE_MASK;
unsigned long n = pos >> PAGE_SHIFT;
unsigned long npages = dir_pages(inode);
@@ -495,7 +495,7 @@ ufs_readdir(struct file *file, struct dir_context *ctx)
int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir,
struct page * page)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
char *kaddr = page_address(page);
unsigned from = ((char*)dir - kaddr) & ~(UFS_SB(sb)->s_uspi->s_dirblksize - 1);
unsigned to = ((char*)dir - kaddr) + fs16_to_cpu(sb, dir->d_reclen);
@@ -513,7 +513,7 @@ int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir,

while ((char*)de < (char*)dir) {
if (de->d_reclen == 0) {
- ufs_error(inode->i_sb, __func__,
+ ufs_error(inode_sb(inode), __func__,
"zero-length directory entry");
err = -EIO;
goto out;
@@ -542,7 +542,7 @@ int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir,

int ufs_make_empty(struct inode * inode, struct inode *dir)
{
- struct super_block * sb = dir->i_sb;
+ struct super_block * sb = inode_sb(dir);
struct address_space *mapping = inode->i_mapping;
struct page *page = grab_cache_page(mapping, 0);
const unsigned int chunk_size = UFS_SB(sb)->s_uspi->s_dirblksize;
@@ -590,7 +590,7 @@ int ufs_make_empty(struct inode * inode, struct inode *dir)
*/
int ufs_empty_dir(struct inode * inode)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct page *page = NULL;
unsigned long i, npages = dir_pages(inode);

@@ -608,9 +608,9 @@ int ufs_empty_dir(struct inode * inode)

while ((char *)de <= kaddr) {
if (de->d_reclen == 0) {
- ufs_error(inode->i_sb, __func__,
- "zero-length directory entry: "
- "kaddr=%p, de=%p\n", kaddr, de);
+ ufs_error(inode_sb(inode), __func__,
+ "zero-length directory entry: "
+ "kaddr=%p, de=%p\n", kaddr, de);
goto not_empty;
}
if (de->d_ino) {
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index e1ef0f0a1353..077fb36d5f3e 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -65,7 +65,7 @@ void ufs_free_inode (struct inode * inode)

UFSD("ENTER, ino %lu\n", inode->i_ino);

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;

ino = inode->i_ino;
@@ -187,7 +187,7 @@ struct inode *ufs_new_inode(struct inode *dir, umode_t mode)
/* Cannot create files in a deleted directory */
if (!dir || !dir->i_nlink)
return ERR_PTR(-EPERM);
- sb = dir->i_sb;
+ sb = inode_sb(dir);
inode = new_inode(sb);
if (!inode)
return ERR_PTR(-ENOMEM);
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index c843ec858cf7..eb606975737e 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -45,7 +45,7 @@

static int ufs_block_to_path(struct inode *inode, sector_t i_block, unsigned offsets[4])
{
- struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;
+ struct ufs_sb_private_info *uspi = UFS_SB(inode_sb(inode))->s_uspi;
int ptrs = uspi->s_apb;
int ptrs_bits = uspi->s_apbshift;
const long direct_blocks = UFS_NDADDR,
@@ -70,7 +70,8 @@ static int ufs_block_to_path(struct inode *inode, sector_t i_block, unsigned off
offsets[n++] = (i_block >> ptrs_bits) & (ptrs - 1);
offsets[n++] = i_block & (ptrs - 1);
} else {
- ufs_warning(inode->i_sb, "ufs_block_to_path", "block > big");
+ ufs_warning(inode_sb(inode), "ufs_block_to_path",
+ "block > big");
}
return n;
}
@@ -124,7 +125,7 @@ static inline int grow_chain64(struct ufs_inode_info *ufsi,
static u64 ufs_frag_map(struct inode *inode, unsigned offsets[4], int depth)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
u64 mask = (u64) uspi->s_apbmask>>uspi->s_fpbshift;
int shift = uspi->s_apbshift-uspi->s_fpbshift;
@@ -222,7 +223,7 @@ ufs_extend_tail(struct inode *inode, u64 writes_to,
int *err, struct page *locked_page)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
unsigned lastfrag = ufsi->i_lastfrag; /* it's a short file, so unsigned is enough */
unsigned block = ufs_fragstoblks(lastfrag);
@@ -257,7 +258,7 @@ ufs_inode_getfrag(struct inode *inode, unsigned index,
int *new, struct page *locked_page)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
u64 tmp, goal, lastfrag;
unsigned nfrags = uspi->s_fpb;
@@ -335,7 +336,7 @@ ufs_inode_getblock(struct inode *inode, u64 ind_block,
unsigned index, sector_t new_fragment, int *err,
int *new, struct page *locked_page)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
int shift = uspi->s_apbshift - uspi->s_fpbshift;
u64 tmp = 0, goal;
@@ -395,7 +396,7 @@ ufs_inode_getblock(struct inode *inode, u64 ind_block,

static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
int err = 0, new = 0;
unsigned offsets[4];
@@ -554,13 +555,13 @@ static void ufs_set_inode_ops(struct inode *inode)
}
} else
init_special_inode(inode, inode->i_mode,
- ufs_get_inode_dev(inode->i_sb, UFS_I(inode)));
+ ufs_get_inode_dev(inode_sb(inode), UFS_I(inode)));
}

static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
umode_t mode;

/*
@@ -605,7 +606,7 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
umode_t mode;

UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino);
@@ -713,7 +714,7 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino)

static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_inode_info *ufsi = UFS_I(inode);

ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
@@ -756,7 +757,7 @@ static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)

static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_inode_info *ufsi = UFS_I(inode);

UFSD("ENTER\n");
@@ -796,7 +797,7 @@ static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode)

static int ufs_update_inode(struct inode * inode, int do_sync)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct buffer_head * bh;

@@ -897,7 +898,7 @@ static void ufs_trunc_direct(struct inode *inode)

UFSD("ENTER: ino %lu\n", inode->i_ino);

- sb = inode->i_sb;
+ sb = inode_sb(inode);
uspi = UFS_SB(sb)->s_uspi;

frag1 = DIRECT_FRAGMENT;
@@ -975,7 +976,7 @@ static void ufs_trunc_direct(struct inode *inode)

static void free_full_branch(struct inode *inode, u64 ind_block, int depth)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct ufs_buffer_head *ubh = ubh_bread(sb, ind_block, uspi->s_bsize);
unsigned i;
@@ -1008,7 +1009,7 @@ static void free_full_branch(struct inode *inode, u64 ind_block, int depth)

static void free_branch_tail(struct inode *inode, unsigned from, struct ufs_buffer_head *ubh, int depth)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
unsigned i;

@@ -1048,7 +1049,7 @@ static void free_branch_tail(struct inode *inode, unsigned from, struct ufs_buff
static int ufs_alloc_lastblock(struct inode *inode, loff_t size)
{
int err = 0;
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct address_space *mapping = inode->i_mapping;
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
unsigned i, end;
@@ -1117,7 +1118,7 @@ static int ufs_alloc_lastblock(struct inode *inode, loff_t size)
static void ufs_truncate_blocks(struct inode *inode)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
unsigned offsets[4];
int depth;
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 32545cd00ceb..4a672aca7f53 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -59,7 +59,7 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, unsi

ino = ufs_inode_by_name(dir, &dentry->d_name);
if (ino)
- inode = ufs_iget(dir->i_sb, ino);
+ inode = ufs_iget(inode_sb(dir), ino);
return d_splice_alias(inode, dentry);
}

@@ -99,7 +99,7 @@ static int ufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev
err = PTR_ERR(inode);
if (!IS_ERR(inode)) {
init_special_inode(inode, mode, rdev);
- ufs_set_inode_dev(inode->i_sb, UFS_I(inode), rdev);
+ ufs_set_inode_dev(inode_sb(inode), UFS_I(inode), rdev);
mark_inode_dirty(inode);
err = ufs_add_nondir(dentry, inode);
}
@@ -109,7 +109,7 @@ static int ufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev
static int ufs_symlink (struct inode * dir, struct dentry * dentry,
const char * symname)
{
- struct super_block * sb = dir->i_sb;
+ struct super_block * sb = inode_sb(dir);
int err;
unsigned l = strlen(symname)+1;
struct inode * inode;
--
2.15.1

Next message: Mark Fasheh: "[PATCH 65/76] fs/reiserfs: Use inode_sb() helper instead of inode->i_sb"
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