[PATCH 62/76] fs/quota: Use inode_sb() helper instead of inode->i_sb

From: Mark Fasheh
Date: Tue May 08 2018 - 14:11:17 EST


Signed-off-by: Mark Fasheh <mfasheh@xxxxxxx>
---
fs/quota/dquot.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 020c597ef9b6..ba6d549323cb 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -920,7 +920,7 @@ EXPORT_SYMBOL(dqget);

static inline struct dquot **i_dquot(struct inode *inode)
{
- return inode->i_sb->s_op->get_dquots(inode);
+ return inode_sb(inode)->s_op->get_dquots(inode);
}

static int dqinit_needed(struct inode *inode, int type)
@@ -1406,7 +1406,7 @@ static int info_bdq_free(struct dquot *dquot, qsize_t space)

static int dquot_active(const struct inode *inode)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);

if (IS_NOQUOTA(inode))
return 0;
@@ -1423,7 +1423,7 @@ static int __dquot_initialize(struct inode *inode, int type)
{
int cnt, init_needed = 0;
struct dquot **dquots, *got[MAXQUOTAS] = {};
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
qsize_t rsv;
int ret = 0;

@@ -1462,7 +1462,7 @@ static int __dquot_initialize(struct inode *inode, int type)
qid = make_kqid_gid(inode->i_gid);
break;
case PRJQUOTA:
- rc = inode->i_sb->dq_op->get_projid(inode, &projid);
+ rc = inode_sb(inode)->dq_op->get_projid(inode, &projid);
if (rc)
continue;
qid = make_kqid_projid(projid);
@@ -1540,7 +1540,7 @@ bool dquot_initialize_needed(struct inode *inode)

dquots = i_dquot(inode);
for (i = 0; i < MAXQUOTAS; i++)
- if (!dquots[i] && sb_has_quota_active(inode->i_sb, i))
+ if (!dquots[i] && sb_has_quota_active(inode_sb(inode), i))
return true;
return false;
}
@@ -1603,13 +1603,13 @@ static qsize_t *inode_reserved_space(struct inode * inode)
{
/* Filesystem must explicitly define it's own method in order to use
* quota reservation interface */
- BUG_ON(!inode->i_sb->dq_op->get_reserved_space);
- return inode->i_sb->dq_op->get_reserved_space(inode);
+ BUG_ON(!inode_sb(inode)->dq_op->get_reserved_space);
+ return inode_sb(inode)->dq_op->get_reserved_space(inode);
}

static qsize_t __inode_get_rsv_space(struct inode *inode)
{
- if (!inode->i_sb->dq_op->get_reserved_space)
+ if (!inode_sb(inode)->dq_op->get_reserved_space)
return 0;
return *inode_reserved_space(inode);
}
@@ -1618,7 +1618,7 @@ static qsize_t inode_get_rsv_space(struct inode *inode)
{
qsize_t ret;

- if (!inode->i_sb->dq_op->get_reserved_space)
+ if (!inode_sb(inode)->dq_op->get_reserved_space)
return 0;
spin_lock(&inode->i_lock);
ret = __inode_get_rsv_space(inode);
@@ -1955,8 +1955,8 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
if (IS_NOQUOTA(inode))
return 0;

- if (inode->i_sb->dq_op->get_inode_usage) {
- ret = inode->i_sb->dq_op->get_inode_usage(inode, &inode_usage);
+ if (inode_sb(inode)->dq_op->get_inode_usage) {
+ ret = inode_sb(inode)->dq_op->get_inode_usage(inode, &inode_usage);
if (ret)
return ret;
}
@@ -1988,7 +1988,7 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
if (!transfer_to[cnt])
continue;
/* Avoid races with quotaoff() */
- if (!sb_has_quota_active(inode->i_sb, cnt))
+ if (!sb_has_quota_active(inode_sb(inode), cnt))
continue;
is_valid[cnt] = 1;
transfer_from[cnt] = i_dquot(inode)[cnt];
@@ -2070,7 +2070,7 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr)
{
struct dquot *transfer_to[MAXQUOTAS] = {};
struct dquot *dquot;
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
int ret;

if (!dquot_active(inode))
@@ -2302,7 +2302,7 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
unsigned int flags)
{
struct quota_format_type *fmt = find_quota_format(format_id);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct quota_info *dqopt = sb_dqopt(sb);
int error;

@@ -2464,7 +2464,7 @@ EXPORT_SYMBOL(dquot_quota_on);
int dquot_enable(struct inode *inode, int type, int format_id,
unsigned int flags)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);

/* Just unsuspend quotas? */
BUG_ON(flags & DQUOT_SUSPENDED);
--
2.15.1