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new helper: file_inode(file)

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-01-23 17:07:38 -05:00
parent 57eccb830f
commit 496ad9aa8e
306 changed files with 696 additions and 717 deletions
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9
include/linux/fs.h
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@@ -2217,6 +2217,11 @@ static inline bool execute_ok(struct inode *inode)
return (inode->i_mode & S_IXUGO) || S_ISDIR(inode->i_mode);
}
static inline struct inode *file_inode(struct file *f)
{
return f->f_path.dentry->d_inode;
}
/*
* get_write_access() gets write permission for a file.
* put_write_access() releases this write permission.
@@ -2239,7 +2244,7 @@ static inline int get_write_access(struct inode *inode)
}
static inline int deny_write_access(struct file *file)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
return atomic_dec_unless_positive(&inode->i_writecount) ? 0 : -ETXTBSY;
}
static inline void put_write_access(struct inode * inode)
@@ -2249,7 +2254,7 @@ static inline void put_write_access(struct inode * inode)
static inline void allow_write_access(struct file *file)
{
if (file)
atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
atomic_inc(&file_inode(file)->i_writecount);
}
#ifdef CONFIG_IMA
static inline void i_readcount_dec(struct inode *inode)

2
include/linux/fsnotify.h
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@@ -244,7 +244,7 @@ static inline void fsnotify_open(struct file *file)
static inline void fsnotify_close(struct file *file)
{
struct path *path = &file->f_path;
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
fmode_t mode = file->f_mode;
__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;

2
include/linux/hugetlb.h
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@@ -281,7 +281,7 @@ static inline struct hstate *hstate_inode(struct inode *i)
static inline struct hstate *hstate_file(struct file *f)
{
return hstate_inode(f->f_dentry->d_inode);
return hstate_inode(file_inode(f));
}
static inline struct hstate *hstate_vma(struct vm_area_struct *vma)

2
include/linux/lockd/lockd.h
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@@ -291,7 +291,7 @@ int nlmsvc_unlock_all_by_ip(struct sockaddr *server_addr);
static inline struct inode *nlmsvc_file_inode(struct nlm_file *file)
{
return file->f_file->f_path.dentry->d_inode;
return file_inode(file->f_file);
}
static inline int __nlm_privileged_request4(const struct sockaddr *sap)