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fs: make build_open_flags() available internally

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This is a prep patch for supporting non-blocking open from io_uring.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2019-12-13 11:10:11 -07:00
parent d63d1b5edb
commit 35cb6d54c1
2 changed files with 4 additions and 3 deletions
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2
fs/internal.h
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@ -124,6 +124,8 @@ extern struct file *do_filp_open(int dfd, struct filename *pathname,
const struct open_flags *op);
extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
const char *, const struct open_flags *);
extern struct open_how build_open_how(int flags, umode_t mode);
extern int build_open_flags(const struct open_how *how, struct open_flags *op);
long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
long do_faccessat(int dfd, const char __user *filename, int mode);

5
fs/open.c
View File

@ -958,7 +958,7 @@ EXPORT_SYMBOL(open_with_fake_path);
#define WILL_CREATE(flags) (flags & (O_CREAT | __O_TMPFILE))
#define O_PATH_FLAGS (O_DIRECTORY | O_NOFOLLOW | O_PATH | O_CLOEXEC)
static inline struct open_how build_open_how(int flags, umode_t mode)
inline struct open_how build_open_how(int flags, umode_t mode)
{
struct open_how how = {
.flags = flags & VALID_OPEN_FLAGS,
@ -974,8 +974,7 @@ static inline struct open_how build_open_how(int flags, umode_t mode)
return how;
}
static inline int build_open_flags(const struct open_how *how,
struct open_flags *op)
inline int build_open_flags(const struct open_how *how, struct open_flags *op)
{
int flags = how->flags;
int lookup_flags = 0;