On 01/04, Chao Yu wrote: > On 2019/1/4 12:19, Jaegeuk Kim wrote: > > This exports pin_file status to user. > > Semantics of pin_file flag is the same as nocow flag which is more widely > used in lsattr/chattr and vfs now. > > #define FS_NOCOW_FL 0x00800000 /* Do not cow file */ > > lsattr/chattr > no copy on write (C) > > How about exporting it via F2FS_NOCOW_FL(0x00800000)?
Yeah, let me send v2. > > Thanks, > > > > > Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org> > > --- > > fs/f2fs/f2fs.h | 3 ++- > > fs/f2fs/file.c | 2 ++ > > 2 files changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h > > index 12fabd6735dd..036fd62010c1 100644 > > --- a/fs/f2fs/f2fs.h > > +++ b/fs/f2fs/f2fs.h > > @@ -2303,9 +2303,10 @@ static inline void f2fs_change_bit(unsigned int nr, > > char *addr) > > #define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond > > EOF */ > > #define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline > > data. */ > > #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with > > parents projid */ > > +#define F2FS_PIN_FILE_FL 0x40000000 /* pin_file status */ > > #define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */ > > > > -#define F2FS_FL_USER_VISIBLE 0x304BDFFF /* User visible > > flags */ > > +#define F2FS_FL_USER_VISIBLE 0x704BDFFF /* User visible > > flags */ > > #define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable > > flags */ > > > > /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */ > > diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c > > index ae2b45e75847..eb099f1ee937 100644 > > --- a/fs/f2fs/file.c > > +++ b/fs/f2fs/file.c > > @@ -1651,6 +1651,8 @@ static int f2fs_ioc_getflags(struct file *filp, > > unsigned long arg) > > flags |= F2FS_ENCRYPT_FL; > > if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode)) > > flags |= F2FS_INLINE_DATA_FL; > > + if (is_inode_flag_set(inode, FI_PIN_FILE)) > > + flags |= F2FS_PIN_FILE_FL; > > > > flags &= F2FS_FL_USER_VISIBLE; > > > >
