From eaa693f4dcf1ca64b41b02d907e9c401c085cf59 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Sun, 26 Apr 2015 00:15:29 -0700 Subject: f2fs: introduce dot and dotdot name check This patch adds an inline function to check dot and dotdot names. Signed-off-by: Jaegeuk Kim --- fs/f2fs/f2fs.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'fs/f2fs/f2fs.h') diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e99a404d97d7..b8f99fd4fcff 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1454,6 +1454,17 @@ static inline void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi) sbi->sb->s_flags |= MS_RDONLY; } +static inline bool is_dot_dotdot(const struct qstr *str) +{ + if (str->len == 1 && str->name[0] == '.') + return true; + + if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') + return true; + + return false; +} + #define get_inode_mode(i) \ ((is_inode_flag_set(F2FS_I(i), FI_ACL_MODE)) ? \ (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) -- cgit v1.2.3