From: Daniel Rosenberg Date: Tue, 18 Apr 2017 00:11:38 +0000 (-0700) Subject: ANDROID: sdcardfs: Change cache GID value X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=56866356808b2c054f8bebd57a4195baca6cef85;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ANDROID: sdcardfs: Change cache GID value Change-Id: Ieb955dd26493da26a458bc20fbbe75bca32b094f Signed-off-by: Daniel Rosenberg Bug: 37193650 --- diff --git a/fs/sdcardfs/derived_perm.c b/fs/sdcardfs/derived_perm.c index 14747a83ef7e..10153339288a 100644 --- a/fs/sdcardfs/derived_perm.c +++ b/fs/sdcardfs/derived_perm.c @@ -222,7 +222,7 @@ void fixup_lower_ownership(struct dentry *dentry, const char *name) break; case PERM_ANDROID_PACKAGE_CACHE: if (info->d_uid != 0) - gid = multiuser_get_cache_gid(info->d_uid); + gid = multiuser_get_ext_cache_gid(info->d_uid); else gid = multiuser_get_uid(info->userid, uid); break; diff --git a/fs/sdcardfs/multiuser.h b/fs/sdcardfs/multiuser.h index 2e89b5872314..d0c925cda299 100644 --- a/fs/sdcardfs/multiuser.h +++ b/fs/sdcardfs/multiuser.h @@ -23,6 +23,8 @@ #define AID_APP_END 19999 /* last app user */ #define AID_CACHE_GID_START 20000 /* start of gids for apps to mark cached data */ #define AID_EXT_GID_START 30000 /* start of gids for apps to mark external data */ +#define AID_EXT_CACHE_GID_START 40000 /* start of gids for apps to mark external cached data */ +#define AID_EXT_CACHE_GID_END 49999 /* end of gids for apps to mark external cached data */ #define AID_SHARED_GID_START 50000 /* start of gids for apps in each user to share */ typedef uid_t userid_t; @@ -33,9 +35,9 @@ static inline uid_t multiuser_get_uid(userid_t user_id, appid_t app_id) return (user_id * AID_USER_OFFSET) + (app_id % AID_USER_OFFSET); } -static inline gid_t multiuser_get_cache_gid(uid_t uid) +static inline gid_t multiuser_get_ext_cache_gid(uid_t uid) { - return uid - AID_APP_START + AID_CACHE_GID_START; + return uid - AID_APP_START + AID_EXT_CACHE_GID_START; } static inline gid_t multiuser_get_ext_gid(uid_t uid)