tree: https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending head: 4e2f899e682d1e6c647651bc36bcdba3b3577485 commit: 0b25105d34e381fafc7eb9395007727bbb4661a4 [284/291] x86, powerpc: Rename memcpy_mcsafe() to copy_mc_to_{user,kernel}() config: powerpc-rhel-kconfig (attached as .config) compiler: powerpc64le-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 0b25105d34e381fafc7eb9395007727bbb4661a4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>, old ones prefixed by <<): | ^ include/linux/fs.h:540:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 540 | { | ^ include/linux/fs.h:545:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 545 | { | ^ include/linux/fs.h:553:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 553 | { | ^ include/linux/fs.h:567:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 567 | { | ^ include/linux/fs.h:572:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 572 | { | ^ include/linux/fs.h:578:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 578 | { | ^ include/linux/fs.h:583:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 583 | { | ^ include/linux/fs.h:589:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 589 | { | ^ include/linux/fs.h:604:1: warning: empty declaration 604 | struct posix_acl; | ^~~~~~ include/linux/fs.h:610:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 610 | { | ^ include/linux/fs.h:616:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 616 | { | ^ include/linux/fs.h:626:1: warning: empty declaration 626 | struct fsnotify_mark_connector; | ^~~~~~ include/linux/fs.h:668:20: error: field 'i_atime' has incomplete type 668 | struct timespec64 i_atime; | ^~~~~~~ include/linux/fs.h:669:20: error: field 'i_mtime' has incomplete type 669 | struct timespec64 i_mtime; | ^~~~~~~ include/linux/fs.h:670:20: error: field 'i_ctime' has incomplete type 670 | struct timespec64 i_ctime; | ^~~~~~~ include/linux/fs.h:633:1: warning: empty declaration 633 | struct inode { | ^~~~~~ include/linux/fs.h:749:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 749 | { | ^ include/linux/fs.h:754:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 754 | { | ^ include/linux/fs.h:765:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 765 | { | ^ include/linux/fs.h:785:1: warning: empty declaration 785 | enum inode_i_mutex_lock_class | ^~~~ include/linux/fs.h:796:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 796 | { | ^ include/linux/fs.h:801:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 801 | { | ^ include/linux/fs.h:806:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 806 | { | ^ include/linux/fs.h:811:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 811 | { | ^ include/linux/fs.h:816:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 816 | { | ^ include/linux/fs.h:821:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 821 | { | ^ include/linux/fs.h:826:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 826 | { | ^ include/linux/fs.h:831:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 831 | { | ^ include/linux/fs.h:836:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 836 | { | ^ include/linux/fs.h:854:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 854 | { | ^ include/linux/fs.h:882:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 882 | { | ^ include/linux/fs.h:899:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 899 | { | ^ include/linux/fs.h:904:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 904 | { | ^ 908 | extern struct block_device *I_BDEV(struct inode *inode); | ^~~~~~ 913 | enum pid_type pid_type; /* Kind of process group SIGIO should be sent to */ | ^~~~~~~~ include/linux/fs.h:910:1: warning: empty declaration 910 | struct fown_struct { | ^~~~~~ include/linux/fs.h:921:1: warning: empty declaration 921 | struct file_ra_state { | ^~~~~~ include/linux/fs.h:936:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 936 | { | ^ include/linux/fs.h:978:2: error: expected specifier-qualifier-list before 'errseq_t' 978 | errseq_t f_wb_err; | ^~~~~~~~ include/linux/fs.h:941:1: warning: empty declaration 941 | struct file { | ^~~~~~ include/linux/fs.h:982:1: warning: empty declaration 982 | struct file_handle { | ^~~~~~ include/linux/fs.h:990:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 990 | { | ^ 1031 | typedef void *fl_owner_t; | ^~~~~~~~~~ include/linux/fs.h:1033:1: warning: empty declaration 1033 | struct file_lock; | ^~~~~~ include/linux/fs.h:1035:1: warning: empty declaration 1035 | struct file_lock_operations { | ^~~~~~ 1041 | fl_owner_t (*lm_get_owner)(fl_owner_t); | ^~~~~~~~~~ include/linux/fs.h:1040:1: warning: empty declaration 1040 | struct lock_manager_operations { | ^~~~~~ include/linux/fs.h:1050:1: warning: empty declaration 1050 | struct lock_manager { | ^~~~~~ include/linux/fs.h:1059:1: warning: empty declaration 1059 | struct net; | ^~~~~~ In file included from include/linux/fs.h:1066, from include/linux/compat.h:17, from arch/powerpc/kernel/asm-offsets.c:14: include/linux/nfs_fs_i.h:5:1: warning: empty declaration 5 | struct nlm_lockowner; | ^~~~~~ include/linux/nfs_fs_i.h:10:1: warning: empty declaration 10 | struct nfs_lock_info { | ^~~~~~ include/linux/nfs_fs_i.h:16:1: warning: empty declaration 16 | struct nfs4_lock_state; | ^~~~~~ include/linux/nfs_fs_i.h:17:1: warning: empty declaration 17 | struct nfs4_lock_info { | ^~~~~~ In file included from include/linux/compat.h:17, from arch/powerpc/kernel/asm-offsets.c:14: include/linux/fs.h:1095:2: error: expected specifier-qualifier-list before 'fl_owner_t' 1095 | fl_owner_t fl_owner; | ^~~~~~~~~~ include/linux/fs.h:1085:1: warning: empty declaration 1085 | struct file_lock { | ^~~~~~ include/linux/fs.h:1123:1: warning: empty declaration 1123 | struct file_lock_context { | ^~~~~~ 1137 | extern void send_sigio(struct fown_struct *fown, int fd, int band); | ^~~~~~~~~~ 1142 | extern int fcntl_getlk(struct file *, unsigned int, struct flock *); | ^~~~~~~~~~~ 1143 | extern int fcntl_setlk(unsigned int, struct file *, unsigned int, | ^~~~~~~~~~~ 1152 | extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg); | ^~~~~~~~~~~~~~ 1153 | extern int fcntl_getlease(struct file *filp); | ^~~~~~~~~~~~~~ 1158 | extern void locks_init_lock(struct file_lock *); | ^~~~~~~~~~~~~~~ 1159 | extern struct file_lock * locks_alloc_lock(void); | ^~~~~~~~~~~~~~~~ 1160 | extern void locks_copy_lock(struct file_lock *, struct file_lock *); | ^~~~~~~~~~~~~~~ 1161 | extern void locks_copy_conflock(struct file_lock *, struct file_lock *); | ^~~~~~~~~~~~~~~~~~~ 1162 | extern void locks_remove_posix(struct file *, fl_owner_t); | ^~~~~~~~~~ 1163 | extern void locks_remove_file(struct file *); | ^~~~~~~~~~~~~~~~~ 1164 | extern void locks_release_private(struct file_lock *); | ^~~~~~~~~~~~~~~~~~~~~ 1165 | extern void posix_test_lock(struct file *, struct file_lock *); | ^~~~~~~~~~~~~~~ 1166 | extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *); | ^~~~~~~~~~~~~~~ 1167 | extern int locks_delete_block(struct file_lock *); | ^~~~~~~~~~~~~~~~~~ 1168 | extern int vfs_test_lock(struct file *, struct file_lock *); | ^~~~~~~~~~~~~ include/linux/fs.h:1169:12: error: storage class specified for parameter 'vfs_lock_file' 1169 | extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); | ^~~~~~~~~~~~~ include/linux/fs.h:1170:12: error: storage class specified for parameter 'vfs_cancel_lock' 1170 | extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl); | ^~~~~~~~~~~~~~~ include/linux/fs.h:1171:12: error: storage class specified for parameter 'locks_lock_inode_wait' 1171 | extern int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl); | ^~~~~~~~~~~~~~~~~~~~~ include/linux/fs.h:1172:12: error: storage class specified for parameter '__break_lease' 1172 | extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); | ^~~~~~~~~~~~~ include/linux/fs.h:1173:13: error: storage class specified for parameter 'lease_get_mtime' 1173 | extern void lease_get_mtime(struct inode *, struct timespec64 *time); | ^~~~~~~~~~~~~~~ include/linux/fs.h:1174:12: error: storage class specified for parameter 'generic_setlease' 1174 | extern int generic_setlease(struct file *, long, struct file_lock **, void **priv); | ^~~~~~~~~~~~~~~~ include/linux/fs.h:1175:12: error: storage class specified for parameter 'vfs_setlease' 1175 | extern int vfs_setlease(struct file *, long, struct file_lock **, void **); | ^~~~~~~~~~~~ include/linux/fs.h:1176:12: error: storage class specified for parameter 'lease_modify' 1176 | extern int lease_modify(struct file_lock *, int, struct list_head *); | ^~~~~~~~~~~~ include/linux/fs.h:1178:1: warning: empty declaration 1178 | struct notifier_block; | ^~~~~~ include/linux/fs.h:1179:12: error: storage class specified for parameter 'lease_register_notifier' 1179 | extern int lease_register_notifier(struct notifier_block *); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/fs.h:1180:13: error: storage class specified for parameter 'lease_unregister_notifier' 1180 | extern void lease_unregister_notifier(struct notifier_block *); | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fs.h:1182:1: warning: empty declaration 1182 | struct files_struct; | ^~~~~~ include/linux/fs.h:1183:13: error: storage class specified for parameter 'show_fd_locks' 1183 | extern void show_fd_locks(struct seq_file *f, | ^~~~~~~~~~~~~ include/linux/fs.h:1323:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 1323 | { | ^ include/linux/fs.h:1328:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 1328 | { | ^ include/linux/fs.h:1333:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 1333 | { | ^ include/linux/fs.h:1337:1: warning: empty declaration 1337 | struct fasync_struct { | ^~~~~~ include/linux/fs.h:1349:12: error: storage class specified for parameter 'fasync_helper' 1349 | extern int fasync_helper(int, struct file *, int, struct fasync_struct **); | ^~~~~~~~~~~~~ include/linux/fs.h:1350:30: error: storage class specified for parameter 'fasync_insert_entry' 1350 | extern struct fasync_struct *fasync_insert_entry(int, struct file *, struct fasync_struct **, struct fasync_struct *); | ^~~~~~~~~~~~~~~~~~~ include/linux/fs.h:1351:12: error: storage class specified for parameter 'fasync_remove_entry' 1351 | extern int fasync_remove_entry(struct file *, struct fasync_struct **); | ^~~~~~~~~~~~~~~~~~~ include/linux/fs.h:1352:30: error: storage class specified for parameter 'fasync_alloc' 1352 | extern struct fasync_struct *fasync_alloc(void); | ^~~~~~~~~~~~ include/linux/fs.h:1353:13: error: storage class specified for parameter 'fasync_free' 1353 | extern void fasync_free(struct fasync_struct *); | ^~~~~~~~~~~ include/linux/fs.h:1356:13: error: storage class specified for parameter 'kill_fasync' 1356 | extern void kill_fasync(struct fasync_struct **, int, int); | ^~~~~~~~~~~ include/linux/fs.h:1358:13: error: storage class specified for parameter '__f_setown' 1358 | extern void __f_setown(struct file *filp, struct pid *, enum pid_type, int force); | ^~~~~~~~~~ include/linux/fs.h:1359:12: error: storage class specified for parameter 'f_setown' 1359 | extern int f_setown(struct file *filp, unsigned long arg, int force); | ^~~~~~~~ include/linux/fs.h:1360:13: error: storage class specified for parameter 'f_delown' 1360 | extern void f_delown(struct file *filp); | ^~~~~~~~ include/linux/fs.h:1361:14: error: storage class specified for parameter 'f_getown' 1361 | extern pid_t f_getown(struct file *filp); | ^~~~~~~~ include/linux/fs.h:1362:12: error: storage class specified for parameter 'send_sigurg' 1362 | extern int send_sigurg(struct fown_struct *fown); | ^~~~~~~~~~~ include/linux/fs.h:1413:1: warning: empty declaration 1413 | enum { | ^~~~ include/linux/fs.h:1424:1: warning: empty declaration 1424 | struct sb_writers { | ^~~~~~ include/linux/fs.h:1488:2: error: expected specifier-qualifier-list before 'uuid_t' 1488 | uuid_t s_uuid; /* UUID */ | ^~~~~~ include/linux/fs.h:1430:1: warning: empty declaration 1430 | struct super_block { | ^~~~~~ include/linux/fs.h:1565:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 1565 | { vim +/I_BDEV +908 include/linux/fs.h ^1da177e4c3f4152 Linus Torvalds 2005-04-16 875 7762f5a0b709b415 Miklos Szeredi 2006-10-17 876 /* 7762f5a0b709b415 Miklos Szeredi 2006-10-17 877 * NOTE: unlike i_size_read(), i_size_write() does need locking around it 7762f5a0b709b415 Miklos Szeredi 2006-10-17 878 * (normally i_mutex), otherwise on 32bit/SMP an update of i_size_seqcount 7762f5a0b709b415 Miklos Szeredi 2006-10-17 879 * can be lost, resulting in subsequent i_size_read() calls spinning forever. 7762f5a0b709b415 Miklos Szeredi 2006-10-17 880 */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 881 static inline void i_size_write(struct inode *inode, loff_t i_size) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 @882 { ^1da177e4c3f4152 Linus Torvalds 2005-04-16 883 #if BITS_PER_LONG==32 && defined(CONFIG_SMP) 74e3d1e17b2e11d1 Fan Du 2013-04-30 884 preempt_disable(); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 885 write_seqcount_begin(&inode->i_size_seqcount); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 886 inode->i_size = i_size; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 887 write_seqcount_end(&inode->i_size_seqcount); 74e3d1e17b2e11d1 Fan Du 2013-04-30 888 preempt_enable(); 2496396fcb44404e Thomas Gleixner 2019-10-15 889 #elif BITS_PER_LONG==32 && defined(CONFIG_PREEMPTION) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 890 preempt_disable(); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 891 inode->i_size = i_size; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 892 preempt_enable(); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 893 #else ^1da177e4c3f4152 Linus Torvalds 2005-04-16 894 inode->i_size = i_size; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 895 #endif ^1da177e4c3f4152 Linus Torvalds 2005-04-16 896 } ^1da177e4c3f4152 Linus Torvalds 2005-04-16 897 48ed214d10ae3c39 Jan Engelhardt 2006-12-06 898 static inline unsigned iminor(const struct inode *inode) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 @899 { ^1da177e4c3f4152 Linus Torvalds 2005-04-16 900 return MINOR(inode->i_rdev); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 901 } ^1da177e4c3f4152 Linus Torvalds 2005-04-16 902 48ed214d10ae3c39 Jan Engelhardt 2006-12-06 903 static inline unsigned imajor(const struct inode *inode) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 904 { ^1da177e4c3f4152 Linus Torvalds 2005-04-16 905 return MAJOR(inode->i_rdev); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 906 } ^1da177e4c3f4152 Linus Torvalds 2005-04-16 907 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 @908 extern struct block_device *I_BDEV(struct inode *inode); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 909 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 910 struct fown_struct { ^1da177e4c3f4152 Linus Torvalds 2005-04-16 911 rwlock_t lock; /* protects pid, uid, euid fields */ 609d7fa9565c7544 Eric W. Biederman 2006-10-02 912 struct pid *pid; /* pid or -pgrp where SIGIO should be sent */ 609d7fa9565c7544 Eric W. Biederman 2006-10-02 @913 enum pid_type pid_type; /* Kind of process group SIGIO should be sent to */ 92361636e0153bd0 Eric W. Biederman 2012-02-08 914 kuid_t uid, euid; /* uid/euid of process setting the owner */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 915 int signum; /* posix.1b rt signal to be delivered on IO */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 916 }; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 917 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 918 /* ^1da177e4c3f4152 Linus Torvalds 2005-04-16 919 * Track a single file's readahead state ^1da177e4c3f4152 Linus Torvalds 2005-04-16 920 */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 921 struct file_ra_state { f9acc8c7b35a100f Fengguang Wu 2007-07-19 922 pgoff_t start; /* where readahead started */ 937085aa35cc873d Fengguang Wu 2007-10-16 923 unsigned int size; /* # of readahead pages */ 937085aa35cc873d Fengguang Wu 2007-10-16 924 unsigned int async_size; /* do asynchronous readahead when f9acc8c7b35a100f Fengguang Wu 2007-07-19 925 there are only # of pages ahead */ 5ce1110b92b31d07 Fengguang Wu 2007-07-19 926 937085aa35cc873d Fengguang Wu 2007-10-16 927 unsigned int ra_pages; /* Maximum readahead window */ 1ebf26a9b338534d Wu Fengguang 2009-06-16 928 unsigned int mmap_miss; /* Cache miss stat for mmap accesses */ f4e6b498d6e06742 Fengguang Wu 2007-10-16 929 loff_t prev_pos; /* Cache last read() position */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 930 }; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 931 5ce1110b92b31d07 Fengguang Wu 2007-07-19 932 /* 5ce1110b92b31d07 Fengguang Wu 2007-07-19 933 * Check if @index falls in the readahead windows. 5ce1110b92b31d07 Fengguang Wu 2007-07-19 934 */ 5ce1110b92b31d07 Fengguang Wu 2007-07-19 935 static inline int ra_has_index(struct file_ra_state *ra, pgoff_t index) 5ce1110b92b31d07 Fengguang Wu 2007-07-19 936 { f9acc8c7b35a100f Fengguang Wu 2007-07-19 937 return (index >= ra->start && f9acc8c7b35a100f Fengguang Wu 2007-07-19 938 index < ra->start + ra->size); 5ce1110b92b31d07 Fengguang Wu 2007-07-19 939 } 5ce1110b92b31d07 Fengguang Wu 2007-07-19 940 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 @941 struct file { 2f51201662b28dbf Eric Dumazet 2005-10-30 942 union { 4f5e65a1cc90bbb1 Oleg Nesterov 2013-07-08 943 struct llist_node fu_llist; 2f51201662b28dbf Eric Dumazet 2005-10-30 944 struct rcu_head fu_rcuhead; 2f51201662b28dbf Eric Dumazet 2005-10-30 945 } f_u; 0f7fc9e4d03987fe Josef "Jeff" Sipek 2006-12-08 946 struct path f_path; dd37978c50bc8b35 Al Viro 2013-03-01 947 struct inode *f_inode; /* cached value */ 99ac48f54a91d021 Arjan van de Ven 2006-03-28 948 const struct file_operations *f_op; ef3d0fd27e90f67e Andi Kleen 2011-09-15 949 ef3d0fd27e90f67e Andi Kleen 2011-09-15 950 /* 9c225f2655e36a47 Linus Torvalds 2014-03-03 951 * Protects f_ep_links, f_flags. ef3d0fd27e90f67e Andi Kleen 2011-09-15 952 * Must not be taken from IRQ context. ef3d0fd27e90f67e Andi Kleen 2011-09-15 953 */ ef3d0fd27e90f67e Andi Kleen 2011-09-15 954 spinlock_t f_lock; c75b1d9421f80f41 Jens Axboe 2017-06-27 955 enum rw_hint f_write_hint; 516e0cc5646f377a Al Viro 2008-07-26 956 atomic_long_t f_count; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 957 unsigned int f_flags; aeb5d727062a0238 Al Viro 2008-09-02 958 fmode_t f_mode; 9c225f2655e36a47 Linus Torvalds 2014-03-03 959 struct mutex f_pos_lock; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 960 loff_t f_pos; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 961 struct fown_struct f_owner; d76b0d9b2d87cfc9 David Howells 2008-11-14 962 const struct cred *f_cred; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 963 struct file_ra_state f_ra; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 964 2b47c3611de05c58 Mathieu Desnoyers 2007-10-16 965 u64 f_version; 50462062a02226a6 Alexey Dobriyan 2006-09-29 966 #ifdef CONFIG_SECURITY ^1da177e4c3f4152 Linus Torvalds 2005-04-16 967 void *f_security; 50462062a02226a6 Alexey Dobriyan 2006-09-29 968 #endif ^1da177e4c3f4152 Linus Torvalds 2005-04-16 969 /* needed for tty driver, and maybe others */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 970 void *private_data; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 971 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 972 #ifdef CONFIG_EPOLL ^1da177e4c3f4152 Linus Torvalds 2005-04-16 973 /* Used by fs/eventpoll.c to link all the hooks to this file */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 974 struct list_head f_ep_links; 28d82dc1c4edbc35 Jason Baron 2012-01-12 975 struct list_head f_tfile_llink; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 976 #endif /* #ifdef CONFIG_EPOLL */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 977 struct address_space *f_mapping; 5660e13d2fd6af19 Jeff Layton 2017-07-06 978 errseq_t f_wb_err; 3859a271a003aba0 Kees Cook 2016-10-28 979 } __randomize_layout 3859a271a003aba0 Kees Cook 2016-10-28 980 __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 981 990d6c2d7aee921e Aneesh Kumar K.V 2011-01-29 982 struct file_handle { 990d6c2d7aee921e Aneesh Kumar K.V 2011-01-29 983 __u32 handle_bytes; 990d6c2d7aee921e Aneesh Kumar K.V 2011-01-29 984 int handle_type; 990d6c2d7aee921e Aneesh Kumar K.V 2011-01-29 985 /* file identifier */ 990d6c2d7aee921e Aneesh Kumar K.V 2011-01-29 986 unsigned char f_handle[0]; 990d6c2d7aee921e Aneesh Kumar K.V 2011-01-29 987 }; 990d6c2d7aee921e Aneesh Kumar K.V 2011-01-29 988 cb0942b81249798e Al Viro 2012-08-27 989 static inline struct file *get_file(struct file *f) cb0942b81249798e Al Viro 2012-08-27 990 { cb0942b81249798e Al Viro 2012-08-27 991 atomic_long_inc(&f->f_count); cb0942b81249798e Al Viro 2012-08-27 992 return f; cb0942b81249798e Al Viro 2012-08-27 993 } 091141a42e15fe47 Jens Axboe 2018-11-21 994 #define get_file_rcu_many(x, cnt) \ 091141a42e15fe47 Jens Axboe 2018-11-21 995 atomic_long_add_unless(&(x)->f_count, (cnt), 0) 091141a42e15fe47 Jens Axboe 2018-11-21 996 #define get_file_rcu(x) get_file_rcu_many((x), 1) 516e0cc5646f377a Al Viro 2008-07-26 997 #define file_count(x) atomic_long_read(&(x)->f_count) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 998 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 999 #define MAX_NON_LFS ((1UL<<31) - 1) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1000 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1001 /* Page cache limit. The filesystems should put that into their s_maxbytes ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1002 limits, otherwise bad things can happen in VM. */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1003 #if BITS_PER_LONG==32 0cc3b0ec23ce4c69 Linus Torvalds 2017-08-27 1004 #define MAX_LFS_FILESIZE ((loff_t)ULONG_MAX << PAGE_SHIFT) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1005 #elif BITS_PER_LONG==64 0cc3b0ec23ce4c69 Linus Torvalds 2017-08-27 1006 #define MAX_LFS_FILESIZE ((loff_t)LLONG_MAX) ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1007 #endif ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1008 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1009 #define FL_POSIX 1 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1010 #define FL_FLOCK 2 617588d5186c887e J. Bruce Fields 2011-07-01 1011 #define FL_DELEG 4 /* NFSv4 delegation */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1012 #define FL_ACCESS 8 /* not trying to lock, just looking */ f475ae957db66650 Trond Myklebust 2006-06-29 1013 #define FL_EXISTS 16 /* when unlocking, test for existence */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1014 #define FL_LEASE 32 /* lease held on this file */ 75e1fcc0b18df0a6 Miklos Szeredi 2006-06-23 1015 #define FL_CLOSE 64 /* unlock on close */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1016 #define FL_SLEEP 128 /* A blocking lock */ 778fc546f749c588 J. Bruce Fields 2011-07-26 1017 #define FL_DOWNGRADE_PENDING 256 /* Lease is being downgraded */ 778fc546f749c588 J. Bruce Fields 2011-07-26 1018 #define FL_UNLOCK_PENDING 512 /* Lease is being broken */ cff2fce58b2b0f59 Jeff Layton 2014-04-22 1019 #define FL_OFDLCK 1024 /* lock is "owned" by struct file */ 11afe9f76e121e96 Christoph Hellwig 2015-01-21 1020 #define FL_LAYOUT 2048 /* outstanding pNFS layout */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1021 50f2112cf7a3e62a Benjamin Coddington 2017-04-11 1022 #define FL_CLOSE_POSIX (FL_POSIX | FL_CLOSE) 50f2112cf7a3e62a Benjamin Coddington 2017-04-11 1023 bde74e4bc64415b1 Miklos Szeredi 2008-07-25 1024 /* bde74e4bc64415b1 Miklos Szeredi 2008-07-25 1025 * Special return value from posix_lock_file() and vfs_lock_file() for bde74e4bc64415b1 Miklos Szeredi 2008-07-25 1026 * asynchronous locking. bde74e4bc64415b1 Miklos Szeredi 2008-07-25 1027 */ bde74e4bc64415b1 Miklos Szeredi 2008-07-25 1028 #define FILE_LOCK_DEFERRED 1 bde74e4bc64415b1 Miklos Szeredi 2008-07-25 1029 7ca76311fe6c397e Jeff Layton 2014-09-01 1030 /* legacy typedef, should eventually be removed */ 17fa388ddceb89e9 Christoph Hellwig 2014-07-13 @1031 typedef void *fl_owner_t; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1032 a7231a97467d5a0c Jeff Layton 2015-01-16 1033 struct file_lock; a7231a97467d5a0c Jeff Layton 2015-01-16 1034 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1035 struct file_lock_operations { ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1036 void (*fl_copy_lock)(struct file_lock *, struct file_lock *); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1037 void (*fl_release_private)(struct file_lock *); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1038 }; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1039 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1040 struct lock_manager_operations { cae80b305e1c3944 Jeff Layton 2015-04-03 @1041 fl_owner_t (*lm_get_owner)(fl_owner_t); cae80b305e1c3944 Jeff Layton 2015-04-03 1042 void (*lm_put_owner)(fl_owner_t); 8fb47a4fbf858a16 J. Bruce Fields 2011-07-20 1043 void (*lm_notify)(struct file_lock *); /* unblock callback */ d0449b90f80f263e Joe Perches 2014-08-22 1044 int (*lm_grant)(struct file_lock *, int); 4d01b7f5e7576858 Jeff Layton 2014-09-01 1045 bool (*lm_break)(struct file_lock *); 7448cc37b1a6b620 Jeff Layton 2015-01-16 1046 int (*lm_change)(struct file_lock *, int, struct list_head *); 1c7dd2ff430fa14b Jeff Layton 2014-08-22 1047 void (*lm_setup)(struct file_lock *, void **); ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1048 }; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1049 af558e33bedab672 J. Bruce Fields 2007-09-06 1050 struct lock_manager { af558e33bedab672 J. Bruce Fields 2007-09-06 1051 struct list_head list; c87fb4a378f93f11 J. Bruce Fields 2015-08-06 1052 /* c87fb4a378f93f11 J. Bruce Fields 2015-08-06 1053 * NFSv4 and up also want opens blocked during the grace period; c87fb4a378f93f11 J. Bruce Fields 2015-08-06 1054 * NLM doesn't care: c87fb4a378f93f11 J. Bruce Fields 2015-08-06 1055 */ c87fb4a378f93f11 J. Bruce Fields 2015-08-06 1056 bool block_opens; af558e33bedab672 J. Bruce Fields 2007-09-06 1057 }; af558e33bedab672 J. Bruce Fields 2007-09-06 1058 5ccb0066f2d56154 Stanislav Kinsbursky 2012-07-25 1059 struct net; 5ccb0066f2d56154 Stanislav Kinsbursky 2012-07-25 1060 void locks_start_grace(struct net *, struct lock_manager *); af558e33bedab672 J. Bruce Fields 2007-09-06 1061 void locks_end_grace(struct lock_manager *); 003278e431bffa40 Corentin Labbe 2017-09-26 1062 bool locks_in_grace(struct net *); 003278e431bffa40 Corentin Labbe 2017-09-26 1063 bool opens_in_grace(struct net *); af558e33bedab672 J. Bruce Fields 2007-09-06 1064 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1065 /* that will die - we need it for nfs_lock_info */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1066 #include <linux/nfs_fs_i.h> ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1067 1cb360125966cb6c Jeff Layton 2013-06-21 1068 /* 1cb360125966cb6c Jeff Layton 2013-06-21 1069 * struct file_lock represents a generic "file lock". It's used to represent 1cb360125966cb6c Jeff Layton 2013-06-21 1070 * POSIX byte range locks, BSD (flock) locks, and leases. It's important to 1cb360125966cb6c Jeff Layton 2013-06-21 1071 * note that the same struct is used to represent both a request for a lock and 1cb360125966cb6c Jeff Layton 2013-06-21 1072 * the lock itself, but the same object is never used for both. 1cb360125966cb6c Jeff Layton 2013-06-21 1073 * 1cb360125966cb6c Jeff Layton 2013-06-21 1074 * FIXME: should we create a separate "struct lock_request" to help distinguish 1cb360125966cb6c Jeff Layton 2013-06-21 1075 * these two uses? 1cb360125966cb6c Jeff Layton 2013-06-21 1076 * 8116bf4cb62d337c Jeff Layton 2015-01-21 1077 * The varous i_flctx lists are ordered by: 1cb360125966cb6c Jeff Layton 2013-06-21 1078 * 8116bf4cb62d337c Jeff Layton 2015-01-21 1079 * 1) lock owner 8116bf4cb62d337c Jeff Layton 2015-01-21 1080 * 2) lock range start 8116bf4cb62d337c Jeff Layton 2015-01-21 1081 * 3) lock range end 1cb360125966cb6c Jeff Layton 2013-06-21 1082 * 1cb360125966cb6c Jeff Layton 2013-06-21 1083 * Obviously, the last two criteria only matter for POSIX locks. 1cb360125966cb6c Jeff Layton 2013-06-21 1084 */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 @1085 struct file_lock { ada5c1da8660ecae NeilBrown 2018-11-30 1086 struct file_lock *fl_blocker; /* The lock, that is blocking us */ 6dee60f69d48fcef Jeff Layton 2015-01-16 1087 struct list_head fl_list; /* link into file_lock_context */ 139ca04ee572fea6 Jeff Layton 2013-06-21 1088 struct hlist_node fl_link; /* node in global lists */ ada5c1da8660ecae NeilBrown 2018-11-30 1089 struct list_head fl_blocked_requests; /* list of requests with ada5c1da8660ecae NeilBrown 2018-11-30 1090 * ->fl_blocker pointing here ada5c1da8660ecae NeilBrown 2018-11-30 1091 */ ada5c1da8660ecae NeilBrown 2018-11-30 1092 struct list_head fl_blocked_member; /* node in ada5c1da8660ecae NeilBrown 2018-11-30 1093 * ->fl_blocker->fl_blocked_requests ada5c1da8660ecae NeilBrown 2018-11-30 1094 */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 @1095 fl_owner_t fl_owner; 710b7216964d6455 J. Bruce Fields 2011-07-26 1096 unsigned int fl_flags; afc1246f917c664b Richard Kennedy 2008-07-11 1097 unsigned char fl_type; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1098 unsigned int fl_pid; 7012b02a2b2c42bb Jeff Layton 2013-06-21 1099 int fl_link_cpu; /* what cpu's list is this on? */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1100 wait_queue_head_t fl_wait; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1101 struct file *fl_file; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1102 loff_t fl_start; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1103 loff_t fl_end; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1104 ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1105 struct fasync_struct * fl_fasync; /* for lease break notifications */ 778fc546f749c588 J. Bruce Fields 2011-07-26 1106 /* for lease breaks: */ 778fc546f749c588 J. Bruce Fields 2011-07-26 1107 unsigned long fl_break_time; 778fc546f749c588 J. Bruce Fields 2011-07-26 1108 unsigned long fl_downgrade_time; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1109 6aed62853c72e29f Alexey Dobriyan 2009-09-21 1110 const struct file_lock_operations *fl_ops; /* Callbacks for filesystems */ 7b021967c5e14639 Alexey Dobriyan 2009-09-21 1111 const struct lock_manager_operations *fl_lmops; /* Callbacks for lockmanagers */ ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1112 union { ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1113 struct nfs_lock_info nfs_fl; 8d0a8a9d0ec79008 Trond Myklebust 2005-06-22 1114 struct nfs4_lock_info nfs4_fl; e8d6c554126b8302 David Howells 2007-07-15 1115 struct { e8d6c554126b8302 David Howells 2007-07-15 1116 struct list_head link; /* link in AFS vnode's pending_locks list */ e8d6c554126b8302 David Howells 2007-07-15 1117 int state; /* state of grant or error if -ve */ d46966013bb4f1fb David Howells 2019-04-25 1118 unsigned int debug_id; e8d6c554126b8302 David Howells 2007-07-15 1119 } afs; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1120 } fl_u; 3859a271a003aba0 Kees Cook 2016-10-28 1121 } __randomize_layout; ^1da177e4c3f4152 Linus Torvalds 2005-04-16 1122 :::::: The code at line 908 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org