X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Ffile_table.c;h=768b581675433ed0e02eb0a9bcf35288de7adca5;hb=d9975d6ba0668aa21d9f0c565d7df56c805c8d5c;hp=86ec8ae985b413bd3d8b135ff8dfd9fe305ef5bf;hpb=4e0c1159d83a658d1ffba5bc3442f4ec4cadb436;p=linux-2.6 diff --git a/fs/file_table.c b/fs/file_table.c index 86ec8ae985..768b581675 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -35,7 +36,7 @@ static DEFINE_SPINLOCK(filp_count_lock); * context and must be fully threaded - use a local spinlock * to protect files_stat.nr_files */ -void filp_ctor(void * objp, struct kmem_cache_s *cachep, unsigned long cflags) +void filp_ctor(void *objp, struct kmem_cache *cachep, unsigned long cflags) { if ((cflags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == SLAB_CTOR_CONSTRUCTOR) { @@ -46,7 +47,7 @@ void filp_ctor(void * objp, struct kmem_cache_s *cachep, unsigned long cflags) } } -void filp_dtor(void * objp, struct kmem_cache_s *cachep, unsigned long dflags) +void filp_dtor(void *objp, struct kmem_cache *cachep, unsigned long dflags) { unsigned long flags; spin_lock_irqsave(&filp_count_lock, flags); @@ -56,13 +57,13 @@ void filp_dtor(void * objp, struct kmem_cache_s *cachep, unsigned long dflags) static inline void file_free_rcu(struct rcu_head *head) { - struct file *f = container_of(head, struct file, f_rcuhead); + struct file *f = container_of(head, struct file, f_u.fu_rcuhead); kmem_cache_free(filp_cachep, f); } static inline void file_free(struct file *f) { - call_rcu(&f->f_rcuhead, file_free_rcu); + call_rcu(&f->f_u.fu_rcuhead, file_free_rcu); } /* Find an unused file structure and return a pointer to it. @@ -95,7 +96,7 @@ struct file *get_empty_filp(void) f->f_gid = current->fsgid; rwlock_init(&f->f_owner.lock); /* f->f_version: 0 */ - INIT_LIST_HEAD(&f->f_list); + INIT_LIST_HEAD(&f->f_u.fu_list); return f; over: @@ -117,7 +118,7 @@ EXPORT_SYMBOL(get_empty_filp); void fastcall fput(struct file *file) { - if (rcuref_dec_and_test(&file->f_count)) + if (atomic_dec_and_test(&file->f_count)) __fput(file); } @@ -166,7 +167,7 @@ struct file fastcall *fget(unsigned int fd) rcu_read_lock(); file = fcheck_files(files, fd); if (file) { - if (!rcuref_inc_lf(&file->f_count)) { + if (!atomic_inc_not_zero(&file->f_count)) { /* File object ref couldn't be taken */ rcu_read_unlock(); return NULL; @@ -198,7 +199,7 @@ struct file fastcall *fget_light(unsigned int fd, int *fput_needed) rcu_read_lock(); file = fcheck_files(files, fd); if (file) { - if (rcuref_inc_lf(&file->f_count)) + if (atomic_inc_not_zero(&file->f_count)) *fput_needed = 1; else /* Didn't get the reference, someone's freed */ @@ -213,7 +214,7 @@ struct file fastcall *fget_light(unsigned int fd, int *fput_needed) void put_filp(struct file *file) { - if (rcuref_dec_and_test(&file->f_count)) { + if (atomic_dec_and_test(&file->f_count)) { security_file_free(file); file_kill(file); file_free(file); @@ -225,15 +226,15 @@ void file_move(struct file *file, struct list_head *list) if (!list) return; file_list_lock(); - list_move(&file->f_list, list); + list_move(&file->f_u.fu_list, list); file_list_unlock(); } void file_kill(struct file *file) { - if (!list_empty(&file->f_list)) { + if (!list_empty(&file->f_u.fu_list)) { file_list_lock(); - list_del_init(&file->f_list); + list_del_init(&file->f_u.fu_list); file_list_unlock(); } } @@ -245,7 +246,7 @@ int fs_may_remount_ro(struct super_block *sb) /* Check that no files are currently opened for writing. */ file_list_lock(); list_for_each(p, &sb->s_files) { - struct file *file = list_entry(p, struct file, f_list); + struct file *file = list_entry(p, struct file, f_u.fu_list); struct inode *inode = file->f_dentry->d_inode; /* File with pending delete? */