| /fs/proc/ |
| D | proc_sysctl.c | 40 static bool is_empty_dir(struct ctl_table_header *head) in is_empty_dir() argument
42 return head->ctl_table[0].child == sysctl_mount_point; in is_empty_dir()
88 static int insert_links(struct ctl_table_header *head);
112 struct ctl_table_header *head; in find_entry() local
123 head = ctl_node->header; in find_entry()
124 entry = &head->ctl_table[ctl_node - head->node]; in find_entry()
133 *phead = head; in find_entry()
140 static int insert_entry(struct ctl_table_header *head, struct ctl_table *entry) in insert_entry() argument
142 struct rb_node *node = &head->node[entry - head->ctl_table].node; in insert_entry()
143 struct rb_node **p = &head->parent->root.rb_node; in insert_entry()
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| /fs/gfs2/ |
| D | recovery.c | 57 struct list_head *head = &jd->jd_revoke_list; in gfs2_revoke_add() local
61 list_for_each_entry(rr, head, rr_list) { in gfs2_revoke_add()
79 list_add(&rr->rr_list, head); in gfs2_revoke_add()
110 struct list_head *head = &jd->jd_revoke_list; in gfs2_revoke_clean() local
113 while (!list_empty(head)) { in gfs2_revoke_clean()
114 rr = list_first_entry(head, struct gfs2_revoke_replay, rr_list); in gfs2_revoke_clean()
121 unsigned int blkno, struct gfs2_log_header_host *head) in __get_log_header() argument
142 head->lh_sequence = be64_to_cpu(lh->lh_sequence); in __get_log_header()
143 head->lh_flags = be32_to_cpu(lh->lh_flags); in __get_log_header()
144 head->lh_tail = be32_to_cpu(lh->lh_tail); in __get_log_header()
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| D | lops.c | 426 struct gfs2_log_header_host *head, in gfs2_jhead_pg_srch() argument
437 if (lh.lh_sequence >= head->lh_sequence) in gfs2_jhead_pg_srch()
438 *head = lh; in gfs2_jhead_pg_srch()
470 struct gfs2_log_header_host *head, in gfs2_jhead_process_page() argument
482 *done = gfs2_jhead_pg_srch(jd, head, page); in gfs2_jhead_process_page()
513 int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head, in gfs2_find_jhead() argument
530 memset(head, 0, sizeof(*head)); in gfs2_find_jhead()
586 gfs2_jhead_process_page(jd, blocks_read >> shift, head, &done); in gfs2_find_jhead()
597 gfs2_jhead_process_page(jd, blocks_read >> shift, head, &done); in gfs2_find_jhead()
740 struct list_head *head; in buf_lo_after_commit() local
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| /fs/ |
| D | mbcache.c | 79 struct hlist_bl_head *head; in mb_cache_entry_create() local
106 head = mb_cache_entry_head(cache, key); in mb_cache_entry_create()
107 hlist_bl_lock(head); in mb_cache_entry_create()
108 hlist_bl_for_each_entry(dup, dup_node, head, e_hash_list) { in mb_cache_entry_create()
110 hlist_bl_unlock(head); in mb_cache_entry_create()
115 hlist_bl_add_head(&entry->e_hash_list, head); in mb_cache_entry_create()
116 hlist_bl_unlock(head); in mb_cache_entry_create()
129 struct hlist_bl_head *head; in __mb_cache_entry_free() local
131 head = mb_cache_entry_head(cache, entry->e_key); in __mb_cache_entry_free()
132 hlist_bl_lock(head); in __mb_cache_entry_free()
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| D | buffer.c | 89 struct buffer_head *head, *bh; in buffer_check_dirty_writeback() local
101 head = page_buffers(page); in buffer_check_dirty_writeback()
102 bh = head; in buffer_check_dirty_writeback()
111 } while (bh != head); in buffer_check_dirty_writeback()
196 struct buffer_head *head; in __find_get_block_slow() local
209 head = page_buffers(page); in __find_get_block_slow()
210 bh = head; in __find_get_block_slow()
220 } while (bh != head); in __find_get_block_slow()
626 struct buffer_head *head = page_buffers(page); in __set_page_dirty_buffers() local
627 struct buffer_head *bh = head; in __set_page_dirty_buffers()
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| D | pipe.c | 222 unsigned int head = READ_ONCE(pipe->head); in pipe_readable() local
226 return !pipe_empty(head, tail) || !writers; in pipe_readable()
253 was_full = pipe_full(pipe->head, pipe->tail, pipe->max_usage); in pipe_read()
256 unsigned int head = smp_load_acquire(&pipe->head); in pipe_read() local
284 if (!pipe_empty(head, tail)) { in pipe_read()
336 if (!pipe_empty(head, tail)) /* More to do? */ in pipe_read()
381 was_full = pipe_full(pipe->head, pipe->tail, pipe->max_usage); in pipe_read()
384 if (pipe_empty(pipe->head, pipe->tail)) in pipe_read()
406 unsigned int head = READ_ONCE(pipe->head); in pipe_writable() local
410 return !pipe_full(head, tail, max_usage) || in pipe_writable()
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| D | splice.c | 187 unsigned int head = pipe->head; in splice_to_pipe() local
200 while (!pipe_full(head, tail, pipe->max_usage)) { in splice_to_pipe()
201 struct pipe_buffer *buf = &pipe->bufs[head & mask]; in splice_to_pipe()
210 head++; in splice_to_pipe()
211 pipe->head = head; in splice_to_pipe()
232 unsigned int head = pipe->head; in add_to_pipe() local
240 } else if (pipe_full(head, tail, pipe->max_usage)) { in add_to_pipe()
243 pipe->bufs[head & mask] = *buf; in add_to_pipe()
244 pipe->head = head + 1; in add_to_pipe()
308 i_head = to.head; in generic_file_splice_read()
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| D | seq_file.c | 919 struct list_head *seq_list_start(struct list_head *head, loff_t pos) in seq_list_start() argument
923 list_for_each(lh, head) in seq_list_start()
931 struct list_head *seq_list_start_head(struct list_head *head, loff_t pos) in seq_list_start_head() argument
934 return head; in seq_list_start_head()
936 return seq_list_start(head, pos - 1); in seq_list_start_head()
940 struct list_head *seq_list_next(void *v, struct list_head *head, loff_t *ppos) in seq_list_next() argument
946 return lh == head ? NULL : lh; in seq_list_next()
950 struct list_head *seq_list_start_rcu(struct list_head *head, loff_t pos) in seq_list_start_rcu() argument
954 list_for_each_rcu(lh, head) in seq_list_start_rcu()
962 struct list_head *seq_list_start_head_rcu(struct list_head *head, loff_t pos) in seq_list_start_head_rcu() argument
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| D | aio.c | 59 unsigned head; /* Written to by userland or under ring_lock member
182 struct wait_queue_head *head; member
550 ring->head = ring->tail = 0; in aio_setup_ring()
960 static void refill_reqs_available(struct kioctx *ctx, unsigned head, in refill_reqs_available() argument
966 head %= ctx->nr_events; in refill_reqs_available()
967 if (head <= tail) in refill_reqs_available()
968 events_in_ring = tail - head; in refill_reqs_available()
970 events_in_ring = ctx->nr_events - (head - tail); in refill_reqs_available()
994 unsigned head; in user_refill_reqs_available() local
1006 head = ring->head; in user_refill_reqs_available()
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| /fs/hfsplus/ |
| D | btree.c | 136 struct hfs_btree_header_rec *head; in hfs_btree_open() local
166 head = (struct hfs_btree_header_rec *)(kmap(page) + in hfs_btree_open()
168 tree->root = be32_to_cpu(head->root); in hfs_btree_open()
169 tree->leaf_count = be32_to_cpu(head->leaf_count); in hfs_btree_open()
170 tree->leaf_head = be32_to_cpu(head->leaf_head); in hfs_btree_open()
171 tree->leaf_tail = be32_to_cpu(head->leaf_tail); in hfs_btree_open()
172 tree->node_count = be32_to_cpu(head->node_count); in hfs_btree_open()
173 tree->free_nodes = be32_to_cpu(head->free_nodes); in hfs_btree_open()
174 tree->attributes = be32_to_cpu(head->attributes); in hfs_btree_open()
175 tree->node_size = be16_to_cpu(head->node_size); in hfs_btree_open()
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| /fs/9p/ |
| D | vfs_dir.c | 40 int head; member
108 if (rdir->tail == rdir->head) { in v9fs_dir_readdir()
119 rdir->head = 0; in v9fs_dir_readdir()
122 while (rdir->head < rdir->tail) { in v9fs_dir_readdir()
123 err = p9stat_read(fid->clnt, rdir->buf + rdir->head, in v9fs_dir_readdir()
124 rdir->tail - rdir->head, &st); in v9fs_dir_readdir()
136 rdir->head += err; in v9fs_dir_readdir()
166 if (rdir->tail == rdir->head) { in v9fs_dir_readdir_dotl()
172 rdir->head = 0; in v9fs_dir_readdir_dotl()
176 while (rdir->head < rdir->tail) { in v9fs_dir_readdir_dotl()
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| /fs/nilfs2/ |
| D | segbuf.h | 85 #define NILFS_LIST_SEGBUF(head) \ argument
86 list_entry((head), struct nilfs_segment_buffer, sb_list)
89 #define NILFS_LAST_SEGBUF(head) NILFS_LIST_SEGBUF((head)->prev) argument
90 #define NILFS_FIRST_SEGBUF(head) NILFS_LIST_SEGBUF((head)->next) argument
91 #define NILFS_SEGBUF_IS_LAST(segbuf, head) ((segbuf)->sb_list.next == (head)) argument
97 #define NILFS_SEGBUF_FIRST_BH(head) \ argument
98 (list_entry((head)->next, struct buffer_head, b_assoc_buffers))
102 #define NILFS_SEGBUF_BH_IS_LAST(bh, head) ((bh)->b_assoc_buffers.next == head) argument
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| D | page.c | 142 struct buffer_head *bh, *head; in nilfs_page_buffers_clean() local
144 bh = head = page_buffers(page); in nilfs_page_buffers_clean()
149 } while (bh != head); in nilfs_page_buffers_clean()
172 struct buffer_head *bh, *head; in nilfs_page_bug() local
175 bh = head = page_buffers(page); in nilfs_page_bug()
182 } while (bh != head); in nilfs_page_bug()
408 struct buffer_head *bh, *head; in nilfs_clear_dirty_page() local
414 bh = head = page_buffers(page); in nilfs_clear_dirty_page()
424 } while (bh = bh->b_this_page, bh != head); in nilfs_clear_dirty_page()
434 struct buffer_head *bh, *head; in nilfs_page_count_clean_buffers() local
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| /fs/hfs/ |
| D | btree.c | 22 struct hfs_btree_header_rec *head; in hfs_btree_open() local
83 head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); in hfs_btree_open()
84 tree->root = be32_to_cpu(head->root); in hfs_btree_open()
85 tree->leaf_count = be32_to_cpu(head->leaf_count); in hfs_btree_open()
86 tree->leaf_head = be32_to_cpu(head->leaf_head); in hfs_btree_open()
87 tree->leaf_tail = be32_to_cpu(head->leaf_tail); in hfs_btree_open()
88 tree->node_count = be32_to_cpu(head->node_count); in hfs_btree_open()
89 tree->free_nodes = be32_to_cpu(head->free_nodes); in hfs_btree_open()
90 tree->attributes = be32_to_cpu(head->attributes); in hfs_btree_open()
91 tree->node_size = be16_to_cpu(head->node_size); in hfs_btree_open()
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| /fs/nfs/ |
| D | write.c | 246 struct nfs_page *req, *head; in nfs_find_and_lock_page_request() local
253 head = nfs_page_group_lock_head(req); in nfs_find_and_lock_page_request()
254 if (head != req) in nfs_find_and_lock_page_request()
256 if (IS_ERR(head)) in nfs_find_and_lock_page_request()
257 return head; in nfs_find_and_lock_page_request()
258 ret = nfs_cancel_remove_inode(head, inode); in nfs_find_and_lock_page_request()
260 nfs_unlock_and_release_request(head); in nfs_find_and_lock_page_request()
264 if (head == nfs_page_private_request(page)) in nfs_find_and_lock_page_request()
268 nfs_unlock_and_release_request(head); in nfs_find_and_lock_page_request()
270 return head; in nfs_find_and_lock_page_request()
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| D | pagelist.c | 158 struct nfs_page *head = req->wb_head; in nfs_page_group_lock_head() local
160 while (!nfs_lock_request(head)) { in nfs_page_group_lock_head()
161 int ret = nfs_wait_on_request(head); in nfs_page_group_lock_head()
165 if (head != req) in nfs_page_group_lock_head()
166 kref_get(&head->wb_kref); in nfs_page_group_lock_head()
167 return head; in nfs_page_group_lock_head()
179 nfs_unroll_locks(struct nfs_page *head, struct nfs_page *req) in nfs_unroll_locks() argument
184 for (tmp = head->wb_this_page ; tmp != req; tmp = tmp->wb_this_page) { in nfs_unroll_locks()
201 nfs_page_group_lock_subreq(struct nfs_page *head, struct nfs_page *subreq) in nfs_page_group_lock_subreq() argument
208 nfs_page_group_unlock(head); in nfs_page_group_lock_subreq()
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| /fs/btrfs/ |
| D | delayed-ref.c | 398 struct btrfs_delayed_ref_head *head) in btrfs_delayed_ref_lock() argument
401 if (mutex_trylock(&head->mutex)) in btrfs_delayed_ref_lock()
404 refcount_inc(&head->refs); in btrfs_delayed_ref_lock()
407 mutex_lock(&head->mutex); in btrfs_delayed_ref_lock()
409 if (RB_EMPTY_NODE(&head->href_node)) { in btrfs_delayed_ref_lock()
410 mutex_unlock(&head->mutex); in btrfs_delayed_ref_lock()
411 btrfs_put_delayed_ref_head(head); in btrfs_delayed_ref_lock()
414 btrfs_put_delayed_ref_head(head); in btrfs_delayed_ref_lock()
420 struct btrfs_delayed_ref_head *head, in drop_delayed_ref() argument
423 lockdep_assert_held(&head->lock); in drop_delayed_ref()
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| D | delayed-ref.h | 340 static inline void btrfs_put_delayed_ref_head(struct btrfs_delayed_ref_head *head) in btrfs_put_delayed_ref_head() argument
342 if (refcount_dec_and_test(&head->refs)) in btrfs_put_delayed_ref_head()
343 kmem_cache_free(btrfs_delayed_ref_head_cachep, head); in btrfs_put_delayed_ref_head()
357 struct btrfs_delayed_ref_head *head);
363 struct btrfs_delayed_ref_head *head);
364 static inline void btrfs_delayed_ref_unlock(struct btrfs_delayed_ref_head *head) in btrfs_delayed_ref_unlock() argument
366 mutex_unlock(&head->mutex); in btrfs_delayed_ref_unlock()
369 struct btrfs_delayed_ref_head *head);
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| D | extent-tree.c | 119 struct btrfs_delayed_ref_head *head; in btrfs_lookup_extent_info() local
203 head = btrfs_find_delayed_ref_head(delayed_refs, bytenr); in btrfs_lookup_extent_info()
204 if (head) { in btrfs_lookup_extent_info()
205 if (!mutex_trylock(&head->mutex)) { in btrfs_lookup_extent_info()
206 refcount_inc(&head->refs); in btrfs_lookup_extent_info()
215 mutex_lock(&head->mutex); in btrfs_lookup_extent_info()
216 mutex_unlock(&head->mutex); in btrfs_lookup_extent_info()
217 btrfs_put_delayed_ref_head(head); in btrfs_lookup_extent_info()
220 spin_lock(&head->lock); in btrfs_lookup_extent_info()
221 if (head->extent_op && head->extent_op->update_flags) in btrfs_lookup_extent_info()
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| /fs/befs/ |
| D | btree.c | 82 befs_host_btree_nodehead head; /* head of node converted to cpu byteorder */ member
214 node->head.left = fs64_to_cpu(sb, node->od_node->left); in befs_bt_read_node()
215 node->head.right = fs64_to_cpu(sb, node->od_node->right); in befs_bt_read_node()
216 node->head.overflow = fs64_to_cpu(sb, node->od_node->overflow); in befs_bt_read_node()
217 node->head.all_key_count = in befs_bt_read_node()
219 node->head.all_key_length = in befs_bt_read_node()
283 node_off = this_node->head.overflow; in befs_btree_find()
345 last = node->head.all_key_count - 1; in befs_find_key()
459 while (key_sum + this_node->head.all_key_count <= key_no) { in befs_btree_read()
462 if (this_node->head.right == BEFS_BT_INVAL) { in befs_btree_read()
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| /fs/erofs/ |
| D | namei.c | 50 int head, back; in find_target_dirent() local
55 head = 1; in find_target_dirent()
59 while (head <= back) { in find_target_dirent()
60 const int mid = head + (back - head) / 2; in find_target_dirent()
78 head = mid + 1; in find_target_dirent()
94 int head, back; in find_target_block_classic() local
99 head = 0; in find_target_block_classic()
102 while (head <= back) { in find_target_block_classic()
103 const int mid = head + (back - head) / 2; in find_target_block_classic()
144 head = mid + 1; in find_target_block_classic()
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| /fs/xfs/ |
| D | xfs_fsmap.c | 158 struct xfs_fsmap_head *head; member
236 rec = &info->fsmap_recs[info->head->fmh_entries++]; in xfs_getfsmap_format()
271 if (info->head->fmh_count == 0) { in xfs_getfsmap_helper()
272 if (info->head->fmh_entries == UINT_MAX) in xfs_getfsmap_helper()
276 info->head->fmh_entries++; in xfs_getfsmap_helper()
281 info->head->fmh_entries++; in xfs_getfsmap_helper()
295 if (info->head->fmh_entries >= info->head->fmh_count) in xfs_getfsmap_helper()
311 if (info->head->fmh_entries >= info->head->fmh_count) in xfs_getfsmap_helper()
850 struct xfs_fsmap_head *head, in xfs_getfsmap() argument
861 if (head->fmh_iflags & ~FMH_IF_VALID) in xfs_getfsmap()
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| D | xfs_log.c | 36 atomic64_t *head);
96 atomic64_t *head, in xlog_grant_sub_space() argument
99 int64_t head_val = atomic64_read(head); in xlog_grant_sub_space()
115 head_val = atomic64_cmpxchg(head, old, new); in xlog_grant_sub_space()
122 atomic64_t *head, in xlog_grant_add_space() argument
125 int64_t head_val = atomic64_read(head); in xlog_grant_add_space()
144 head_val = atomic64_cmpxchg(head, old, new); in xlog_grant_add_space()
150 struct xlog_grant_head *head) in xlog_grant_head_init() argument
152 xlog_assign_grant_head(&head->grant, 1, 0); in xlog_grant_head_init()
153 INIT_LIST_HEAD(&head->waiters); in xlog_grant_head_init()
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| /fs/ext4/ |
| D | page-io.c | 108 struct buffer_head *bh, *head; in ext4_finish_bio() local
123 bh = head = page_buffers(page); in ext4_finish_bio()
128 spin_lock_irqsave(&head->b_uptodate_lock, flags); in ext4_finish_bio()
141 } while ((bh = bh->b_this_page) != head); in ext4_finish_bio()
142 spin_unlock_irqrestore(&head->b_uptodate_lock, flags); in ext4_finish_bio()
198 static void dump_completed_IO(struct inode *inode, struct list_head *head) in dump_completed_IO() argument
204 if (list_empty(head)) in dump_completed_IO()
208 list_for_each_entry(io_end, head, list) { in dump_completed_IO()
241 struct list_head *head) in ext4_do_flush_completed_IO() argument
250 dump_completed_IO(inode, head); in ext4_do_flush_completed_IO()
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| D | fsmap.c | 629 int ext4_getfsmap(struct super_block *sb, struct ext4_fsmap_head *head, in ext4_getfsmap() argument
638 if (head->fmh_iflags & ~FMH_IF_VALID) in ext4_getfsmap()
640 if (!ext4_getfsmap_is_valid_device(sb, &head->fmh_keys[0]) || in ext4_getfsmap()
641 !ext4_getfsmap_is_valid_device(sb, &head->fmh_keys[1])) in ext4_getfsmap()
644 head->fmh_entries = 0; in ext4_getfsmap()
670 dkeys[0] = head->fmh_keys[0]; in ext4_getfsmap()
676 if (!ext4_getfsmap_check_keys(dkeys, &head->fmh_keys[1])) in ext4_getfsmap()
679 info.gfi_next_fsblk = head->fmh_keys[0].fmr_physical + in ext4_getfsmap()
680 head->fmh_keys[0].fmr_length; in ext4_getfsmap()
683 info.gfi_head = head; in ext4_getfsmap()
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