f2fs: support file pinning for zoned devices

[linux-2.6-microblaze.git] / fs / f2fs / f2fs.h

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index cef1577..b2c44d2 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3699,7 +3699,8 @@ void f2fs_get_new_segment(struct f2fs_sb_info *sbi,
                        unsigned int *newseg, bool new_sec, int dir);
 void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
                                        unsigned int start, unsigned int end);
-void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
+int f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
+int f2fs_allocate_pinning_section(struct f2fs_sb_info *sbi);
 void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
 int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
 bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
@@ -3877,6 +3878,9 @@ void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
 block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
 int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control);
 void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
+int f2fs_gc_range(struct f2fs_sb_info *sbi,
+               unsigned int start_seg, unsigned int end_seg,
+               bool dry_run, unsigned int dry_run_sections);
 int f2fs_resize_fs(struct file *filp, __u64 block_count);
 int __init f2fs_create_garbage_collection_cache(void);
 void f2fs_destroy_garbage_collection_cache(void);
@@ -4531,6 +4535,17 @@ static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi)
        return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
 }
 
+static inline bool f2fs_valid_pinned_area(struct f2fs_sb_info *sbi,
+                                         block_t blkaddr)
+{
+       if (f2fs_sb_has_blkzoned(sbi)) {
+               int devi = f2fs_target_device_index(sbi, blkaddr);
+
+               return !bdev_is_zoned(FDEV(devi).bdev);
+       }
+       return true;
+}
+
 static inline bool f2fs_low_mem_mode(struct f2fs_sb_info *sbi)
 {
        return F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW;