Add helper APIs needed by filesystems to avoid poking into writeback internals.
Reviewed-by: Jan Kara <[email protected]> Reviewed-by: Jeff Layton <[email protected]> Reviewed-by: Andreas Gruenbacher <[email protected]> Suggested-by: Christoph Hellwig <[email protected]> Signed-off-by: Kundan Kumar <[email protected]> Signed-off-by: Anuj Gupta <[email protected]> --- include/linux/backing-dev.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 0c8342747cab..5b7d12b40d5e 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -136,6 +136,19 @@ static inline bool mapping_can_writeback(struct address_space *mapping) return inode_to_bdi(mapping->host)->capabilities & BDI_CAP_WRITEBACK; } +/* Must not be used by file systems that support cgroup writeback */ +static inline int bdi_wb_dirty_exceeded(struct backing_dev_info *bdi) +{ + return bdi->wb.dirty_exceeded; +} + +/* Must not be used by file systems that support cgroup writeback */ +static inline void bdi_wb_stat_mod(struct inode *inode, enum wb_stat_item item, + s64 amount) +{ + wb_stat_mod(&inode_to_bdi(inode)->wb, item, amount); +} + #ifdef CONFIG_CGROUP_WRITEBACK struct bdi_writeback *wb_get_lookup(struct backing_dev_info *bdi, -- 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
