Made a helper to fetch writeback context to which an inode is affined. Use it to perform writeback related operations.
Signed-off-by: Kundan Kumar <[email protected]> Signed-off-by: Anuj Gupta <[email protected]> --- fs/fuse/file.c | 7 +++---- include/linux/backing-dev.h | 17 +++++++++++++++++ 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 8c823a661139..9c7f0e4b741f 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1823,7 +1823,6 @@ static void fuse_writepage_finish(struct fuse_writepage_args *wpa) struct fuse_args_pages *ap = &wpa->ia.ap; struct inode *inode = wpa->inode; struct fuse_inode *fi = get_fuse_inode(inode); - struct backing_dev_info *bdi = inode_to_bdi(inode); int i; for (i = 0; i < ap->num_folios; i++) { @@ -1833,8 +1832,8 @@ static void fuse_writepage_finish(struct fuse_writepage_args *wpa) * contention and noticeably improves performance. */ iomap_finish_folio_write(inode, ap->folios[i], 1); - dec_wb_stat(&bdi->wb_ctx[0]->wb, WB_WRITEBACK); - wb_writeout_inc(&bdi->wb_ctx[0]->wb); + bdi_wb_stat_mod(inode, -1); + bdi_wb_writeout_inc(inode); } wake_up(&fi->page_waitq); @@ -2017,7 +2016,7 @@ static void fuse_writepage_args_page_fill(struct fuse_writepage_args *wpa, struc ap->descs[folio_index].offset = offset; ap->descs[folio_index].length = len; - inc_wb_stat(&inode_to_bdi(inode)->wb_ctx[0]->wb, WB_WRITEBACK); + bdi_wb_stat_mod(inode, 1); } static struct fuse_writepage_args *fuse_writepage_args_setup(struct folio *folio, diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index bb35f8fa4973..fb042e593c16 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -46,6 +46,9 @@ extern struct list_head bdi_list; extern struct workqueue_struct *bdi_wq; +static inline struct bdi_writeback_ctx * +fetch_bdi_writeback_ctx(struct inode *inode); + static inline bool wb_has_dirty_io(struct bdi_writeback *wb) { return test_bit(WB_has_dirty_io, &wb->state); @@ -103,6 +106,20 @@ static inline s64 wb_stat_sum(struct bdi_writeback *wb, enum wb_stat_item item) extern void wb_writeout_inc(struct bdi_writeback *wb); +static inline void bdi_wb_stat_mod(struct inode *inode, s64 amount) +{ + struct bdi_writeback_ctx *bdi_wb_ctx = fetch_bdi_writeback_ctx(inode); + + wb_stat_mod(&bdi_wb_ctx->wb, WB_WRITEBACK, amount); +} + +static inline void bdi_wb_writeout_inc(struct inode *inode) +{ + struct bdi_writeback_ctx *bdi_wb_ctx = fetch_bdi_writeback_ctx(inode); + + wb_writeout_inc(&bdi_wb_ctx->wb); +} + /* * maximal error of a stat counter. */ -- 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
