Jens Axboe 34ecde3c56 iomap: don't lose folio dropbehind state for overwrites ... DONTCACHE I/O must have the completion punted to a workqueue, just like what is done for unwritten extents, as the completion needs task context to perform the invalidation of the folio(s). However, if writeback is started off filemap_fdatawrite_range() off generic_sync() and it's an overwrite, then the DONTCACHE marking gets lost as iomap_add_to_ioend() don't look at the folio being added and no further state is passed down to help it know that this is a dropbehind/DONTCACHE write. Check if the folio being added is marked as dropbehind, and set IOMAP_IOEND_DONTCACHE if that is the case. Then XFS can factor this into the decision making of completion context in xfs_submit_ioend(). Additionally include this ioend flag in the NOMERGE flags, to avoid mixing it with unrelated IO. Since this is the 3rd flag that will cause XFS to punt the completion to a workqueue, add a helper so that each one of them can get appropriately commented. This fixes extra page cache being instantiated when the write performed is an overwrite, rather than newly instantiated blocks. Fixes: b2cd5ae693 ("iomap: make buffered writes work with RWF_DONTCACHE") Signed-off-by: Jens Axboe <axboe@kernel.dk> Link: https://lore.kernel.org/5153f6e8-274d-4546-bf55-30a5018e0d03@kernel.dk Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Christian Brauner <brauner@kernel.org>		2025-05-28 09:26:07 +02:00
..
libxfs	xfs: allow sysadmins to specify a maximum atomic write limit at mount time	2025-05-07 14:25:33 -07:00
scrub	xfs: New code for 6.16	2025-05-26 12:56:01 -07:00
Kconfig	lib/crc: remove CONFIG_LIBCRC32C	2025-04-04 11:31:42 -07:00
Makefile	xfs: export zone stats in /proc/*/mountstats	2025-03-03 08:17:10 -07:00
xfs_acl.c	xfs: make attr removal an explicit operation	2024-04-23 07:46:51 -07:00
xfs_acl.h
xfs_aops.c	iomap: don't lose folio dropbehind state for overwrites	2025-05-28 09:26:07 +02:00
xfs_aops.h	xfs: implement direct writes to zoned RT devices	2025-03-03 08:17:07 -07:00
xfs_attr_inactive.c	xfs: remove bp->b_error check in xfs_attr3_root_inactive	2025-01-13 14:56:15 +01:00
xfs_attr_item.c	xfs: fix xfs_init_attr_trans not handling explicit operation codes	2024-05-27 15:55:52 +05:30
xfs_attr_item.h	xfs: create attr log item opcodes and formats for parent pointers	2024-04-23 07:46:57 -07:00
xfs_attr_list.c	xfs: eliminate lockdep false positives in xfs_attr_shortform_list	2024-11-22 09:52:03 +01:00
xfs_bio_io.c	xfs: simplify xfs_rw_bdev	2025-05-07 07:31:07 -06:00
xfs_bmap_item.c	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_bmap_item.h	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_bmap_util.c	xfs: implement buffered writes to zoned RT devices	2025-03-03 08:17:07 -07:00
xfs_bmap_util.h	xfs: implement buffered writes to zoned RT devices	2025-03-03 08:17:07 -07:00
xfs_buf_item_recover.c	xfs: kill XBF_UNMAPPED	2025-03-10 14:29:44 +01:00
xfs_buf_item.c	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_buf_item.h	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_buf_mem.c	xfs: compute buffer address correctly in xmbuf_map_backing_mem	2025-04-14 11:22:52 +02:00
xfs_buf_mem.h	xfs: cleanup mapping tmpfs folios into the buffer cache	2025-03-10 14:29:44 +01:00
xfs_buf.c	xfs: New code for 6.16	2025-05-26 12:56:01 -07:00
xfs_buf.h	xfs: ignore HW which cannot atomic write a single block	2025-05-07 14:25:31 -07:00
xfs_dahash_test.c
xfs_dahash_test.h
xfs_dir2_readdir.c	xfs: refactor dir format helpers	2024-04-26 11:21:46 +05:30
xfs_discard.c	xfs: don't assume perags are initialised when trimming AGs	2025-05-05 09:39:19 +02:00
xfs_discard.h
xfs_dquot_item_recover.c
xfs_dquot_item.c	xfs: attach dquot buffer to dquot log item buffer	2024-12-12 17:45:11 -08:00
xfs_dquot_item.h	xfs: attach dquot buffer to dquot log item buffer	2024-12-12 17:45:11 -08:00
xfs_dquot.c	xfs: remove the leftover xfs_{set,clear}_li_failed infrastructure	2025-04-14 10:24:30 +02:00
xfs_dquot.h	xfs: prepare to reuse the dquot pointer space in struct xfs_inode	2024-12-23 13:06:03 -08:00
xfs_drain.c	xfs: allow queued realtime intents to drain before scrubbing	2024-12-23 13:06:06 -08:00
xfs_drain.h	xfs: allow queued realtime intents to drain before scrubbing	2024-12-23 13:06:06 -08:00
xfs_error.c	xfs: allow inode-based btrees to reserve space in the data device	2024-12-23 13:06:03 -08:00
xfs_error.h
xfs_exchmaps_item.c	xfs: capture inode generation numbers in the ondisk exchmaps log item	2024-04-15 14:54:24 -07:00
xfs_exchmaps_item.h	xfs: create deferred log items for file mapping exchanges	2024-04-15 14:54:17 -07:00
xfs_exchrange.c	xfs: don't call remap_verify_area with sb write protection held	2025-01-24 12:08:50 +01:00
xfs_exchrange.h	xfs: introduce new file range commit ioctls	2024-09-01 08:58:19 -07:00
xfs_export.c	xfs: add parent pointer ioctls	2024-04-23 07:47:00 -07:00
xfs_export.h	xfs: add parent pointer ioctls	2024-04-23 07:47:00 -07:00
xfs_extent_busy.c	xfs: implement zoned garbage collection	2025-03-03 08:17:07 -07:00
xfs_extent_busy.h	xfs: convert busy extent tracking to the generic group structure	2024-11-05 13:38:29 -08:00
xfs_extfree_item.c	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_extfree_item.h	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_file.c	xfs: update atomic write limits	2025-05-07 14:25:32 -07:00
xfs_file.h	xfs: create a new helper to return a file's allocation unit	2024-04-15 14:54:10 -07:00
xfs_filestream.c	xfs: free the item in xfs_mru_cache_insert on failure	2025-05-14 19:00:12 +02:00
xfs_filestream.h
xfs_fsmap.c	xfs: fix fsmap for internal zoned devices	2025-04-16 12:56:10 +02:00
xfs_fsmap.h	xfs: clean up xfs_getfsmap_helper arguments	2024-11-05 13:38:35 -08:00
xfs_fsops.c	xfs: remove the flags argument to xfs_buf_read_uncached	2025-03-18 14:47:45 +01:00
xfs_fsops.h	xfs: support reserved blocks for the rt extent counter	2025-03-03 08:16:43 -07:00
xfs_globals.c	xfs: Remove deprecated xfs_bufd sysctl parameters	2025-05-14 12:35:24 +02:00
xfs_handle.c	simplify xfs_find_handle() a bit	2024-11-03 01:28:06 -05:00
xfs_handle.h	xfs: add parent pointer ioctls	2024-04-23 07:47:00 -07:00
xfs_health.c	xfs: report realtime refcount btree corruption errors to the health system	2024-12-23 13:06:14 -08:00
xfs_hooks.c
xfs_hooks.h
xfs_icache.c	- The 7 patch series "powerpc/crash: use generic crashkernel	2025-04-01 10:06:52 -07:00
xfs_icache.h
xfs_icreate_item.c
xfs_icreate_item.h
xfs_inode_item_recover.c	xfs: define the zoned on-disk format	2025-03-03 08:16:45 -07:00
xfs_inode_item.c	xfs: remove the leftover xfs_{set,clear}_li_failed infrastructure	2025-04-14 10:24:30 +02:00
xfs_inode_item.h
xfs_inode.c	- The 6 patch series "Enable strict percpu address space checks" from	2025-04-01 09:29:18 -07:00
xfs_inode.h	xfs: ignore HW which cannot atomic write a single block	2025-05-07 14:25:31 -07:00
xfs_ioctl.c	xfs: support reserved blocks for the rt extent counter	2025-03-03 08:16:43 -07:00
xfs_ioctl.h	xfs: move handle ioctl code to xfs_handle.c	2024-04-23 07:47:00 -07:00
xfs_ioctl32.c	xfs: move handle ioctl code to xfs_handle.c	2024-04-23 07:47:00 -07:00
xfs_ioctl32.h
xfs_iomap.c	xfs: add large atomic writes checks in xfs_direct_write_iomap_begin()	2025-05-07 14:25:32 -07:00
xfs_iomap.h	xfs: add xfs_atomic_write_cow_iomap_begin()	2025-05-07 14:25:31 -07:00
xfs_iops.c	xfs: update atomic write limits	2025-05-07 14:25:32 -07:00
xfs_iops.h	xfs: refine atomic write size check in xfs_file_write_iter()	2025-05-07 14:25:31 -07:00
xfs_itable.c	xfs: allow bulkstat to return metadata directories	2024-11-05 13:38:32 -08:00
xfs_itable.h	xfs: allow bulkstat to return metadata directories	2024-11-05 13:38:32 -08:00
xfs_iunlink_item.c	xfs: pass the iunlink item to the xfs_iunlink_update_dinode trace point	2024-11-05 13:38:26 -08:00
xfs_iunlink_item.h
xfs_iwalk.c	xfs: switch perag iteration from the for_each macros to a while based iterator	2024-11-05 13:38:28 -08:00
xfs_iwalk.h	xfs: factor out a xfs_iwalk_args helper	2024-11-05 13:38:27 -08:00
xfs_linux.h	move asm/unaligned.h to linux/unaligned.h	2024-10-02 17:23:23 -04:00
xfs_log_cil.c	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_log_priv.h	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_log_recover.c	xfs: decouple buffer readahead from the normal buffer read path	2025-02-25 13:05:59 +01:00
xfs_log.c	xfs: simplify building the bio in xlog_write_iclog	2025-05-07 07:31:07 -06:00
xfs_log.h	xfs: Remove empty declartion in header file	2024-10-07 08:00:11 +02:00
xfs_message.c	xfs: remove the EXPERIMENTAL warning for pNFS	2025-05-14 12:42:12 +02:00
xfs_message.h	xfs: remove the EXPERIMENTAL warning for pNFS	2025-05-14 12:42:12 +02:00
xfs_mount.c	xfs: allow sysadmins to specify a maximum atomic write limit at mount time	2025-05-07 14:25:33 -07:00
xfs_mount.h	xfs: add inode to zone caching for data placement	2025-05-14 19:00:17 +02:00
xfs_mru_cache.c	xfs: free the item in xfs_mru_cache_insert on failure	2025-05-14 19:00:12 +02:00
xfs_mru_cache.h
xfs_notify_failure.c	super: add filesystem freezing helpers for suspend and hibernate	2025-05-09 12:41:02 +02:00
xfs_notify_failure.h	xfs: react to fsdax failure notifications on the rt device	2024-12-23 13:06:09 -08:00
xfs_pnfs.c	xfs: remove the EXPERIMENTAL warning for pNFS	2025-05-14 12:42:12 +02:00
xfs_pnfs.h
xfs_pwork.c
xfs_pwork.h
xfs_qm_bhv.c	xfs: Do not allow norecovery mount with quotacheck	2025-02-14 09:40:35 +01:00
xfs_qm_syscalls.c	xfs: delalloc and quota softlimit timers are incoherent	2024-11-22 11:24:45 +01:00
xfs_qm.c	xfs: disable rt quotas for zoned file systems	2025-03-03 08:17:09 -07:00
xfs_qm.h	xfs: keep quota directory inode loaded	2024-12-12 17:45:08 -08:00
xfs_quota.h	xfs: prepare to reuse the dquot pointer space in struct xfs_inode	2024-12-23 13:06:03 -08:00
xfs_quotaops.c	xfs: refactor loading quota inodes in the regular case	2024-09-01 08:58:20 -07:00
xfs_refcount_item.c	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_refcount_item.h	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_reflink.c	xfs: add xfs_calc_atomic_write_unit_max()	2025-05-07 14:25:32 -07:00
xfs_reflink.h	xfs: add xfs_calc_atomic_write_unit_max()	2025-05-07 14:25:32 -07:00
xfs_rmap_item.c	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_rmap_item.h	xfs: add helpers to compute log item overhead	2025-05-07 14:25:30 -07:00
xfs_rtalloc.c	xfs: remove the flags argument to xfs_buf_get_uncached	2025-03-18 14:47:45 +01:00
xfs_rtalloc.h	xfs: make metabtree reservations global	2025-03-03 08:16:43 -07:00
xfs_stats.c	xfs: introduce realtime refcount btree ondisk definitions	2024-12-23 13:06:10 -08:00
xfs_stats.h	xfs: introduce realtime refcount btree ondisk definitions	2024-12-23 13:06:10 -08:00
xfs_super.c	xfs: New code for 6.16	2025-05-26 12:56:01 -07:00
xfs_super.h	xfs: react to fsdax failure notifications on the rt device	2024-12-23 13:06:09 -08:00
xfs_symlink.c	xfs: pass the icreate args object to xfs_dialloc	2024-09-01 08:58:19 -07:00
xfs_symlink.h	xfs: move remote symlink target read function to libxfs	2024-02-22 12:45:17 -08:00
xfs_sysctl.c	treewide: const qualify ctl_tables where applicable	2025-01-28 13:48:37 +01:00
xfs_sysctl.h	xfs: Remove deprecated xfs_bufd sysctl parameters	2025-05-14 12:35:24 +02:00
xfs_sysfs.c	xfs: add tunable threshold parameter for triggering zone GC	2025-04-14 10:41:33 +02:00
xfs_sysfs.h	xfs: contain more sysfs code in xfs_sysfs.c	2025-03-03 08:17:10 -07:00
xfs_trace.c	xfs: add the zoned space allocator	2025-03-03 08:16:56 -07:00
xfs_trace.h	xfs: allow sysadmins to specify a maximum atomic write limit at mount time	2025-05-07 14:25:33 -07:00
xfs_trans_ail.c	xfs: Fix comment on xfs_trans_ail_update_bulk()	2025-05-14 15:37:50 +02:00
xfs_trans_buf.c	xfs: add a b_iodone callback to struct xfs_buf	2025-01-14 11:38:15 +01:00
xfs_trans_dquot.c	xfs: prepare to reuse the dquot pointer space in struct xfs_inode	2024-12-23 13:06:03 -08:00
xfs_trans_priv.h	xfs: remove the leftover xfs_{set,clear}_li_failed infrastructure	2025-04-14 10:24:30 +02:00
xfs_trans.c	xfs: remove the t_magic field in struct xfs_trans	2025-01-13 14:55:19 +01:00
xfs_trans.h	xfs: remove the t_magic field in struct xfs_trans	2025-01-13 14:55:19 +01:00
xfs_xattr.c	xfs: standardize EXPERIMENTAL warning generation	2024-11-05 13:38:30 -08:00
xfs_xattr.h	xfs: remove xfs_da_args.attr_flags	2024-04-23 07:46:50 -07:00
xfs_zone_alloc.c	xfs: add inode to zone caching for data placement	2025-05-14 19:00:17 +02:00
xfs_zone_alloc.h	xfs: export zone stats in /proc/*/mountstats	2025-03-03 08:17:10 -07:00
xfs_zone_gc.c	xfs: fix zoned GC data corruption due to wrong bv_offset	2025-05-14 15:37:49 +02:00
xfs_zone_info.c	xfs: export zone stats in /proc/*/mountstats	2025-03-03 08:17:10 -07:00
xfs_zone_priv.h	xfs: support write life time based data placement	2025-03-03 08:17:10 -07:00
xfs_zone_space_resv.c	xfs: trigger zone GC when out of available rt blocks	2025-03-11 12:52:27 +01:00
xfs.h	xfs: verify buffer, inode, and dquot items every tx commit	2024-07-02 11:36:54 -07:00