Andreas Gruenbacher fa58cc888d gfs2: Don't get stuck writing page onto itself under direct I/O ... When a direct I/O write is performed, iomap_dio_rw() invalidates the part of the page cache which the write is going to before carrying out the write. In the odd case, the direct I/O write will be reading from the same page it is writing to. gfs2 carries out writes with page faults disabled, so it should have been obvious that this page invalidation can cause iomap_dio_rw() to never make any progress. Currently, gfs2 will end up in an endless retry loop in gfs2_file_direct_write() instead, though. Break this endless loop by limiting the number of retries and falling back to buffered I/O after that. Also simplify should_fault_in_pages() sightly and add a comment to make the above case easier to understand. Reported-by: Jan Kara <jack@suse.cz> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>		2023-06-01 14:55:43 +02:00
..
acl.c	fs: port acl to mnt_idmap	2023-01-19 09:24:28 +01:00
acl.h	fs: port ->set_acl() to pass mnt_idmap	2023-01-19 09:24:27 +01:00
aops.c	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
aops.h	gfs2: Convert gfs2_page_add_databufs to folios	2023-02-22 12:06:20 +01:00
bmap.c	gfs2: Eliminate gfs2_trim_blocks	2023-04-18 14:40:12 +02:00
bmap.h	gfs2: Eliminate gfs2_trim_blocks	2023-04-18 14:40:12 +02:00
dentry.c	Reinstate "GFS2: free disk inode which is deleted by remote node -V2"	2023-03-23 19:37:56 +01:00
dir.c	gfs2 fixes	2022-08-06 14:44:49 -07:00
dir.h	gfs2: Delete an unnecessary check before brelse()	2019-09-04 20:22:17 +02:00
export.c	Change calling conventions for filldir_t	2022-08-17 17:25:04 -04:00
file.c	gfs2: Don't get stuck writing page onto itself under direct I/O	2023-06-01 14:55:43 +02:00
gfs2.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398	2019-06-05 17:37:12 +02:00
glock.c	gfs2: Cease delete work during unmount	2023-01-31 22:40:24 +01:00
glock.h	gfs2: Split the two kinds of glock "delete" work	2023-01-31 22:40:24 +01:00
glops.c	gfs2: gfs2_ail_empty_gl no log flush on error	2023-04-25 11:07:16 +02:00
glops.h	gfs2: Split up gfs2_meta_sync into inode and rgrp versions	2020-10-29 22:16:46 +01:00
incore.h	gfs2: Evict inodes cooperatively	2023-01-31 22:40:24 +01:00
inode.c	gfs2: Remove ghs[] from gfs2_unlink	2023-03-27 14:42:16 +02:00
inode.h	fs: port ->permission() to pass mnt_idmap	2023-01-19 09:24:28 +01:00
Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
lock_dlm.c	fs: dlm: remove DLM_LSFL_FS from uapi	2022-08-23 14:54:54 -05:00
log.c	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
log.h	fs/gfs2: Use the enum req_op and blk_opf_t types	2022-07-14 12:14:32 -06:00
lops.c	Folio changes for 6.0	2022-08-03 10:35:43 -07:00
lops.h	fs/gfs2: Use the enum req_op and blk_opf_t types	2022-07-14 12:14:32 -06:00
main.c	gfs2: Register fs after creating workqueues	2022-09-20 17:53:54 +02:00
Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
meta_io.c	gfs2: replace obvious uses of b_page with b_folio	2023-01-18 17:12:40 -08:00
meta_io.h	gfs2: Use container_of() for gfs2_glock(aspace)	2022-05-24 21:29:14 +02:00
ops_fstype.c	gfs2: Use gfs2_holder_initialized for jindex	2023-04-18 14:46:16 +02:00
quota.c	gfs2: replace ll_rw_block()	2022-09-11 20:26:06 -07:00
quota.h	gfs2: move privileged user check to gfs2_quota_lock_check	2020-05-08 18:47:58 +02:00
recovery.c	gfs2: replace 'found' with dedicated list iterator variable	2022-05-14 03:05:55 +02:00
recovery.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398	2019-06-05 17:37:12 +02:00
rgrp.c	gfs2: Split the two kinds of glock "delete" work	2023-01-31 22:40:24 +01:00
rgrp.h	Merge part of branch 'for-next.instantiate' into for-next	2022-08-05 18:37:03 +02:00
super.c	gfs2: Don't deref jdesc in evict	2023-05-10 17:15:18 +02:00
super.h	gfs2: Don't release and reacquire local statfs bh	2021-08-20 09:03:46 -05:00
sys.c	Driver core changes for 6.3-rc1	2023-02-24 12:58:55 -08:00
sys.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398	2019-06-05 17:37:12 +02:00
trace_gfs2.h	gfs2: Remove 'first' trace_gfs2_promote argument	2021-10-25 08:42:19 +02:00
trans.c	gfs2: fix use-after-free in trans_drain	2021-03-07 17:04:55 +01:00
trans.h	Merge branches 'rgrp-glock-sharing' and 'gfs2-revoke' from https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git	2021-02-23 18:54:22 +01:00
util.c	gfs2: Merge branch 'for-next.nopid' into for-next	2022-10-09 22:56:28 +02:00
util.h	gfs2: don't stop reads while withdraw in progress	2021-08-20 09:03:46 -05:00
xattr.c	fs: drop unused posix acl handlers	2023-03-06 09:57:12 +01:00
xattr.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398	2019-06-05 17:37:12 +02:00