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linux/fs/nfs
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Christoph Hellwig 54e7d59841 nfs: drop the incorrect assertion in nfs_swap_rw() 
Since commit 2282679fb2 ("mm: submit multipage write for SWP_FS_OPS
swap-space"), we can plug multiple pages then unplug them all together. 
That means iov_iter_count(iter) could be way bigger than PAGE_SIZE, it
actually equals the size of iov_iter_npages(iter, INT_MAX).

Note this issue has nothing to do with large folios as we don't support
THP_SWPOUT to non-block devices.

[v-songbaohua@oppo.com: figure out the cause and correct the commit message]
Link: https://lkml.kernel.org/r/20240618065647.21791-1-21cnbao@gmail.com
Fixes: 2282679fb2 ("mm: submit multipage write for SWP_FS_OPS swap-space")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Closes: https://lore.kernel.org/linux-mm/20240617053201.GA16852@lst.de/
Reviewed-by: Martin Wege <martin.l.wege@gmail.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <anna@kernel.org>
Cc: Steve French <sfrench@samba.org>
Cc: Trond Myklebust <trondmy@kernel.org>
Cc: Chuanhua Han <hanchuanhua@oppo.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-06-24 20:52:11 -07:00
..
blocklayout nfs: port block device access to files 2024-02-25 12:05:26 +01:00
filelayout pNFS: rework pnfs_generic_pg_check_layout to check IO range 2024-05-21 08:34:15 -04:00
flexfilelayout pNFS: rework pnfs_generic_pg_check_layout to check IO range 2024-05-21 08:34:15 -04:00
cache_lib.c
cache_lib.h
callback_proc.c NFSv4.1: if referring calls are complete, trust the stateid argument 2024-01-04 10:47:56 -05:00
callback_xdr.c NFSv4.1: Use the nfs_client's rpc timeouts for backchannel 2024-01-04 17:01:01 -05:00
callback.c nfsd: stop setting ->pg_stats for unused stats 2024-03-01 09:12:08 -05:00
callback.h NFS Client Updates for Linux 6.8 2024-01-10 16:13:57 -08:00
client.c NFS: remove unused variable nfs_rpcstat 2024-03-09 09:14:51 -05:00
delegation.c NFS client updates for Linux 6.9 2024-03-16 11:44:00 -07:00
delegation.h NFSv4: fairly test all delegations on a SEQ4_ revocation 2023-11-01 15:15:52 -04:00
dir.c NFS: add barriers when testing for NFS_FSDATA_BLOCKED 2024-05-30 16:17:12 -04:00
direct.c nfs: drop the incorrect assertion in nfs_swap_rw() 2024-06-24 20:52:11 -07:00
dns_resolve.c NFS: Move common includes outside ifdef 2023-08-24 13:24:15 -04:00
dns_resolve.h NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
export.c nfsd: allow reaping files still under writeback 2023-04-26 09:04:59 -04:00
file.c mm: Remove the PG_fscache alias for PG_private_2 2024-04-29 15:01:42 +01:00
fs_context.c nfs: keep server info for remounts 2024-05-20 11:37:15 -04:00
fscache.c NFS: Fix nfs_netfs_issue_read() xarray locking for writeback interrupt 2024-03-09 09:14:38 -05:00
fscache.h mm: Remove the PG_fscache alias for PG_private_2 2024-04-29 15:01:42 +01:00
getroot.c
inode.c NFS client bugfixes for Linux 6.9 2024-04-29 12:07:37 -07:00
internal.h nfs: fix undefined behavior in nfs_block_bits() 2024-05-21 08:34:15 -04:00
io.c
iostat.h mm: change inlined allocation helpers to account at the call site 2024-04-25 20:55:59 -07:00
Kconfig NFS: Don't enable NFS v2 by default 2024-05-20 11:37:15 -04:00
Makefile
mount_clnt.c NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
namespace.c fs: pass the request_mask to generic_fillattr 2023-08-09 08:56:36 +02:00
netns.h nfs: make the rpc_stat per net namespace 2024-03-09 09:14:51 -05:00
nfs2super.c
nfs2xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-08-30 11:08:27 -04:00
nfs3_fs.h fs: drop unused posix acl handlers 2023-03-06 09:57:12 +01:00
nfs3acl.c Mainly singleton patches all over the place. Series of note are: 2023-04-27 19:57:00 -07:00
nfs3client.c NFS: enable nconnect for RDMA 2024-03-09 09:14:51 -05:00
nfs3proc.c NFS: add atomic_open for NFSv3 to handle O_TRUNC correctly. 2024-05-20 11:09:20 -04:00
nfs3super.c fs: drop unused posix acl handlers 2023-03-06 09:57:12 +01:00
nfs3xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-08-30 11:08:27 -04:00
nfs4_fs.h NFS client updates for Linux 6.9 2024-03-16 11:44:00 -07:00
nfs4client.c NFS: enable nconnect for RDMA 2024-03-09 09:14:51 -05:00
nfs4file.c filelock: split leases out of struct file_lock 2024-02-05 13:11:44 +01:00
nfs4getroot.c
nfs4idmap.c cred: Do not default to init_cred in prepare_kernel_cred() 2022-11-01 10:04:52 -07:00
nfs4idmap.h
nfs4namespace.c NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
nfs4proc.c NFSv4.1 enforce rootpath check in fs_location query 2024-05-30 16:12:43 -04:00
nfs4renewd.c
nfs4session.c
nfs4session.h
nfs4state.c NFSv4: Fixup smatch warning for ambiguous return 2024-05-20 11:12:59 -04:00
nfs4super.c nfs: fix regression in handling of fsc= option in NFSv4 2024-02-28 16:18:19 -05:00
nfs4sysctl.c fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
nfs4trace.c pnfs/filelayout: add tracepoint to getdeviceinfo 2024-02-28 16:18:19 -05:00
nfs4trace.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
nfs4xdr.c nfs: adapt to breakup of struct file_lock 2024-02-05 13:11:43 +01:00
nfs42.h NFSv4.2: fix listxattr maximum XDR buffer size 2024-02-28 16:18:18 -05:00
nfs42proc.c nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op 2023-10-11 09:37:48 -04:00
nfs42xattr.c mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
nfs42xdr.c NFSv4.2: Rework scratch handling for READ_PLUS (again) 2023-08-23 15:58:47 -04:00
nfs.h nfs: move nfs4_xattr_handlers to .rodata 2023-10-09 16:24:20 +02:00
nfsroot.c NFS: Fix an off by one in root_nfs_cat() 2024-03-09 09:14:51 -05:00
nfstrace.c
nfstrace.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
pagelist.c nfs: Avoid flushing many pages with NFS_FILE_SYNC 2024-05-24 12:26:14 -04:00
pnfs_dev.c NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info 2023-08-24 13:24:15 -04:00
pnfs_nfs.c NFSv4.1/pnfs: fix NFS with TLS in pnfs 2024-03-09 09:14:51 -05:00
pnfs.c pNFS: rework pnfs_generic_pg_check_layout to check IO range 2024-05-21 08:34:15 -04:00
pnfs.h pNFS: rework pnfs_generic_pg_check_layout to check IO range 2024-05-21 08:34:15 -04:00
proc.c NFS: add atomic_open for NFSv3 to handle O_TRUNC correctly. 2024-05-20 11:09:20 -04:00
read.c NFS: Read unlock folio on nfs_page_create_from_folio() error 2024-03-09 09:14:51 -05:00
super.c NFS: make sure lock/nolock overriding local_lock mount option 2024-05-20 11:10:27 -04:00
symlink.c nfs: propagate readlink errors in nfs_symlink_filler 2024-05-22 19:25:00 -04:00
sysctl.c fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
sysfs.c NFS: Fix sysfs server name memory leak 2023-08-19 10:26:29 -04:00
sysfs.h NFS: Add sysfs links to sunrpc clients for nfs_clients 2023-06-19 15:04:13 -04:00
unlink.c nfs: rename the nfs_async_rename_done tracepoint 2024-01-04 10:47:56 -05:00
write.c mm: Remove the PG_fscache alias for PG_private_2 2024-04-29 15:01:42 +01:00