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linux-brain/fs/nfs
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Trond Myklebust a88fd5847b NFSv4.1: Fix the r/wsize checking 
commit 943cff67b8 upstream.

The intention of nfs4_session_set_rwsize() was to cap the r/wsize to the
buffer sizes negotiated by the CREATE_SESSION. The initial code had a
bug whereby we would not check the values negotiated by nfs_probe_fsinfo()
(the assumption being that CREATE_SESSION will always negotiate buffer values
that are sane w.r.t. the server's preferred r/wsizes) but would only check
values set by the user in the 'mount' command.

The code was changed in 4.11 to _always_ set the r/wsize, meaning that we
now never use the server preferred r/wsizes. This is the regression that
this patch fixes.
Also rename the function to nfs4_session_limit_rwsize() in order to avoid
future confusion.

Fixes: 033853325f (NFSv4.1 respect server's max size in CREATE_SESSION")
Cc: stable@vger.kernel.org # v4.11+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-11-21 09:27:35 +01:00
..
blocklayout pnfs/blocklayout: off by one in bl_map_stripe() 2018-09-09 20:04:34 +02:00
filelayout NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success. 2017-01-19 20:17:22 +01:00
flexfilelayout pNFS/flexfiles: missing error code in ff_layout_alloc_lseg() 2018-04-13 19:50:10 +02:00
objlayout osd fs: __r4w_get_page rely on PageUptodate for uptodate 2015-12-12 10:15:34 -08:00
Kconfig pnfs/blocklayout: require 64-bit sector_t 2017-08-16 13:40:30 -07:00
Makefile NFS: Rename idmap.c to nfs4idmap.c 2015-04-23 15:16:14 -04:00
cache_lib.c NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
cache_lib.h NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
callback.c NFSv4.x: hide array-bounds warning 2016-12-02 09:09:01 +01:00
callback.h NFS: Remove the left function defines in callback.h 2015-10-21 15:49:22 -05:00
callback_proc.c NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY 2015-10-21 15:49:23 -05:00
callback_xdr.c NFSv4.0 fix client reference leak in callback 2018-09-19 22:48:57 +02:00
client.c nfs: get clone_blksize when probing fsinfo 2015-10-15 16:08:18 -04:00
delegation.c NFSv4: nfs4_copy_delegation_stateid() must fail if the delegation is invalid 2016-10-28 03:01:31 -04:00
delegation.h NFSv4: Recovery of recalled read delegations is broken 2015-09-20 22:34:16 -04:00
dir.c NFS: Fix a typo in nfs_rename() 2017-12-16 10:33:55 +01:00
direct.c NFS: Fix an incorrect type in struct nfs_direct_req 2018-03-18 11:17:52 +01:00
dns_resolve.c NFS: Enabling v4.2 should not recompile nfsd and lockd 2013-11-19 16:20:40 -05:00
dns_resolve.h
…
file.c nfs_write_end(): fix handling of short copies 2017-01-09 08:07:52 +01:00
fscache-index.c NFS: Fabricate fscache server index key correctly 2014-09-25 21:25:18 -04:00
fscache.c nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
fscache.h NFS: Use i_writecount to control whether to get an fscache cookie in nfs_open() 2013-09-27 18:40:25 +01:00
getroot.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
inode.c NFS: only invalidate dentrys that are clearly invalid. 2017-07-27 15:06:08 -07:00
internal.h NFS: Fix 2 use after free issues in the I/O code 2017-09-13 14:09:46 -07:00
iostat.h nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
mount_clnt.c NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY 2015-10-21 15:49:23 -05:00
namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
netns.h pnfs/blocklayout: serialize GETDEVICEINFO calls 2014-11-12 14:22:52 -05:00
nfs.h
…
nfs2super.c
…
nfs2xdr.c nfs: save server READ/WRITE/COMMIT status 2015-02-03 11:06:40 -08:00
nfs3_fs.h nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3acl.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs3client.c nfs: set hostname when creating nfsv3 ds connection 2015-02-03 11:06:38 -08:00
nfs3proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c xprtrdma: Fix large NFS SYMLINK calls 2015-08-05 16:21:28 -04:00
nfs4_fs.h NFSv4: Refactor NFSv4 error handling 2015-10-08 10:45:51 -04:00
nfs4client.c NFSv4.1: Fix the r/wsize checking 2018-11-21 09:27:35 +01:00
nfs4file.c nfs: use file_dentry() 2016-04-20 15:42:13 +09:00
nfs4getroot.c nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh 2015-07-01 11:31:22 -04:00
nfs4idmap.c NFSv4: Fix possible 1-byte stack overflow in nfs_idmap_read_and_verify_message 2018-07-03 11:21:34 +02:00
nfs4idmap.h NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs4proc.c NFSv4: always set NFS_LOCK_LOST when a lock is lost. 2018-05-30 07:48:52 +02:00
nfs4renewd.c NFSv4.1: Fix an NFSv4.1 state renewal regression 2014-09-30 17:18:42 -04:00
nfs4session.c NFSv4.1: Don't set up a backchannel if the server didn't agree to do so 2015-02-18 12:30:47 -08:00
nfs4session.h NFSv4.1: Clear the old state by our client id before establishing a new lease 2015-03-03 21:52:30 -05:00
nfs4state.c NFSv4: always set NFS_LOCK_LOST when a lock is lost. 2018-05-30 07:48:52 +02:00
nfs4super.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4sysctl.c nfs: Do not convert nfs_idmap_cache_timeout to jiffies 2018-05-30 07:48:53 +02:00
nfs4trace.c NFSv4.1: Add tracepoints for debugging slot table operations 2013-08-22 08:58:27 -04:00
nfs4trace.h NFS: Fix a tracepoint NULL-pointer dereference 2015-10-06 18:56:25 -04:00
nfs4xdr.c NFSv4: fix getacl head length estimation 2017-03-12 06:37:30 +01:00
nfs42.h nfs42: add CLONE proc functions 2015-10-15 16:07:36 -04:00
nfs42proc.c NFSv4.2: Fix a reference leak in nfs42_proc_layoutstats_generic 2016-10-28 03:01:31 -04:00
nfs42xdr.c nfs42: add CLONE xdr functions 2015-10-15 16:07:21 -04:00
nfsroot.c nfsroot: make nfsroot to accept the 1024 bytes long directory name 2015-10-21 15:49:19 -05:00
nfstrace.c NFSv4: Allow tracing of NFSv4 fsync calls 2015-03-27 12:39:34 -04:00
nfstrace.h NFS: fix the handling of NFS_INO_INVALID_DATA flag in nfs_revalidate_mapping 2014-01-27 15:35:56 -05:00
pagelist.c NFS: Fix missing pg_cleanup after nfs_pageio_cond_complete() 2018-03-24 10:58:42 +01:00
pnfs.c nfs/pnfs: fix nfs_direct_req ref leak when i/o falls back to the mds 2018-02-16 20:09:41 +01:00
pnfs.h NFS41: make close wait for layoutreturn 2015-09-23 08:55:32 -04:00
pnfs_dev.c NFSv4.1: Don't cache deviceids that have no notifications 2015-03-27 12:32:24 -04:00
pnfs_nfs.c NFS41: fix list splice type 2015-08-20 13:43:53 -05:00
proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
read.c NFSv4.1/pnfs: Retry through MDS when getting bad length of data 2015-10-21 15:55:47 -05:00
super.c fs: Teach path_connected to handle nfs filesystems with multiple roots. 2018-03-22 09:23:31 +01:00
symlink.c don't pass nameidata to ->follow_link() 2015-05-10 22:20:15 -04:00
sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
unlink.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
write.c NFS: Add a cond_resched() to nfs_commit_release_pages() 2018-02-16 20:09:42 +01:00