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bfd484a560
linux/fs/nfs
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Weston Andros Adamson bfd484a560 nfs: use blocking page_group_lock in add_request 
__nfs_pageio_add_request was calling nfs_page_group_lock nonblocking, but
this can return -EAGAIN which would end up passing -EIO to the application.

There is no reason not to block in this path, so change the two calls to
do so. Also, there is no need to check the return value of
nfs_page_group_lock when nonblock=false, so remove the error handling code.

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Reviewed-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-08-22 18:04:43 -04:00
..
blocklayout FS/NFS: replace count*size kzalloc by kcalloc 2014-06-25 19:02:14 -04:00
filelayout NFS client updates for Linux 3.17 2014-08-13 18:13:19 -06:00
objlayout nfs: remove unused writeverf code 2014-06-24 18:47:00 -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_proc.c NFSv4.1: Minor optimisation in get_layout_by_fh_locked() 2014-02-19 21:21:06 -05:00
callback_xdr.c Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -04:00
callback.c nfs4: copy acceptor name from context to nfs_client 2014-07-12 18:41:25 -04:00
callback.h NFS: Add in v4.2 callback operation 2013-06-08 16:20:18 -04:00
client.c NFS client updates for Linux 3.17 2014-08-13 18:13:19 -06:00
delegation.c nfs4: add nfs4_check_delegation 2014-07-12 18:22:58 -04:00
delegation.h nfs4: add nfs4_check_delegation 2014-07-12 18:22:58 -04:00
dir.c NFS: fix two problems in lookup_revalidate in RCU-walk 2014-08-04 09:22:08 -04:00
direct.c Merge branch 'bugfixes' into linux-next 2014-07-13 15:22:02 -04:00
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 sched: Remove proliferation of wait_on_bit() action functions 2014-07-16 15:10:39 +02:00
fscache-index.c
fscache.c NFS: Use i_writecount to control whether to get an fscache cookie in nfs_open() 2013-09-27 18:40:25 +01:00
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 dcache: d_obtain_alias callers don't all want DISCONNECTED 2014-08-07 14:40:10 -04:00
idmap.c Merge branch 'keys-fixes' into keys-next 2014-07-22 21:55:45 +01:00
inode.c NFS client updates for Linux 3.17 2014-08-13 18:13:19 -06:00
internal.h NFS client updates for Linux 3.17 2014-08-13 18:13:19 -06:00
iostat.h
Kconfig nfs: fix pnfs Kconfig defaults 2013-11-15 13:41:43 -05:00
Makefile Push the file layout driver into a subdirectory 2014-05-29 20:21:56 -04:00
mount_clnt.c nfs: have nfs_mount fake up a auth_flavs list when the server didn't provide it 2013-06-28 15:51:51 -04:00
namespace.c nfs: use %p[dD] instead of open-coded (and often racy) equivalents 2013-10-24 23:34:50 -04:00
netns.h NFS: Fix /proc/fs/nfsfs/servers and /proc/fs/nfsfs/volumes 2014-08-04 09:28:32 -07:00
nfs2super.c
nfs2xdr.c NFS: Create a common results structure for reads and writes 2014-05-28 18:12:43 -04:00
nfs3acl.c nfs3_list_one_acl(): check get_acl() result with IS_ERR_OR_NULL 2014-08-03 17:05:22 -04:00
nfs3client.c
nfs3proc.c Merge branch 'bugfixes' into linux-next 2014-07-13 15:22:02 -04:00
nfs3super.c nfs: use generic posix ACL infrastructure for v3 Posix ACLs 2014-01-26 08:26:20 -05:00
nfs3xdr.c NFS: Create a common results structure for reads and writes 2014-05-28 18:12:43 -04:00
nfs4_fs.h nfs4: turn free_lock_state into a void return operation 2014-07-12 18:36:37 -04:00
nfs4client.c nfsv4: set hostname when creating nfsv4 ds connection 2014-07-08 14:30:03 -04:00
nfs4file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-06-12 10:30:18 -07:00
nfs4getroot.c NFSv4: Fix security auto-negotiation 2013-09-07 16:18:30 -04:00
nfs4namespace.c NFSv4: test SECINFO RPC_AUTH_GSS pseudoflavors for support 2014-06-24 18:46:58 -04:00
nfs4proc.c NFS: Avoid infinite loop when RELEASE_LOCKOWNER getting expired error 2014-08-04 16:51:38 -04:00
nfs4renewd.c
nfs4session.c NFSv4.1: nfs4_destroy_session must call rpc_destroy_waitqueue 2014-02-01 15:13:39 -05:00
nfs4session.h NFSv4.1: nfs4_destroy_session must call rpc_destroy_waitqueue 2014-02-01 15:13:39 -05:00
nfs4state.c NFS client updates for Linux 3.17 2014-08-13 18:13:19 -06:00
nfs4super.c mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
nfs4sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
nfs4trace.c NFSv4.1: Add tracepoints for debugging slot table operations 2013-08-22 08:58:27 -04:00
nfs4trace.h nfs: merge nfs_pgio_data into _header 2014-06-24 18:47:00 -04:00
nfs4xdr.c NFSv4: Drop cast 2014-07-12 18:43:47 -04:00
nfs.h
nfsroot.c
nfstrace.c NFS: Add event tracing for generic NFS lookups 2013-08-22 08:58:18 -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: use blocking page_group_lock in add_request 2014-08-22 18:04:43 -04:00
pnfs_dev.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
pnfs.c NFS client updates for Linux 3.17 2014-08-13 18:13:19 -06:00
pnfs.h pnfs: add pnfs_put_lseg_async 2014-08-03 17:05:25 -04:00
proc.c nfs: merge nfs_pgio_data into _header 2014-06-24 18:47:00 -04:00
read.c nfs: get rid of duplicate dprintk 2014-06-25 19:01:27 -04:00
super.c nfs: reject changes to resvport and sharecache during remount 2014-08-04 17:41:52 -04:00
symlink.c
sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
unlink.c nfs: emit a fsnotify_nameremove call in sillyrename codepath 2014-03-17 15:14:17 -04:00
write.c nfs: change nfs_page_group_lock argument 2014-08-22 18:04:42 -04:00