unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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kernel-hacking-2024-linux-s.../fs/nfs
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Trond Myklebust 6650239a4b NFS: Don't use vm_map_ram() in readdir 
vm_map_ram() is not available on NOMMU platforms, and causes trouble
on incoherrent architectures such as ARM when we access the page data
through both the direct and the virtual mapping.

The alternative is to use the direct mapping to access page data
for the case when we are not crossing a page boundary, but to copy
the data into a linear scratch buffer when we are accessing data
that spans page boundaries.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: stable@kernel.org  [2.6.37]
2011-01-10 14:45:01 -05:00
..
cache_lib.c
cache_lib.h
callback.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
callback.h
callback_proc.c NFS: change stateid to be a union 2010-10-24 18:02:53 -04:00
callback_xdr.c
client.c Merge branch 'for-2.6.37' of git://linux-nfs.org/~bfields/linux 2010-10-26 09:55:25 -07:00
delegation.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
delegation.h NFSv41: Fix nfs_async_inode_return_delegation() ugliness 2010-06-22 13:24:02 -04:00
dir.c NFS: Don't use vm_map_ram() in readdir 2011-01-10 14:45:01 -05:00
direct.c Pure nfs client performance using odirect. 2010-11-22 13:24:42 -05:00
dns_resolve.c sunrpc: use seconds since boot in expiry cache 2010-09-07 19:21:20 -04:00
dns_resolve.h NFS: Use kernel DNS resolver [ver #2] 2010-08-11 17:11:28 +00:00
file.c NFS: Fix fcntl F_GETLK not reporting some conflicts 2010-12-07 19:30:43 -05:00
fscache-index.c
fscache.c NFS: Squelch compiler warning 2010-05-14 15:09:31 -04:00
fscache.h
getroot.c new helper: ihold() 2010-10-25 21:26:11 -04:00
idmap.c nfs: testing the wrong variable 2010-10-28 11:18:00 -04:00
inode.c NFS: Fix a memory leak in nfs_readdir 2010-12-02 09:58:00 -05:00
internal.h NFS: Ensure we return the dirent->d_type when it is known 2010-11-22 13:24:48 -05:00
iostat.h NFS: Squelch compiler warning in nfs_add_server_stats() 2010-05-14 15:09:31 -04:00
Kconfig lockd: push lock_flocks down 2010-10-27 21:39:39 +02:00
Makefile NFSv4.1: pnfs: filelayout: add driver's LAYOUTGET and GETDEVICEINFO infrastructure 2010-10-24 18:07:11 -04:00
mount_clnt.c NFS: Fix panic after nfs_umount() 2010-12-10 13:01:50 -05:00
namespace.c NFS: Reduce the stack footprint of nfs_follow_mountpoint() 2010-05-14 15:09:22 -04:00
nfs2xdr.c NFS: Don't use vm_map_ram() in readdir 2011-01-10 14:45:01 -05:00
nfs3acl.c NFS: Reduce stack footprint of nfs3_proc_getacl() and nfs3_proc_setacl() 2010-05-14 15:09:28 -04:00
nfs3proc.c NFS: readdir with vmapped pages 2010-10-23 15:27:35 -04:00
nfs3xdr.c NFS: Don't use vm_map_ram() in readdir 2011-01-10 14:45:01 -05:00
nfs4_fs.h NFS: Readdir plus in v4 2010-10-23 15:27:37 -04:00
nfs4filelayout.c NFSv4.1: Use more sensible names for 'initialize_mountpoint' 2010-10-24 18:07:11 -04:00
nfs4filelayout.h NFSv4.1: pnfs: filelayout: add driver's LAYOUTGET and GETDEVICEINFO infrastructure 2010-10-24 18:07:11 -04:00
nfs4filelayoutdev.c NFSv4.1: pnfs: filelayout: add driver's LAYOUTGET and GETDEVICEINFO infrastructure 2010-10-24 18:07:11 -04:00
nfs4namespace.c NFSv4: Fix up the documentation for nfs_do_refmount 2010-05-14 15:09:29 -04:00
nfs4proc.c nfs: Discard ACL cache on mode update 2010-12-07 19:30:42 -05:00
nfs4renewd.c NFSv41: Convert the various reboot recovery ops etc to minor version ops 2010-06-22 13:24:02 -04:00
nfs4state.c Merge branch 'nfs-for-2.6.37' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 2010-10-26 09:52:09 -07:00
nfs4xdr.c NFS: Don't use vm_map_ram() in readdir 2011-01-10 14:45:01 -05:00
nfsroot.c NFS: Fix a compile issue in nfs_root 2010-10-26 13:56:42 -04:00
pagelist.c nfs: remove extraneous and problematic calls to nfs_clear_request 2010-12-07 23:02:44 -05:00
pnfs.c NFSv4.1: Use more sensible names for 'initialize_mountpoint' 2010-10-24 18:07:11 -04:00
pnfs.h NFSv4.1: Use more sensible names for 'initialize_mountpoint' 2010-10-24 18:07:11 -04:00
proc.c NFS: readdir with vmapped pages 2010-10-23 15:27:35 -04:00
read.c nfs: remove extraneous and problematic calls to nfs_clear_request 2010-12-07 23:02:44 -05:00
super.c nfs: kernel should return EPROTONOSUPPORT when not support NFSv4 2010-12-07 19:30:44 -05:00
symlink.c
sysctl.c NFS: new idmapper 2010-10-07 18:48:49 -04:00
unlink.c a couple of open-coded ihold() introduced by nfs merge 2010-10-29 04:14:48 -04:00
write.c nfs: remove extraneous and problematic calls to nfs_clear_request 2010-12-07 23:02:44 -05:00