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linux-stable/fs/nfs
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Trond Myklebust 648a4548d6 NFS: Don't deadlock when cookie hashes collide 
In the very rare case where the readdir reply contains multiple cookies
that map to the same hash value, we can end up deadlocking waiting for a
page lock that we already hold. In this case we should fail the page
lock by using grab_cache_page_nowait().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-22 09:14:39 -04:00
..
blocklayout nfs/blocklayout: use bdev_nr_bytes instead of open coding it 2021-10-18 14:43:23 -06:00
filelayout nfs41: pnfs: filelayout: Replace one-element array with flexible-array member 2022-01-06 14:00:20 -05:00
flexfilelayout NFSv4/flexfiles: Convert GFP_NOFS to GFP_KERNEL 2022-02-25 18:50:12 -05:00
cache_lib.c
cache_lib.h
callback.c Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
callback.h NFSv4.1: Fix uninitialised variable in devicenotify 2022-01-06 14:00:20 -05:00
callback_proc.c NFSv4.2/copyoffload: Convert GFP_NOFS to GFP_KERNEL 2022-02-25 18:50:12 -05:00
callback_xdr.c NFS: remove unneeded check in decode_devicenotify_args() 2022-03-13 12:59:34 -04:00
client.c NFSv4.1 provide mount option to toggle trunking discovery 2022-03-21 10:36:49 -04:00
delegation.c NFSv4: Charge NFSv4 open state trackers to kmemcg 2022-02-25 18:50:12 -05:00
delegation.h NFSv4: Fix delegation return in cases where we have to retry 2021-06-13 19:36:27 -04:00
dir.c NFS: Don't deadlock when cookie hashes collide 2022-03-22 09:14:39 -04:00
direct.c NFS: swap-out must always use STABLE writes. 2022-03-13 12:59:35 -04:00
dns_resolve.c NFS: remove duplicate headers 2020-05-27 10:10:12 -04:00
dns_resolve.h
export.c nfs: block notification on fs with its own ->lock 2022-01-08 14:42:01 -05:00
file.c NFS: swap IO handling is slightly different for O_DIRECT IO 2022-03-13 12:59:35 -04:00
fs_context.c NFSv4.1 provide mount option to toggle trunking discovery 2022-03-21 10:36:49 -04:00
fscache.c NFS: Remove remaining dfprintks related to fscache and remove NFSDBG_FSCACHE 2022-03-13 12:59:35 -04:00
fscache.h NFS: Rename fscache read and write pages functions 2022-03-13 12:59:35 -04:00
getroot.c NFS: Remove the nfs4_label argument from nfs_setsecurity 2021-11-05 14:54:40 -04:00
inode.c NFS: Don't ask for readdirplus unless it can help nfs_getattr() 2022-03-02 08:43:38 -05:00
internal.h NFS: Improve heuristic for readdirplus 2022-03-02 08:43:38 -05:00
io.c NFS: Fix up incorrect documentation 2021-04-05 09:04:20 -04:00
iostat.h
Kconfig NFS: Convert readdir page cache to use a cookie based index 2022-03-02 08:43:39 -05:00
Makefile nfs: Convert to new fscache volume/cookie API 2022-01-10 11:53:25 +00:00
mount_clnt.c nfs: hornor timeo and retrans option when mounting NFSv3 2021-04-05 09:04:21 -04:00
namespace.c NFS: Remove the label from the nfs4_lookup_res struct 2021-11-05 14:54:39 -04:00
netns.h
nfs.h
nfs2super.c
nfs2xdr.c NFS: Optimise away the previous cookie field 2022-03-02 08:43:39 -05:00
nfs3_fs.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
nfs3acl.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
nfs3client.c NFS: Additional refactoring for fs_context conversion 2020-01-15 10:15:17 -05:00
nfs3proc.c NFS: pass cred explicitly for access tests 2022-01-06 14:00:20 -05:00
nfs3super.c
nfs3xdr.c NFS: Optimise away the previous cookie field 2022-03-02 08:43:39 -05:00
nfs4_fs.h NFSv4: keep state manager thread active if swap is enabled 2022-03-13 12:59:35 -04:00
nfs4client.c nfs: nfs4clinet: check the return value of kstrdup() 2022-01-06 14:00:20 -05:00
nfs4file.c NFSv4.2/copyoffload: Convert GFP_NOFS to GFP_KERNEL 2022-02-25 18:50:12 -05:00
nfs4getroot.c
nfs4idmap.c Fix user namespace leak 2021-10-20 18:09:54 -04:00
nfs4idmap.h
nfs4namespace.c NFSv4 handle port presence in fs_location server string 2022-01-13 09:36:58 -05:00
nfs4proc.c NFSv4: keep state manager thread active if swap is enabled 2022-03-13 12:59:35 -04:00
nfs4renewd.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
nfs4session.c NFSv4: Sanity check the parameters in nfs41_update_target_slotid() 2021-11-07 09:23:14 -05:00
nfs4session.h NFSv4: Sanity check the parameters in nfs41_update_target_slotid() 2021-11-07 09:23:14 -05:00
nfs4state.c NFSv4: keep state manager thread active if swap is enabled 2022-03-13 12:59:35 -04:00
nfs4super.c NFS: Adjust fs_context error logging 2021-01-10 13:32:39 -05:00
nfs4sysctl.c
nfs4trace.c pNFS/flexfiles: Add tracing for layout errors 2020-01-15 10:54:33 -05:00
nfs4trace.h NFSv4.2 add tracepoint to OFFLOAD_CANCEL 2021-11-04 19:43:30 -04:00
nfs4xdr.c NFS: Optimise away the previous cookie field 2022-03-02 08:43:39 -05:00
nfs42.h NFSv4.2: add the extended attribute proc functions. 2020-07-13 17:52:45 -04:00
nfs42proc.c NFSv4.2/copyoffload: Convert GFP_NOFS to GFP_KERNEL 2022-02-25 18:50:12 -05:00
nfs42xattr.c NFSv4.2: Fix up an invalid combination of memory allocation flags 2022-02-25 18:50:12 -05:00
nfs42xdr.c NFSv42: Don't fail clone() unless the OP_CLONE operation failed 2021-11-17 14:08:23 -05:00
nfsroot.c nfsroot: Default mount option should ask for built-in NFS version 2020-11-02 10:29:03 -05:00
nfstrace.c NFSv4: Catch and trace server filehandle encoding errors 2021-04-14 09:36:29 -04:00
nfstrace.h NFS: Replace dfprintks with tracepoints in fscache read and write page functions 2022-03-13 12:59:35 -04:00
pagelist.c SUNRPC: Trace calls to .rpc_call_done 2021-10-20 18:09:54 -04:00
pnfs.c NFS: Convert GFP_NOFS to GFP_KERNEL 2022-02-25 18:50:12 -05:00
pnfs.h NFS: Move NFS protocol display macros to global header 2021-11-02 12:31:23 -04:00
pnfs_dev.c NFSv4/pnfs: Add tracing for the deviceid cache 2020-12-16 17:25:24 -05:00
pnfs_nfs.c NFS: Fix up commit deadlocks 2021-10-20 18:09:45 -04:00
proc.c NFS: NFSv2/v3 clients should never be setting NFS_CAP_XATTR 2022-02-25 18:50:13 -05:00
read.c NFS: discard NFS_RPC_SWAPFLAGS and RPC_TASK_ROOTCREDS 2022-03-13 12:59:35 -04:00
super.c nfs: Convert to new fscache volume/cookie API 2022-01-10 11:53:25 +00:00
symlink.c
sysctl.c
sysfs.c Revert "NFSv4: use unique client identifiers in network namespaces" 2022-02-28 10:09:23 -05:00
sysfs.h NFSv4: Fix up RCU annotations for struct nfs_netns_client 2020-10-15 13:31:08 -04:00
unlink.c NFS: Fix open coded versions of nfs_set_cache_invalid() 2021-03-08 16:13:55 -05:00
write.c SUNRPC: improve 'swap' handling: scheduling and PF_MEMALLOC 2022-03-13 12:59:35 -04:00