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path: root/fs/nfs/dir.c
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2022-03-02NFS: Don't request readdirplus when revalidation was forcedTrond Myklebust
If the revalidation was forced, due to the presence of a LOOKUP_EXCL or a LOOKUP_REVAL flag, then readdirplus won't help. It also can't help when we're doing a path component lookup. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Readdirplus can't help lookup for case insensitive filesystemsTrond Myklebust
If the filesystem is case insensitive, then readdirplus can't help with cache misses, since it won't return case folded variants of the filename. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Improve heuristic for readdirplusTrond Myklebust
The heuristic for readdirplus is designed to try to detect 'ls -l' and similar patterns. It does so by looking for cache hit/miss patterns in both the attribute cache and in the dcache of the files in a given directory, and then sets a flag for the readdirplus code to interpret. The problem with this approach is that a single attribute or dcache miss can cause the NFS code to force a refresh of the attributes for the entire set of files contained in the directory. To be able to make a more nuanced decision, let's sample the number of hits and misses in the set of open directory descriptors. That allows us to set thresholds at which we start preferring READDIRPLUS over regular READDIR, or at which we start to force a re-read of the remaining readdir cache using READDIRPLUS. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Reduce use of uncached readdirTrond Myklebust
When reading a very large directory, we want to try to keep the page cache up to date if doing so is inexpensive. With the change to allow readdir to continue reading even when the cache is incomplete, we no longer need to fall back to uncached readdir in order to scale to large directories. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Simplify nfs_readdir_xdr_to_array()Trond Myklebust
Recent changes to readdir mean that we can cope with partially filled page cache entries, so we no longer need to rely on looping in nfs_readdir_xdr_to_array(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: If the cookie verifier changes, we must invalidate the page cacheTrond Myklebust
Ensure that if the cookie verifier changes when we use the zero-valued cookie, then we invalidate any cached pages. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Adjust the amount of readahead performed by NFS readdirTrond Myklebust
The current NFS readdir code will always try to maximise the amount of readahead it performs on the assumption that we can cache anything that isn't immediately read by the process. There are several cases where this assumption breaks down, including when the 'ls -l' heuristic kicks in to try to force use of readdirplus as a batch replacement for lookup/getattr. This patch therefore tries to tone down the amount of readahead we perform, and adjust it to try to match the amount of data being requested by user space. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Don't advance the page pointer unless the page is fullTrond Myklebust
When we hit the end of the data in the readdir page, we don't want to start filling a new page, unless this one is full. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Don't re-read the entire page cache to find the next cookieTrond Myklebust
If the page cache entry that was last read gets invalidated for some reason, then make sure we can re-create it on the next call to readdir. This, combined with the cache page validation, allows us to reuse the cached value of page-index on successive calls to nfs_readdir. Credit is due to Benjamin Coddington for showing that the concept works, and that it allows for improved cache sharing between processes even in the case where pages are lost due to LRU or active invalidation. Suggested-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-02NFS: Store the change attribute in the directory page cacheTrond Myklebust
Use the change attribute and the first cookie in a directory page cache entry to validate that the page is up to date. Suggested-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-28NFS: Calculate page offsets algorithmicallyTrond Myklebust
Instead of relying on counting the page offsets as we walk through the page cache, switch to calculating them algorithmically. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-28NFS: Use kzalloc() to avoid initialising the nfs_open_dir_contextTrond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-28NFS: Initialise the readdir verifier as best we can in nfs_opendir()Trond Myklebust
For the purpose of ensuring that opendir() followed by seekdir() work as correctly as possible, try to initialise the readdir verifier in nfs_opendir(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-28NFS: Trace lookup revalidation failureTrond Myklebust
Enable tracing of lookup revalidation failures. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-25NFS: Clean up NFSv4.2 xattrsTrond Myklebust
Add a helper for the xattr mask so that we can get rid of the inlined ifdefs. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-25NFSv4.1 support for NFS4_RESULT_PRESERVER_UNLINKEDOlga Kornievskaia
In 4.1+, the server is allowed to set a flag NFS4_RESULT_PRESERVE_UNLINKED in reply to the OPEN, that tells the client that it does not need to do a silly rename of an opened file when it's being removed. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-25NFS: Charge open/lock file contexts to kmemcgTrond Myklebust
Allow kmemcg to limit the number of open/lock file contexts, in the same way that it limits the parent file descriptors. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-02-14NFS: LOOKUP_DIRECTORY is also ok with symlinksTrond Myklebust
Commit ac795161c936 (NFSv4: Handle case where the lookup of a directory fails) [1], part of Linux since 5.17-rc2, introduced a regression, where a symbolic link on an NFS mount to a directory on another NFS does not resolve(?) the first time it is accessed: Reported-by: Paul Menzel <pmenzel@molgen.mpg.de> Fixes: ac795161c936 ("NFSv4: Handle case where the lookup of a directory fails") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Donald Buczek <buczek@molgen.mpg.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-02-02NFS: Avoid duplicate uncached readdir calls on eofTrond Myklebust
If we've reached the end of the directory, then cache that information in the context so that we don't need to do an uncached readdir in order to rediscover that fact. Fixes: 794092c57f89 ("NFS: Do uncached readdir when we're seeking a cookie in an empty page cache") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-02-02NFS: Don't skip directory entries when doing uncached readdirtrondmy@kernel.org
Ensure that we initialise desc->cache_entry_index correctly in uncached_readdir(). Fixes: d1bacf9eb2fd ("NFS: add readdir cache array") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-02-02NFS: Don't overfill uncached readdir pagestrondmy@kernel.org
If we're doing an uncached read of the directory, then we ideally want to read only the exact set of entries that will fit in the buffer supplied by the getdents() system call. So unlike the case where we're reading into the page cache, let's send only one READDIR call, before trying to fill up the buffer. Fixes: 35df59d3ef69 ("NFS: Reduce number of RPC calls when doing uncached readdir") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-25Merge tag 'nfs-for-5.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds
Pull NFS client updates from Anna Schumaker: "New Features: - Basic handling for case insensitive filesystems - Initial support for fs_locations and server trunking Bugfixes and Cleanups: - Cleanups to how the "struct cred *" is handled for the nfs_access_entry - Ensure the server has an up to date ctimes before hardlinking or renaming - Update 'blocks used' after writeback, fallocate, and clone - nfs_atomic_open() fixes - Improvements to sunrpc tracing - Various null check & indenting related cleanups - Some improvements to the sunrpc sysfs code: - Use default_groups in kobj_type - Fix some potential races and reference leaks - A few tracepoint cleanups in xprtrdma" [ This should have gone in during the merge window, but didn't. The original pull request - sent during the merge window - had gotten marked as spam and discarded due missing DKIM headers in the email from Anna. - Linus ] * tag 'nfs-for-5.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (35 commits) SUNRPC: Don't dereference xprt->snd_task if it's a cookie xprtrdma: Remove definitions of RPCDBG_FACILITY xprtrdma: Remove final dprintk call sites from xprtrdma sunrpc: Fix potential race conditions in rpc_sysfs_xprt_state_change() net/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change NFSv4.1 test and add 4.1 trunking transport SUNRPC allow for unspecified transport time in rpc_clnt_add_xprt NFSv4 handle port presence in fs_location server string NFSv4 expose nfs_parse_server_name function NFSv4.1 query for fs_location attr on a new file system NFSv4 store server support for fs_location attribute NFSv4 remove zero number of fs_locations entries error check NFSv4: nfs_atomic_open() can race when looking up a non-regular file NFSv4: Handle case where the lookup of a directory fails NFSv42: Fallocate and clone should also request 'blocks used' NFSv4: Allow writebacks to request 'blocks used' SUNRPC: use default_groups in kobj_type NFS: use default_groups in kobj_type NFS: Fix the verifier for case sensitive filesystem in nfs_atomic_open() NFS: Add a helper to remove case-insensitive aliases ...
2022-01-07NFSv4: nfs_atomic_open() can race when looking up a non-regular fileTrond Myklebust
If the file type changes back to being a regular file on the server between the failed OPEN and our LOOKUP, then we need to re-run the OPEN. Fixes: 0dd2b474d0b6 ("nfs: implement i_op->atomic_open()") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-07NFSv4: Handle case where the lookup of a directory failsTrond Myklebust
If the application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() will punt to doing a regular lookup. If the server then returns a regular file, we will happily return a file descriptor with uninitialised open state. The fix is to return the expected ENOTDIR error in these cases. Reported-by: Lyu Tao <tao.lyu@epfl.ch> Fixes: 0dd2b474d0b6 ("nfs: implement i_op->atomic_open()") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: Fix the verifier for case sensitive filesystem in nfs_atomic_open()Trond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: Add a helper to remove case-insensitive aliasesTrond Myklebust
When dealing with case insensitive names, the client has no idea how the server performs the mapping, so cannot collapse the dentries into a single representative. So both rename and unlink need to deal with the fact that there could be several dentries representing the file, and have to somehow force them to be revalidated. Use d_prune_aliases() as a big hammer approach. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: Invalidate negative dentries on all case insensitive directory changesTrond Myklebust
If we create a file, rename it, or hardlink it, then we need to assume that cached negative dentries need to be revalidated. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFSv4: Just don't cache negative dentries on case insensitive serversTrond Myklebust
If the directory contents change, we cannot rely on the negative dentry being cacheable. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: Ensure the server has an up to date ctime before renamingTrond Myklebust
Renaming a file is required by POSIX to update the file ctime, so ensure that the file data is synced to disk so that we don't clobber the updated ctime by writing back after creating the hard link. Fixes: f2c2c552f119 ("NFS: Move delegation recall into the NFSv4 callback for rename_setup()") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: Ensure the server has an up to date ctime before hardlinkingTrond Myklebust
Creating a hard link is required by POSIX to update the file ctime, so ensure that the file data is synced to disk so that we don't clobber the updated ctime by writing back after creating the hard link. Fixes: 9f7682728728 ("NFS: Move the delegation return down into nfs4_proc_link()") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: don't store 'struct cred *' in struct nfs_access_entryNeilBrown
Storing the 'struct cred *' in nfs_access_entry is problematic. An active 'cred' can keep a 'struct key *' active, and a quota is imposed on the number of such keys that a user can maintain. Cached 'nfs_access_entry' structs have indefinite lifetime, and having these keep 'struct key's alive imposes on that quota. So remove the 'struct cred *' and replace it with the fields we need: kuid_t, kgid_t, and struct group_info * This makes the 'struct nfs_access_entry' 64 bits larger. New function "access_cmp" is introduced which is identical to cred_fscmp() except that the second arg is an 'nfs_access_entry', rather than a 'cred' Fixes: b68572e07c58 ("NFS: change access cache to use 'struct cred'.") Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: pass cred explicitly for access testsNeilBrown
Storing the 'struct cred *' in nfs_access_entry is problematic. An active 'cred' can keep a 'struct key *' active, and a quota is imposed on the number of such keys that a user can maintain. Cached 'nfs_access_entry' structs have indefinite lifetime, and having these keep 'struct key's alive imposes on that quota. So a future patch will remove the ->cred ref from nfs_access_entry. To prepare, change various functions to not assume there is a 'cred' in the nfs_access_entry, but to pass the cred around explicitly. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-01-06NFS: change nfs_access_get_cached to only report the maskNeilBrown
Currently the nfs_access_get_cached family of functions report a 'struct nfs_access_entry' as the result, with both .mask and .cred set. However the .cred is never used. This is probably good and there is no guarantee that it won't be freed before use. Change to only report the 'mask' - as this is all that is used or needed. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2021-12-29net: Don't include filter.h from net/sock.hJakub Kicinski
sock.h is pretty heavily used (5k objects rebuilt on x86 after it's touched). We can drop the include of filter.h from it and add a forward declaration of struct sk_filter instead. This decreases the number of rebuilt objects when bpf.h is touched from ~5k to ~1k. There's a lot of missing includes this was masking. Primarily in networking tho, this time. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com> Acked-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.kernel.org/bpf/20211229004913.513372-1-kuba@kernel.org
2021-11-05NFS: Remove the nfs4_label argument from nfs_setsecurityAnna Schumaker
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-05NFS: Remove the nfs4_label argument from nfs_fhget()Anna Schumaker
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-05NFS: Remove the nfs4_label argument from nfs_add_or_obtain()Anna Schumaker
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-05NFS: Remove the nfs4_label argument from nfs_instantiate()Anna Schumaker
Pull the label from the fattr instead. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-05NFS: Remove the nfs4_label from the nfs4_getattr_resAnna Schumaker
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-05NFS: Remove the label from the nfs4_lookup_res structAnna Schumaker
And usethe fattr's label field instead. I also adjust function calls to remove labels along the way. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-05NFS: Remove the nfs4_label from the nfs_entry structAnna Schumaker
And instead allocate the fattr using nfs_alloc_fattr_with_label() Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-05NFS: Don't trace an uninitialised valueTrond Myklebust
If fhandle is NULL or fattr is NULL, then 'error' is uninitialised. Reported-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org>
2021-10-03NFS: Do not flush the readdir cache in nfs_dentry_iput()Trond Myklebust
The original premise in commit 83672d392f7b ("NFS: Fix directory caching problem - with test case and patch.") was that readdirplus was caching attribute information and replaying it later. This is no longer the case. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-10-03NFS: Fix dentry verifier racesTrond Myklebust
If the directory changed while we were revalidating the dentry, then don't update the dentry verifier. There is no value in setting the verifier to an older value, and we could end up overwriting a more up to date verifier from a parallel revalidation. Fixes: efeda80da38d ("NFSv4: Fix revalidation of dentries with delegations") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Benjamin Coddington <bcodding@redhat.com> Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
2021-10-03NFS: Further optimisations for 'ls -l'Trond Myklebust
If a user is doing 'ls -l', we have a heuristic in GETATTR that tells the readdir code to try to use READDIRPLUS in order to refresh the inode attributes. In certain cirumstances, we also try to invalidate the remaining directory entries in order to ensure this refresh. If there are multiple readers of the directory, we probably should avoid invalidating the page cache, since the heuristic breaks down in that situation anyway. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Benjamin Coddington <bcodding@redhat.com> Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
2021-10-03NFS: Fix up nfs_readdir_inode_mapping_valid()Trond Myklebust
The check for duplicate readdir cookies should only care if the change attribute is invalid or the data cache is invalid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Benjamin Coddington <bcodding@redhat.com> Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
2021-10-03NFS: Ignore the directory size when marking for revalidationTrond Myklebust
If we want to revalidate the directory, then just mark the change attribute as invalid. Fixes: 13c0b082b6a9 ("NFS: Replace use of NFS_INO_REVAL_PAGECACHE when checking cache validity") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Benjamin Coddington <bcodding@redhat.com> Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
2021-10-03NFS: Label the dentry with a verifier in nfs_rmdir() and nfs_unlink()Trond Myklebust
After the success of an operation such as rmdir() or unlink(), we expect to add the dentry back to the dcache as an ordinary negative dentry. However in NFS, unless it is labelled with the appropriate verifier for the parent directory state, then nfs_lookup_revalidate will end up discarding that dentry and forcing a new lookup. The fix is to ensure that we relabel the dentry appropriately on success. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-10-03NFS: Label the dentry with a verifier in nfs_link(), nfs_symlink()Trond Myklebust
After the success of an operation such as link(), or symlink(), we expect to add the dentry back to the dcache as an ordinary positive dentry. However in NFS, unless it is labelled with the appropriate verifier for the parent directory state, then nfs_lookup_revalidate will end up discarding that dentry and forcing a new lookup. The fix is to ensure that we relabel the dentry appropriately on success. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-07Merge tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds
Pull NFS client updates from Trond Myklebust: "Highlights include: Stable fixes: - Add validation of the UDP retrans parameter to prevent shift out-of-bounds - Don't discard pNFS layout segments that are marked for return Bugfixes: - Fix a NULL dereference crash in xprt_complete_bc_request() when the NFSv4.1 server misbehaves. - Fix the handling of NFS READDIR cookie verifiers - Sundry fixes to ensure attribute revalidation works correctly when the server does not return post-op attributes. - nfs4_bitmask_adjust() must not change the server global bitmasks - Fix major timeout handling in the RPC code. - NFSv4.2 fallocate() fixes. - Fix the NFSv4.2 SEEK_HOLE/SEEK_DATA end-of-file handling - Copy offload attribute revalidation fixes - Fix an incorrect filehandle size check in the pNFS flexfiles driver - Fix several RDMA transport setup/teardown races - Fix several RDMA queue wrapping issues - Fix a misplaced memory read barrier in sunrpc's call_decode() Features: - Micro optimisation of the TCP transmission queue using TCP_CORK - statx() performance improvements by further splitting up the tracking of invalid cached file metadata. - Support the NFSv4.2 'change_attr_type' attribute and use it to optimise handling of change attribute updates" * tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (85 commits) xprtrdma: Fix a NULL dereference in frwr_unmap_sync() sunrpc: Fix misplaced barrier in call_decode NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC code. xprtrdma: Move fr_mr field to struct rpcrdma_mr xprtrdma: Move the Work Request union to struct rpcrdma_mr xprtrdma: Move fr_linv_done field to struct rpcrdma_mr xprtrdma: Move cqe to struct rpcrdma_mr xprtrdma: Move fr_cid to struct rpcrdma_mr xprtrdma: Remove the RPC/RDMA QP event handler xprtrdma: Don't display r_xprt memory addresses in tracepoints xprtrdma: Add an rpcrdma_mr_completion_class xprtrdma: Add tracepoints showing FastReg WRs and remote invalidation xprtrdma: Avoid Send Queue wrapping xprtrdma: Do not wake RPC consumer on a failed LocalInv xprtrdma: Do not recycle MR after FastReg/LocalInv flushes xprtrdma: Clarify use of barrier in frwr_wc_localinv_done() xprtrdma: Rename frwr_release_mr() xprtrdma: rpcrdma_mr_pop() already does list_del_init() xprtrdma: Delete rpcrdma_recv_buffer_put() xprtrdma: Fix cwnd update ordering ...
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