From: trondmy@kernel.org
To: linux-nfs@vger.kernel.org
Subject: [PATCH v4 09/21] NFS: Replace kmap() with kmap_atomic() in nfs_readdir_search_array()
Date: Sat, 7 Nov 2020 09:03:13 -0500 [thread overview]
Message-ID: <20201107140325.281678-10-trondmy@kernel.org> (raw)
In-Reply-To: <20201107140325.281678-9-trondmy@kernel.org>
From: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
fs/nfs/dir.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index e8b0fcc1bc9e..b9001123ec84 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -447,7 +447,7 @@ int nfs_readdir_search_array(nfs_readdir_descriptor_t *desc)
struct nfs_cache_array *array;
int status;
- array = kmap(desc->page);
+ array = kmap_atomic(desc->page);
if (desc->dir_cookie == 0)
status = nfs_readdir_search_for_pos(array, desc);
@@ -459,7 +459,7 @@ int nfs_readdir_search_array(nfs_readdir_descriptor_t *desc)
desc->current_index += array->size;
desc->page_index++;
}
- kunmap(desc->page);
+ kunmap_atomic(array);
return status;
}
--
2.28.0
next prev parent reply other threads:[~2020-11-07 14:13 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-07 14:03 [PATCH v4 00/21] Readdir enhancements trondmy
2020-11-07 14:03 ` [PATCH v4 01/21] NFS: Remove unnecessary inode locking in nfs_llseek_dir() trondmy
2020-11-07 14:03 ` [PATCH v4 02/21] NFS: Remove unnecessary inode lock in nfs_fsync_dir() trondmy
2020-11-07 14:03 ` [PATCH v4 03/21] NFS: Ensure contents of struct nfs_open_dir_context are consistent trondmy
2020-11-07 14:03 ` [PATCH v4 04/21] NFS: Clean up readdir struct nfs_cache_array trondmy
2020-11-07 14:03 ` [PATCH v4 05/21] NFS: Clean up nfs_readdir_page_filler() trondmy
2020-11-07 14:03 ` [PATCH v4 06/21] NFS: Clean up directory array handling trondmy
2020-11-07 14:03 ` [PATCH v4 07/21] NFS: Don't discard readdir results trondmy
2020-11-07 14:03 ` [PATCH v4 08/21] NFS: Remove unnecessary kmap in nfs_readdir_xdr_to_array() trondmy
2020-11-07 14:03 ` trondmy [this message]
2020-11-07 14:03 ` [PATCH v4 10/21] NFS: Simplify struct nfs_cache_array_entry trondmy
2020-11-07 14:03 ` [PATCH v4 11/21] NFS: Support larger readdir buffers trondmy
2020-11-07 14:03 ` [PATCH v4 12/21] NFS: More readdir cleanups trondmy
2020-11-07 14:03 ` [PATCH v4 13/21] NFS: nfs_do_filldir() does not return a value trondmy
2020-11-07 14:03 ` [PATCH v4 14/21] NFS: Reduce readdir stack usage trondmy
2020-11-07 14:03 ` [PATCH v4 15/21] NFS: Cleanup to remove nfs_readdir_descriptor_t typedef trondmy
2020-11-07 14:03 ` [PATCH v4 16/21] NFS: Allow the NFS generic code to pass in a verifier to readdir trondmy
2020-11-07 14:03 ` [PATCH v4 17/21] NFS: Handle NFS4ERR_NOT_SAME and NFSERR_BADCOOKIE from readdir calls trondmy
2020-11-07 14:03 ` [PATCH v4 18/21] NFS: Improve handling of directory verifiers trondmy
2020-11-07 14:03 ` [PATCH v4 19/21] NFS: Optimisations for monotonically increasing readdir cookies trondmy
2020-11-07 14:03 ` [PATCH v4 20/21] NFS: Reduce number of RPC calls when doing uncached readdir trondmy
2020-11-07 14:03 ` [PATCH v4 21/21] NFS: Do uncached readdir when we're seeking a cookie in an empty page cache trondmy
2020-11-09 21:41 ` Benjamin Coddington
2020-11-09 21:46 ` Trond Myklebust
2020-11-11 16:43 ` Benjamin Coddington
2020-11-11 17:34 ` Trond Myklebust
2020-11-11 19:53 ` Benjamin Coddington
2020-11-11 20:11 ` Trond Myklebust
2020-11-10 14:48 ` David Wysochanski
2020-11-10 20:55 ` Trond Myklebust
2020-11-09 20:59 ` [PATCH v4 20/21] NFS: Reduce number of RPC calls when doing uncached readdir Benjamin Coddington
2020-11-09 13:15 ` [PATCH v4 00/21] Readdir enhancements David Wysochanski
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