From: trondmy@kernel.org
To: linux-nfs@vger.kernel.org
Subject: [PATCH v10 22/26] NFS: Clean up page array initialisation/free
Date: Sun, 13 Mar 2022 13:05:53 -0400 [thread overview]
Message-ID: <20220313170557.5940-23-trondmy@kernel.org> (raw)
In-Reply-To: <20220313170557.5940-22-trondmy@kernel.org>
From: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
fs/nfs/dir.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 8a246df98db5..4983950de2ad 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -199,20 +199,17 @@ static void nfs_grow_dtsize(struct nfs_readdir_descriptor *desc)
nfs_set_dtsize(desc, desc->dtsize << 1);
}
-static void nfs_readdir_array_init(struct nfs_cache_array *array)
-{
- memset(array, 0, sizeof(struct nfs_cache_array));
-}
-
static void nfs_readdir_page_init_array(struct page *page, u64 last_cookie,
u64 change_attr)
{
struct nfs_cache_array *array;
array = kmap_atomic(page);
- nfs_readdir_array_init(array);
array->change_attr = change_attr;
array->last_cookie = last_cookie;
+ array->size = 0;
+ array->page_full = 0;
+ array->page_is_eof = 0;
array->cookies_are_ordered = 1;
kunmap_atomic(array);
}
@@ -220,16 +217,15 @@ static void nfs_readdir_page_init_array(struct page *page, u64 last_cookie,
/*
* we are freeing strings created by nfs_add_to_readdir_array()
*/
-static
-void nfs_readdir_clear_array(struct page *page)
+static void nfs_readdir_clear_array(struct page *page)
{
struct nfs_cache_array *array;
- int i;
+ unsigned int i;
array = kmap_atomic(page);
for (i = 0; i < array->size; i++)
kfree(array->array[i].name);
- nfs_readdir_array_init(array);
+ array->size = 0;
kunmap_atomic(array);
}
--
2.35.1
next prev parent reply other threads:[~2022-03-13 17:12 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-13 17:05 [PATCH v10 00/26] Readdir improvements trondmy
2022-03-13 17:05 ` [PATCH v10 01/26] NFS: Return valid errors from nfs2/3_decode_dirent() trondmy
2022-03-13 17:05 ` [PATCH v10 02/26] NFS: constify nfs_server_capable() and nfs_have_writebacks() trondmy
2022-03-13 17:05 ` [PATCH v10 03/26] NFS: Trace lookup revalidation failure trondmy
2022-03-13 17:05 ` [PATCH v10 04/26] NFS: Initialise the readdir verifier as best we can in nfs_opendir() trondmy
2022-03-13 17:05 ` [PATCH v10 05/26] NFS: Use kzalloc() to avoid initialising the nfs_open_dir_context trondmy
2022-03-13 17:05 ` [PATCH v10 06/26] NFS: Calculate page offsets algorithmically trondmy
2022-03-13 17:05 ` [PATCH v10 07/26] NFS: Store the change attribute in the directory page cache trondmy
2022-03-13 17:05 ` [PATCH v10 08/26] NFS: Don't re-read the entire page cache to find the next cookie trondmy
2022-03-13 17:05 ` [PATCH v10 09/26] NFS: Don't advance the page pointer unless the page is full trondmy
2022-03-13 17:05 ` [PATCH v10 10/26] NFS: Adjust the amount of readahead performed by NFS readdir trondmy
2022-03-13 17:05 ` [PATCH v10 11/26] NFS: If the cookie verifier changes, we must invalidate the page cache trondmy
2022-03-13 17:05 ` [PATCH v10 12/26] NFS: Simplify nfs_readdir_xdr_to_array() trondmy
2022-03-13 17:05 ` [PATCH v10 13/26] NFS: Reduce use of uncached readdir trondmy
2022-03-13 17:05 ` [PATCH v10 14/26] NFS: Improve heuristic for readdirplus trondmy
2022-03-13 17:05 ` [PATCH v10 15/26] NFS: Don't ask for readdirplus unless it can help nfs_getattr() trondmy
2022-03-13 17:05 ` [PATCH v10 16/26] NFSv4: Ask for a full XDR buffer of readdir goodness trondmy
2022-03-13 17:05 ` [PATCH v10 17/26] NFS: Readdirplus can't help lookup for case insensitive filesystems trondmy
2022-03-13 17:05 ` [PATCH v10 18/26] NFS: Don't request readdirplus when revalidation was forced trondmy
2022-03-13 17:05 ` [PATCH v10 19/26] NFS: Add basic readdir tracing trondmy
2022-03-13 17:05 ` [PATCH v10 20/26] NFS: Trace effects of readdirplus on the dcache trondmy
2022-03-13 17:05 ` [PATCH v10 21/26] NFS: Trace effects of the readdirplus heuristic trondmy
2022-03-13 17:05 ` trondmy [this message]
2022-03-13 17:05 ` [PATCH v10 23/26] NFS: Convert readdir page cache to use a cookie based index trondmy
2022-03-13 17:05 ` [PATCH v10 24/26] NFS: Fix up forced readdirplus trondmy
2022-03-13 17:05 ` [PATCH v10 25/26] NFS: Optimise away the previous cookie field trondmy
2022-03-13 17:05 ` [PATCH v10 26/26] NFS: Cache all entries in the readdirplus reply trondmy
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