From: Jan Kara <jack@suse.cz>
To: Matthew Wilcox <willy@infradead.org>
Cc: <linux-fsdevel@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>, Jan Kara <jack@suse.cz>
Subject: [PATCH 10/23] dax: Convert xas_store() to xas_store_noinit()
Date: Wed, 22 Apr 2020 17:02:43 +0200 [thread overview]
Message-ID: <20200422150256.23473-11-jack@suse.cz> (raw)
In-Reply-To: <20200422150256.23473-1-jack@suse.cz>
All remaining users of xas_store() store non-NULL entries so xas_store()
and xas_store_noinit() are equivalent. Replace xas_store() with
xas_store_noinit().
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/dax.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/dax.c b/fs/dax.c
index 03c6ca693f3c..1c905830ee10 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -283,7 +283,7 @@ static void dax_unlock_entry(struct xa_state *xas, void *entry)
BUG_ON(dax_is_locked(entry));
xas_reset(xas);
xas_lock_irq(xas);
- old = xas_store(xas, entry);
+ old = xas_store_noinit(xas, entry);
xas_unlock_irq(xas);
BUG_ON(!dax_is_locked(old));
dax_wake_entry(xas, entry, false);
@@ -295,7 +295,7 @@ static void dax_unlock_entry(struct xa_state *xas, void *entry)
static void *dax_lock_entry(struct xa_state *xas, void *entry)
{
unsigned long v = xa_to_value(entry);
- return xas_store(xas, xa_mk_value(v | DAX_LOCKED));
+ return xas_store_noinit(xas, xa_mk_value(v | DAX_LOCKED));
}
static unsigned long dax_entry_size(void *entry)
@@ -923,7 +923,7 @@ static int dax_writeback_one(struct xa_state *xas, struct dax_device *dax_dev,
*/
xas_reset(xas);
xas_lock_irq(xas);
- xas_store(xas, entry);
+ xas_store_noinit(xas, entry);
xas_clear_mark(xas, PAGECACHE_TAG_DIRTY);
dax_wake_entry(xas, entry, false);
--
2.16.4
next prev parent reply other threads:[~2020-04-22 15:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 15:02 [PATCH 0/23 v2] mm: Speedup page cache truncation Jan Kara
2020-04-22 15:02 ` [PATCH 01/23] xarray: Remove stale comment Jan Kara
2020-04-22 15:02 ` [PATCH 02/23] xarray: Provide xas_erase() and xas_store_noinit() helpers Jan Kara
2020-04-22 15:02 ` [PATCH 03/23] xarray: Use xas_store_noinit() in __xa_store, __xa_insert, __xa_alloc Jan Kara
2020-04-22 15:02 ` [PATCH 04/23] xarray: Switch xa_store_range() to use xas_store_noinit() Jan Kara
2020-04-22 15:02 ` [PATCH 05/23] xarray: Use xas_erase() in __xa_erase() Jan Kara
2020-04-22 15:02 ` [PATCH 06/23] xarray: Explicitely set XA_FREE_MARK in __xa_cmpxchg() Jan Kara
2020-04-22 15:02 ` [PATCH 07/23] xarray: Switch __xa_cmpxchg() to use xas_store_noinit() Jan Kara
2020-04-22 15:02 ` [PATCH 08/23] dax: Use xas_erase() in __dax_invalidate_entry() Jan Kara
2020-04-22 15:02 ` [PATCH 09/23] dax: Use dax_store_noinit() in grab_mapping_entry() Jan Kara
2020-04-22 15:02 ` Jan Kara [this message]
2020-04-22 15:02 ` [PATCH 11/23] mm: Use xas_erase() in page_cache_delete_batch() Jan Kara
2020-04-22 15:02 ` [PATCH 12/23] mm: Use xas_erase() in collapse_file() Jan Kara
2020-04-22 15:02 ` [PATCH 13/23] mm: Use xas_store_noinit() when storing non-NULL Jan Kara
2020-04-22 15:02 ` [PATCH 14/23] workingset: Use xas_store_noinit() to clear shadow entry Jan Kara
2020-04-22 15:02 ` [PATCH 15/23] swap: Use xas_erase() when removing page from swap cache Jan Kara
2020-04-22 15:02 ` [PATCH 16/23] idr: Use xas_erase() in ida_destroy() Jan Kara
2020-04-22 15:02 ` [PATCH 17/23] idr: Use xas_erase() in ida_free() Jan Kara
2020-04-22 15:02 ` [PATCH 18/23] idr: Convert xas_store() to xas_store_noinit() Jan Kara
2020-04-22 15:02 ` [PATCH 19/23] testing: Use xas_erase() to remove entries from xarray Jan Kara
2020-04-22 15:02 ` [PATCH 20/23] testing: Use xas_store_noinit() for non-NULL entries Jan Kara
2020-04-22 15:02 ` [PATCH 21/23] testing: Introduce xa_erase_order() and use it Jan Kara
2020-04-22 15:02 ` [PATCH 22/23] testing: Switch xa_store_order() to xas_store_noinit() Jan Kara
2020-04-22 15:02 ` [PATCH 23/23] xarray: Remove xas_store() Jan Kara
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