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Diffstat (limited to 'drivers/staging/lustre/lustre/llite/rw.c')
-rw-r--r--drivers/staging/lustre/lustre/llite/rw.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c
index f79193fa2fb7..f355474967d6 100644
--- a/drivers/staging/lustre/lustre/llite/rw.c
+++ b/drivers/staging/lustre/lustre/llite/rw.c
@@ -27,7 +27,7 @@
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
@@ -115,8 +115,8 @@ static struct ll_cl_context *ll_cl_init(struct file *file,
struct inode *inode = vmpage->mapping->host;
loff_t pos;
- if (mutex_trylock(&inode->i_mutex)) {
- mutex_unlock(&(inode)->i_mutex);
+ if (inode_trylock(inode)) {
+ inode_unlock((inode));
/* this is too bad. Someone is trying to write the
* page w/o holding inode mutex. This means we can
@@ -880,14 +880,6 @@ static void ras_update_stride_detector(struct ll_readahead_state *ras,
return;
}
-static unsigned long
-stride_page_count(struct ll_readahead_state *ras, unsigned long len)
-{
- return stride_pg_count(ras->ras_stride_offset, ras->ras_stride_length,
- ras->ras_stride_pages, ras->ras_stride_offset,
- len);
-}
-
/* Stride Read-ahead window will be increased inc_len according to
* stride I/O pattern */
static void ras_stride_increase_window(struct ll_readahead_state *ras,
@@ -921,7 +913,9 @@ static void ras_stride_increase_window(struct ll_readahead_state *ras,
window_len += step * ras->ras_stride_length + left;
- if (stride_page_count(ras, window_len) <= ra->ra_max_pages_per_file)
+ if (stride_pg_count(ras->ras_stride_offset, ras->ras_stride_length,
+ ras->ras_stride_pages, ras->ras_stride_offset,
+ window_len) <= ra->ra_max_pages_per_file)
ras->ras_window_len = window_len;
RAS_CDEBUG(ras);