The patch titled
reiser4: use balance_dirty_pages_ratelimited_nr
has been added to the -mm tree. Its filename is
reiser4-use-balance_dirty_pages_ratelimited_nr.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: reiser4: use balance_dirty_pages_ratelimited_nr
From: Edward Shishkin <[EMAIL PROTECTED]>
Use balance_dirty_pages_ratelimited_nr() instead of
balance_dirty_pages_ratelimited() for all reiser4 page cluster operations.
Signed-off-by: Edward Shishkin <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
fs/reiser4/plugin/cluster.h | 12 ++++++++++++
fs/reiser4/plugin/file/cryptcompress.c | 16 +++++++++++-----
2 files changed, 23 insertions(+), 5 deletions(-)
diff -puN
fs/reiser4/plugin/cluster.h~reiser4-use-balance_dirty_pages_ratelimited_nr
fs/reiser4/plugin/cluster.h
--- a/fs/reiser4/plugin/cluster.h~reiser4-use-balance_dirty_pages_ratelimited_nr
+++ a/fs/reiser4/plugin/cluster.h
@@ -188,6 +188,18 @@ static inline unsigned pbytes(pgoff_t in
return __mbp(i_size_read(inode), index);
}
+/**
+ * number of pages occuped by @win->count bytes starting from
+ * @win->off at logical cluster defined by @win. This is exactly
+ * a number of pages to be modified and dirtied in any cluster operation.
+ */
+static inline pgoff_t win_count_to_nrpages(struct reiser4_slide * win)
+{
+ return ((win->off + win->count +
+ (1UL << PAGE_CACHE_SHIFT) - 1) >> PAGE_CACHE_SHIFT) -
+ off_to_pg(win->off);
+}
+
/* return true, if logical cluster is not occupied by the file */
static inline int new_logical_cluster(struct cluster_handle * clust,
struct inode *inode)
diff -puN
fs/reiser4/plugin/file/cryptcompress.c~reiser4-use-balance_dirty_pages_ratelimited_nr
fs/reiser4/plugin/file/cryptcompress.c
---
a/fs/reiser4/plugin/file/cryptcompress.c~reiser4-use-balance_dirty_pages_ratelimited_nr
+++ a/fs/reiser4/plugin/file/cryptcompress.c
@@ -1952,13 +1952,16 @@ static void put_hint_cluster(struct clus
static int balance_dirty_page_cluster(struct cluster_handle * clust,
struct inode *inode, loff_t off,
- loff_t to_file)
+ loff_t to_file,
+ int nr_dirtied)
{
int result;
struct cryptcompress_info * info;
assert("edward-724", inode != NULL);
assert("edward-725", cryptcompress_inode_ok(inode));
+ assert("edward-1547",
+ nr_dirtied != 0 && nr_dirtied <= cluster_nrpages(inode));
/* set next window params */
move_update_window(inode, clust, off, to_file);
@@ -1970,7 +1973,8 @@ static int balance_dirty_page_cluster(st
info = cryptcompress_inode_data(inode);
mutex_unlock(&info->checkin_mutex);
- reiser4_throttle_write(inode);
+ reiser4_txn_restart_current();
+ balance_dirty_pages_ratelimited_nr(inode->i_mapping, nr_dirtied);
mutex_lock(&info->checkin_mutex);
return 0;
}
@@ -2038,8 +2042,9 @@ static int write_hole(struct inode *inod
if (result)
return result;
put_hint_cluster(clust, inode, ZNODE_WRITE_LOCK);
- result =
- balance_dirty_page_cluster(clust, inode, file_off, to_file);
+ result = balance_dirty_page_cluster(clust,
+ inode, file_off, to_file,
+ win_count_to_nrpages(win));
} else
move_update_window(inode, clust, file_off, to_file);
return result;
@@ -2756,7 +2761,8 @@ static loff_t do_write_cryptcompress(str
buf += win.count;
count -= win.count;
- result = balance_dirty_page_cluster(&clust, inode, 0, count);
+ result = balance_dirty_page_cluster(&clust, inode, 0, count,
+ win_count_to_nrpages(&win));
if (result)
goto err1;
assert("edward-755", hint->lh.owner == NULL);
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
reiser4-replace-uid==0-check-with-capability.patch
reiser4-specify-splice-file-operations.patch
reiser4-fix-dummy-ioctl_cryptcompress.patch
reiser4-granulate-rw-serialization-when-accessing-file-conversion-set.patch
reiser4-fix-disk-cluster-synchronization.patch
reiser4-use-balance_dirty_pages_ratelimited_nr.patch
-
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