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authorKaiGai Kohei <kaigai@ak.jp.nec.com>2006-05-19 00:43:53 +0900
committerKaiGai Kohei <kaigai@ak.jp.nec.com>2006-05-19 00:43:53 +0900
commit20a92fc74c5c91c7bc5693d51acc2b99aceb0465 (patch)
tree41bf535f38ff1a29c560bcf622e9b4ef03c2c106 /fs/jffs2/file.c
parent21b9879bf2817aca343cdda11ade6a87f5373e74 (diff)
parentf6a673b3f4f93c1c50e1b18f29254b0531b722a8 (diff)
downloadop-kernel-dev-20a92fc74c5c91c7bc5693d51acc2b99aceb0465.zip
op-kernel-dev-20a92fc74c5c91c7bc5693d51acc2b99aceb0465.tar.gz
Merge git://git.infradead.org/mtd-2.6
Diffstat (limited to 'fs/jffs2/file.c')
-rw-r--r--fs/jffs2/file.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index e92187f..e18c943 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -220,12 +220,20 @@ static int jffs2_commit_write (struct file *filp, struct page *pg,
D1(printk(KERN_DEBUG "jffs2_commit_write(): ino #%lu, page at 0x%lx, range %d-%d, flags %lx\n",
inode->i_ino, pg->index << PAGE_CACHE_SHIFT, start, end, pg->flags));
- if (!start && end == PAGE_CACHE_SIZE) {
- /* We need to avoid deadlock with page_cache_read() in
- jffs2_garbage_collect_pass(). So we have to mark the
- page up to date, to prevent page_cache_read() from
- trying to re-lock it. */
- SetPageUptodate(pg);
+ if (end == PAGE_CACHE_SIZE) {
+ if (!start) {
+ /* We need to avoid deadlock with page_cache_read() in
+ jffs2_garbage_collect_pass(). So we have to mark the
+ page up to date, to prevent page_cache_read() from
+ trying to re-lock it. */
+ SetPageUptodate(pg);
+ } else {
+ /* When writing out the end of a page, write out the
+ _whole_ page. This helps to reduce the number of
+ nodes in files which have many short writes, like
+ syslog files. */
+ start = aligned_start = 0;
+ }
}
ri = jffs2_alloc_raw_inode();
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