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Diffstat (limited to 'fs/jffs2/file.c')
-rw-r--r--fs/jffs2/file.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 8279bf0133f..935f273dc57 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: file.c,v 1.102 2005/07/06 12:13:09 dwmw2 Exp $
+ * $Id: file.c,v 1.104 2005/10/18 23:29:35 tpoynor Exp $
*
*/
@@ -34,8 +34,8 @@ int jffs2_fsync(struct file *filp, struct dentry *dentry, int datasync)
/* Trigger GC to flush any pending writes for this inode */
jffs2_flush_wbuf_gc(c, inode->i_ino);
-
- return 0;
+
+ return 0;
}
struct file_operations jffs2_file_operations =
@@ -107,7 +107,7 @@ static int jffs2_readpage (struct file *filp, struct page *pg)
{
struct jffs2_inode_info *f = JFFS2_INODE_INFO(pg->mapping->host);
int ret;
-
+
down(&f->sem);
ret = jffs2_do_readpage_unlock(pg->mapping->host, pg);
up(&f->sem);
@@ -130,11 +130,12 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg,
struct jffs2_raw_inode ri;
struct jffs2_full_dnode *fn;
uint32_t phys_ofs, alloc_len;
-
+
D1(printk(KERN_DEBUG "Writing new hole frag 0x%x-0x%x between current EOF and new page\n",
(unsigned int)inode->i_size, pageofs));
- ret = jffs2_reserve_space(c, sizeof(ri), &phys_ofs, &alloc_len, ALLOC_NORMAL);
+ ret = jffs2_reserve_space(c, sizeof(ri), &phys_ofs, &alloc_len,
+ ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
if (ret)
return ret;
@@ -159,7 +160,7 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg,
ri.compr = JFFS2_COMPR_ZERO;
ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
ri.data_crc = cpu_to_je32(0);
-
+
fn = jffs2_write_dnode(c, f, &ri, NULL, 0, phys_ofs, ALLOC_NORMAL);
if (IS_ERR(fn)) {
@@ -186,7 +187,7 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg,
inode->i_size = pageofs;
up(&f->sem);
}
-
+
/* Read in the page if it wasn't already present, unless it's a whole page */
if (!PageUptodate(pg) && (start || end < PAGE_CACHE_SIZE)) {
down(&f->sem);
@@ -217,7 +218,7 @@ static int jffs2_commit_write (struct file *filp, struct page *pg,
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
+ page up to date, to prevent page_cache_read() from
trying to re-lock it. */
SetPageUptodate(pg);
}
@@ -251,7 +252,7 @@ static int jffs2_commit_write (struct file *filp, struct page *pg,
/* There was an error writing. */
SetPageError(pg);
}
-
+
/* Adjust writtenlen for the padding we did, so we don't confuse our caller */
if (writtenlen < (start&3))
writtenlen = 0;
@@ -262,7 +263,7 @@ static int jffs2_commit_write (struct file *filp, struct page *pg,
if (inode->i_size < (pg->index << PAGE_CACHE_SHIFT) + start + writtenlen) {
inode->i_size = (pg->index << PAGE_CACHE_SHIFT) + start + writtenlen;
inode->i_blocks = (inode->i_size + 511) >> 9;
-
+
inode->i_ctime = inode->i_mtime = ITIME(je32_to_cpu(ri->ctime));
}
}
@@ -271,13 +272,13 @@ static int jffs2_commit_write (struct file *filp, struct page *pg,
if (start+writtenlen < end) {
/* generic_file_write has written more to the page cache than we've
- actually written to the medium. Mark the page !Uptodate so that
+ actually written to the medium. Mark the page !Uptodate so that
it gets reread */
D1(printk(KERN_DEBUG "jffs2_commit_write(): Not all bytes written. Marking page !uptodate\n"));
SetPageError(pg);
ClearPageUptodate(pg);
}
- D1(printk(KERN_DEBUG "jffs2_commit_write() returning %d\n",writtenlen?writtenlen:ret));
- return writtenlen?writtenlen:ret;
+ D1(printk(KERN_DEBUG "jffs2_commit_write() returning %d\n",start+writtenlen==end?0:ret));
+ return start+writtenlen==end?0:ret;
}