From: Edward Shishkin <edward.shishkin@xxxxxxxxx>
We can simplify write_begin() and write_end() by handling the
cont_expand case in reiserfs_setattr().
Signed-off-by: Edward Shishkin <edward.shishkin@xxxxxxxxx>
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/reiserfs/inode.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index e4221fa85ea2..36c59b25486c 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2763,13 +2763,6 @@ static int reiserfs_write_begin(struct file *file,
int old_ref = 0;
inode = mapping->host;
- *fsdata = NULL;
- if (flags & AOP_FLAG_CONT_EXPAND &&
- (pos & (inode->i_sb->s_blocksize - 1)) == 0) {
- pos ++;
- *fsdata = (void *)(unsigned long)flags;
- }
-
index = pos >> PAGE_SHIFT;
page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
@@ -2896,9 +2889,6 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping,
unsigned start;
bool locked = false;
- if ((unsigned long)fsdata & AOP_FLAG_CONT_EXPAND)
- pos ++;
-
reiserfs_wait_on_write_block(inode->i_sb);
if (reiserfs_transaction_running(inode->i_sb))
th = current->journal_info;
@@ -3316,7 +3306,11 @@ int reiserfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
/* fill in hole pointers in the expanding truncate case. */
if (attr->ia_size > inode->i_size) {
- error = generic_cont_expand_simple(inode, attr->ia_size);
+ loff_t pos = attr->ia_size;
+
+ if ((pos & (inode->i_sb->s_blocksize - 1)) == 0)
+ pos++;
+ error = generic_cont_expand_simple(inode, pos);
if (REISERFS_I(inode)->i_prealloc_count > 0) {
int err;
struct reiserfs_transaction_handle th;
--
2.34.1
