[PATCHv6 29/37] ext4: handle huge pages in ext4_da_write_end()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Call ext4_da_should_update_i_disksize() for head page with offset
relative to head page.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
---
 fs/ext4/inode.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 3eae2d058fd0..bdd62dcaa0b2 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3019,7 +3019,6 @@ static int ext4_da_write_end(struct file *file,
 	int ret = 0, ret2;
 	handle_t *handle = ext4_journal_current_handle();
 	loff_t new_i_size;
-	unsigned long start, end;
 	int write_mode = (int)(unsigned long)fsdata;
 
 	if (write_mode == FALL_BACK_TO_NONDELALLOC)
@@ -3027,8 +3026,6 @@ static int ext4_da_write_end(struct file *file,
 				      len, copied, page, fsdata);
 
 	trace_ext4_da_write_end(inode, pos, len, copied);
-	start = pos & (PAGE_SIZE - 1);
-	end = start + copied - 1;
 
 	/*
 	 * generic_write_end() will run mark_inode_dirty() if i_size
@@ -3037,8 +3034,10 @@ static int ext4_da_write_end(struct file *file,
 	 */
 	new_i_size = pos + copied;
 	if (copied && new_i_size > EXT4_I(inode)->i_disksize) {
+		struct page *head = compound_head(page);
+		unsigned long end = (pos & ~hpage_mask(head)) + copied - 1;
 		if (ext4_has_inline_data(inode) ||
-		    ext4_da_should_update_i_disksize(page, end)) {
+		    ext4_da_should_update_i_disksize(head, end)) {
 			ext4_update_i_disksize(inode, new_i_size);
 			/* We need to mark inode dirty even if
 			 * new_i_size is less that inode->i_size
-- 
2.11.0




[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux