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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

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Pull ext4 fixes from Ted Ts'o:
 "Ext4 bug fixes.

  We also reserved code points for encryption and read-only images (for
  which the implementation is mostly just the reserved code point for a
  read-only feature :-)"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix indirect punch hole corruption
  ext4: ignore journal checksum on remount; don't fail
  ext4: remove duplicate remount check for JOURNAL_CHECKSUM change
  ext4: fix mmap data corruption in nodelalloc mode when blocksize < pagesize
  ext4: support read-only images
  ext4: change to use setup_timer() instead of init_timer()
  ext4: reserve codepoints used by the ext4 encryption feature
  jbd2: complain about descriptor block checksum errors
This commit is contained in:
Linus Torvalds
2015-02-22 18:05:13 -08:00
parent be5e6616dd 6f30b7e37a
commit feaf222925
5 changed files with 110 additions and 58 deletions
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7
fs/ext4/inode.c
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@@ -1024,6 +1024,7 @@ static int ext4_write_end(struct file *file,
{
handle_t *handle = ext4_journal_current_handle();
struct inode *inode = mapping->host;
loff_t old_size = inode->i_size;
int ret = 0, ret2;
int i_size_changed = 0;
@@ -1054,6 +1055,8 @@ static int ext4_write_end(struct file *file,
unlock_page(page);
page_cache_release(page);
if (old_size < pos)
pagecache_isize_extended(inode, old_size, pos);
/*
* Don't mark the inode dirty under page lock. First, it unnecessarily
* makes the holding time of page lock longer. Second, it forces lock
@@ -1095,6 +1098,7 @@ static int ext4_journalled_write_end(struct file *file,
{
handle_t *handle = ext4_journal_current_handle();
struct inode *inode = mapping->host;
loff_t old_size = inode->i_size;
int ret = 0, ret2;
int partial = 0;
unsigned from, to;
@@ -1127,6 +1131,9 @@ static int ext4_journalled_write_end(struct file *file,
unlock_page(page);
page_cache_release(page);
if (old_size < pos)
pagecache_isize_extended(inode, old_size, pos);
if (size_changed) {
ret2 = ext4_mark_inode_dirty(handle, inode);
if (!ret)