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A large number of bug fixes and cleanups. One new feature to allow

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users to more easily find the jbd2 journal thread for a particular
 ext4 file system.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "A large number of bug fixes and cleanups.

  One new feature to allow users to more easily find the jbd2 journal
  thread for a particular ext4 file system"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
  jbd2: jbd2_get_transaction does not need to return a value
  jbd2: fix invalid descriptor block checksum
  ext4: fix bigalloc cluster freeing when hole punching under load
  ext4: add sysfs attr /sys/fs/ext4/<disk>/journal_task
  ext4: Change debugging support help prefix from EXT4 to Ext4
  ext4: fix compile error when using BUFFER_TRACE
  jbd2: fix compile warning when using JBUFFER_TRACE
  ext4: fix some error pointer dereferences
  ext4: annotate more implicit fall throughs
  ext4: annotate implicit fall throughs
  ext4: don't update s_rev_level if not required
  jbd2: fold jbd2_superblock_csum_{verify,set} into their callers
  jbd2: fix race when writing superblock
  ext4: fix crash during online resizing
  ext4: disallow files with EXT4_JOURNAL_DATA_FL from EXT4_IOC_SWAP_BOOT
  ext4: add mask of ext4 flags to swap
  ext4: update quota information while swapping boot loader inode
  ext4: cleanup pagecache before swap i_data
  ext4: fix check of inode in swap_inode_boot_loader
  ext4: unlock unused_pages timely when doing writeback
  ...
This commit is contained in:
Linus Torvalds 2019-03-12 15:03:21 -07:00
commit a5adcfcad5
18 changed files with 257 additions and 147 deletions
Download patch file Download diff file Expand all files Collapse all files

21
fs/ext4/inode.c
View file

@ -391,7 +391,7 @@ void ext4_da_update_reserve_space(struct inode *inode,
* inode's preallocations.
*/
if ((ei->i_reserved_data_blocks == 0) &&
(atomic_read(&inode->i_writecount) == 0))
!inode_is_open_for_write(inode))
ext4_discard_preallocations(inode);
}
@ -678,8 +678,6 @@ found:
if (flags & EXT4_GET_BLOCKS_ZERO &&
map->m_flags & EXT4_MAP_MAPPED &&
map->m_flags & EXT4_MAP_NEW) {
clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk,
map->m_len);
ret = ext4_issue_zeroout(inode, map->m_lblk,
map->m_pblk, map->m_len);
if (ret) {
@ -1194,7 +1192,6 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len,
if (err)
break;
if (buffer_new(bh)) {
clean_bdev_bh_alias(bh);
if (PageUptodate(page)) {
clear_buffer_new(bh);
set_buffer_uptodate(bh);
@ -2489,10 +2486,6 @@ static int mpage_map_one_extent(handle_t *handle, struct mpage_da_data *mpd)
}
BUG_ON(map->m_len == 0);
if (map->m_flags & EXT4_MAP_NEW) {
clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk,
map->m_len);
}
return 0;
}
@ -2835,12 +2828,12 @@ retry:
goto unplug;
}
ret = mpage_prepare_extent_to_map(&mpd);
/* Unlock pages we didn't use */
mpage_release_unused_pages(&mpd, false);
/* Submit prepared bio */
ext4_io_submit(&mpd.io_submit);
ext4_put_io_end_defer(mpd.io_submit.io_end);
mpd.io_submit.io_end = NULL;
/* Unlock pages we didn't use */
mpage_release_unused_pages(&mpd, false);
if (ret < 0)
goto unplug;
@ -2908,10 +2901,11 @@ retry:
handle = NULL;
mpd.do_map = 0;
}
/* Submit prepared bio */
ext4_io_submit(&mpd.io_submit);
/* Unlock pages we didn't use */
mpage_release_unused_pages(&mpd, give_up_on_write);
/* Submit prepared bio */
ext4_io_submit(&mpd.io_submit);
/*
* Drop our io_end reference we got from init. We have
* to be careful and use deferred io_end finishing if
@ -5349,7 +5343,6 @@ static int ext4_do_update_inode(handle_t *handle,
err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);
if (err)
goto out_brelse;
ext4_update_dynamic_rev(sb);
ext4_set_feature_large_file(sb);
ext4_handle_sync(handle);
err = ext4_handle_dirty_super(handle, sb);
@ -6000,7 +5993,7 @@ int ext4_expand_extra_isize(struct inode *inode,
ext4_write_lock_xattr(inode, &no_expand);
BUFFER_TRACE(iloc.bh, "get_write_access");
BUFFER_TRACE(iloc->bh, "get_write_access");
error = ext4_journal_get_write_access(handle, iloc->bh);
if (error) {
brelse(iloc->bh);