[PATCH] btrfs: file.c: file cleanup

From: Philippe Loctaux
Date: Fri Dec 16 2016 - 11:48:12 EST


cleaned up the file with checkpatch

Signed-off-by: Philippe Loctaux <phil@xxxxxxxxxxxxxxxxxxx>
---
fs/btrfs/file.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 3a14c87..d131b8d 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -464,6 +464,7 @@ static noinline int btrfs_copy_from_user(loff_t pos, size_t write_bytes,
static void btrfs_drop_pages(struct page **pages, size_t num_pages)
{
size_t i;
+
for (i = 0; i < num_pages; i++) {
/* page checked is some magic around finding pages that
* have been modified without going through btrfs_set_page_dirty
@@ -509,6 +510,7 @@ int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode,

for (i = 0; i < num_pages; i++) {
struct page *p = pages[i];
+
SetPageUptodate(p);
ClearPageChecked(p);
set_page_dirty(p);
@@ -1421,6 +1423,7 @@ lock_and_cleanup_extent_if_need(struct inode *inode, struct page **pages,

if (start_pos < inode->i_size) {
struct btrfs_ordered_extent *ordered;
+
lock_extent_bits(&BTRFS_I(inode)->io_tree,
start_pos, last_pos, cached_state);
ordered = btrfs_lookup_ordered_range(inode, start_pos,
@@ -1481,9 +1484,8 @@ static noinline int check_can_nocow(struct inode *inode, loff_t pos,
lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);
ordered = btrfs_lookup_ordered_range(inode, lockstart,
lockend - lockstart + 1);
- if (!ordered) {
+ if (!ordered)
break;
- }
unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend);
btrfs_start_ordered_extent(inode, ordered, 1);
btrfs_put_ordered_extent(ordered);
@@ -1495,7 +1497,7 @@ static noinline int check_can_nocow(struct inode *inode, loff_t pos,
ret = 0;
btrfs_end_write_no_snapshoting(root);
} else {
- *write_bytes = min_t(size_t, *write_bytes ,
+ *write_bytes = min_t(size_t, *write_bytes,
num_bytes - pos + lockstart);
}

@@ -1727,8 +1729,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
btrfs_delalloc_release_metadata(inode, release_bytes);
} else {
btrfs_delalloc_release_space(inode,
- round_down(pos, root->sectorsize),
- release_bytes);
+ round_down(pos, root->sectorsize),
+ release_bytes);
}
}

@@ -1904,8 +1906,8 @@ int btrfs_release_file(struct inode *inode, struct file *filp)
* application were using truncate to replace a file in place.
*/
if (test_and_clear_bit(BTRFS_INODE_ORDERED_DATA_CLOSE,
- &BTRFS_I(inode)->runtime_flags))
- filemap_flush(inode->i_mapping);
+ &BTRFS_I(inode)->runtime_flags))
+ filemap_flush(inode->i_mapping);
return 0;
}

@@ -1943,8 +1945,9 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
u64 len;

/*
- * The range length can be represented by u64, we have to do the typecasts
- * to avoid signed overflow if it's [0, LLONG_MAX] eg. from fsync()
+ * The range length can be represented by u64, we have to do the
+ * typecasts to avoid signed overflow if it's [0, LLONG_MAX]
+ * eg. from fsync()
*/
len = (u64)end - (u64)start + 1;
trace_btrfs_sync_file(file, datasync);
@@ -2409,7 +2412,8 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
/* Check the aligned pages after the first unaligned page,
* if offset != orig_start, which means the first unaligned page
* including several following pages are already in holes,
- * the extra check can be skipped */
+ * the extra check can be skipped
+ */
if (offset == orig_start) {
/* after truncate page, check hole again */
len = offset + len - lockstart;
--
2.1.4