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Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 44160d4ad53e..0dd5a90feca3 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -731,7 +731,7 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans,
if (args->drop_cache)
btrfs_drop_extent_cache(inode, args->start, args->end - 1, 0);
- if (args->start >= inode->disk_i_size && !args->replace_extent)
+ if (data_race(args->start >= inode->disk_i_size) && !args->replace_extent)
modify_tree = 0;
update_refs = (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID);
@@ -1607,7 +1607,6 @@ static int btrfs_write_check(struct kiocb *iocb, struct iov_iter *from,
loff_t pos = iocb->ki_pos;
int ret;
loff_t oldsize;
- loff_t start_pos;
if (iocb->ki_flags & IOCB_NOWAIT) {
size_t nocow_bytes = count;
@@ -1637,9 +1636,8 @@ static int btrfs_write_check(struct kiocb *iocb, struct iov_iter *from,
*/
update_time_for_write(inode);
- start_pos = round_down(pos, fs_info->sectorsize);
oldsize = i_size_read(inode);
- if (start_pos > oldsize) {
+ if (pos > oldsize) {
/* Expand hole size to cover write data, preventing empty gap */
loff_t end_pos = round_up(pos + count, fs_info->sectorsize);