From: Allison Henderson <achender@xxxxxxxxxxxxxxxxxx>
From: Allison Henderson <achender@xxxxxxxxxxxxxxxxxx>
This patch allows blocks beyond i_size to be punched out.
This early return to catch this condition is simply removed
allowing punch hole to proceed beyond i_size.
Signed-off-by: Allison Henderson <achender@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
---
fs/ext4/extents.c | 14 --------------
1 files changed, 0 insertions(+), 14 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 7b822c0..7d4f2cb 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4689,20 +4689,6 @@ int ext4_ext_punch_hole(struct file *file, loff_t offset, loff_t length)
loff_t first_page_offset, last_page_offset;
int credits, err = 0;
- /* No need to punch hole beyond i_size */
- if (offset >= inode->i_size)
- return 0;
-
- /*
- * If the hole extends beyond i_size, set the hole
- * to end after the page that contains i_size
- */
- if (offset + length > inode->i_size) {
- length = inode->i_size +
- PAGE_CACHE_SIZE - (inode->i_size & (PAGE_CACHE_SIZE - 1)) -
- offset;
- }
-
first_page = (offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
last_page = (offset + length) >> PAGE_CACHE_SHIFT;
--
1.7.4.4
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