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authorJames Morris <james.l.morris@oracle.com>2017-11-29 12:47:41 +1100
committerJames Morris <james.l.morris@oracle.com>2017-11-29 12:47:41 +1100
commitcf40a76e7d5874bb25f4404eecc58a2e033af885 (patch)
tree8fd81cbea03c87b3d41d7ae5b1d11eadd35d6ef5 /fs/ext4/extents.c
parentab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff)
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff)
Merge tag 'v4.15-rc1' into next-seccomp
Linux 4.15-rc1
Diffstat (limited to 'fs/ext4/extents.c')
-rw-r--r--fs/ext4/extents.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index e0a8425ff74d..07bca11749d4 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4652,7 +4652,7 @@ retry:
static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset,
ext4_lblk_t len, loff_t new_size,
- int flags, int mode)
+ int flags)
{
struct inode *inode = file_inode(file);
handle_t *handle;
@@ -4794,7 +4794,8 @@ static long ext4_zero_range(struct file *file, loff_t offset,
}
if (!(mode & FALLOC_FL_KEEP_SIZE) &&
- offset + len > i_size_read(inode)) {
+ (offset + len > i_size_read(inode) ||
+ offset + len > EXT4_I(inode)->i_disksize)) {
new_size = offset + len;
ret = inode_newsize_ok(inode, new_size);
if (ret)
@@ -4815,7 +4816,7 @@ static long ext4_zero_range(struct file *file, loff_t offset,
round_down(offset, 1 << blkbits) >> blkbits,
(round_up((offset + len), 1 << blkbits) -
round_down(offset, 1 << blkbits)) >> blkbits,
- new_size, flags, mode);
+ new_size, flags);
if (ret)
goto out_dio;
@@ -4841,7 +4842,7 @@ static long ext4_zero_range(struct file *file, loff_t offset,
inode->i_mtime = inode->i_ctime = current_time(inode);
ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size,
- flags, mode);
+ flags);
up_write(&EXT4_I(inode)->i_mmap_sem);
if (ret)
goto out_dio;
@@ -4965,7 +4966,8 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
}
if (!(mode & FALLOC_FL_KEEP_SIZE) &&
- offset + len > i_size_read(inode)) {
+ (offset + len > i_size_read(inode) ||
+ offset + len > EXT4_I(inode)->i_disksize)) {
new_size = offset + len;
ret = inode_newsize_ok(inode, new_size);
if (ret)
@@ -4976,8 +4978,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
ext4_inode_block_unlocked_dio(inode);
inode_dio_wait(inode);
- ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size,
- flags, mode);
+ ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, flags);
ext4_inode_resume_unlocked_dio(inode);
if (ret)
goto out;
@@ -5837,7 +5838,7 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
if (e1_blk > lblk1)
next1 = e1_blk;
if (e2_blk > lblk2)
- next2 = e1_blk;
+ next2 = e2_blk;
/* Do we have something to swap */
if (next1 == EXT_MAX_BLOCKS || next2 == EXT_MAX_BLOCKS)
goto finish;