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btrfs: simplify local variables in btrfs_ioctl_resize()

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Remove some redundant variables and assignments, move variable
declarations to their closest scope.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2025-03-03 15:55:32 +01:00
parent 4f27a69394
commit f6c2ccfc3b
1 changed files with 6 additions and 5 deletions
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11
fs/btrfs/ioctl.c
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@@ -1033,17 +1033,14 @@ static noinline int btrfs_ioctl_resize(struct file *file,
void __user *arg)
{
BTRFS_DEV_LOOKUP_ARGS(args);
struct inode *inode = file_inode(file);
struct btrfs_fs_info *fs_info = inode_to_fs_info(inode);
struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
struct btrfs_fs_info *fs_info = root->fs_info;
u64 new_size;
u64 old_size;
u64 devid = 1;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_ioctl_vol_args *vol_args;
struct btrfs_trans_handle *trans;
struct btrfs_device *device = NULL;
char *sizestr;
char *retptr;
char *devstr = NULL;
int ret = 0;
int mod = 0;
@@ -1111,6 +1108,8 @@ static noinline int btrfs_ioctl_resize(struct file *file,
if (!strcmp(sizestr, "max"))
new_size = bdev_nr_bytes(device->bdev);
else {
char *retptr;
if (sizestr[0] == '-') {
mod = -1;
sizestr++;
@@ -1158,6 +1157,8 @@ static noinline int btrfs_ioctl_resize(struct file *file,
new_size = round_down(new_size, fs_info->sectorsize);
if (new_size > old_size) {
struct btrfs_trans_handle *trans;
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);