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yaml
---
r: 276744
b: refs/heads/master
c: f4a2f4c
h: refs/heads/master
v: v3
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Miao Xie authored and Chris Mason committed Dec 15, 2011
1 parent 30079ea commit 8fd246b
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Showing 2 changed files with 13 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5dbc8fca8ef5d719014f22345d990e957dcfc692
refs/heads/master: f4a2f4c548296168832ad4ab7e7f7b0cd0bf1214
18 changes: 12 additions & 6 deletions trunk/fs/btrfs/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -3370,23 +3370,29 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)

static int btrfs_setsize(struct inode *inode, loff_t newsize)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_trans_handle *trans;
loff_t oldsize = i_size_read(inode);
int ret;

if (newsize == oldsize)
return 0;

if (newsize > oldsize) {
i_size_write(inode, newsize);
btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
truncate_pagecache(inode, oldsize, newsize);
ret = btrfs_cont_expand(inode, oldsize, newsize);
if (ret) {
btrfs_setsize(inode, oldsize);
if (ret)
return ret;
}

mark_inode_dirty(inode);
trans = btrfs_start_transaction(root, 1);
if (IS_ERR(trans))
return PTR_ERR(trans);

i_size_write(inode, newsize);
btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
ret = btrfs_update_inode(trans, root, inode);

btrfs_end_transaction_throttle(trans, root);
} else {

/*
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