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f2fs: update i_size when __allocate_data_block 

The f2fs_direct_IO uses __allocate_data_block, but inside the allocation path,
we should update i_size at the changed time to update its inode page.
Otherwise, we can get wrong i_size after roll-forward recovery.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2014-09-15 19:32:16 -07:00
parent 90a893c749
commit 976e4c50ae
1 changed files with 8 additions and 0 deletions
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8
fs/f2fs/data.c
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@ -572,9 +572,11 @@ struct page *get_new_data_page(struct inode *inode,
static int __allocate_data_block(struct dnode_of_data *dn)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct f2fs_inode_info *fi = F2FS_I(dn->inode);
struct f2fs_summary sum;
block_t new_blkaddr;
struct node_info ni;
pgoff_t fofs;
int type;
if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
@ -597,6 +599,12 @@ static int __allocate_data_block(struct dnode_of_data *dn)
update_extent_cache(new_blkaddr, dn);
clear_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT);
/* update i_size */
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
dn->ofs_in_node;
if (i_size_read(dn->inode) < ((fofs + 1) << PAGE_CACHE_SHIFT))
i_size_write(dn->inode, ((fofs + 1) << PAGE_CACHE_SHIFT));
dn->data_blkaddr = new_blkaddr;
return 0;
}