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-rw-r--r--fs/9p/vfs_file.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 98c4307..3cff25e 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -440,6 +440,7 @@ v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid,
loff_t *offset, int invalidate)
{
int n;
+ loff_t i_size;
size_t total = 0;
struct p9_client *clnt;
loff_t origin = *offset;
@@ -464,8 +465,11 @@ v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid,
invalidate_inode_pages2_range(inode->i_mapping,
pg_start, pg_end);
*offset += total;
- i_size_write(inode, i_size_read(inode) + total);
- inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9;
+ i_size = i_size_read(inode);
+ if (*offset > i_size) {
+ inode_add_bytes(inode, *offset - i_size);
+ i_size_write(inode, *offset);
+ }
}
if (n < 0)
return n;