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-rw-r--r--fs/nfs/inode.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 2211f6ba8736..d2398c193bda 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -507,10 +507,15 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr)
attr->ia_valid &= ~ATTR_MODE;
if (attr->ia_valid & ATTR_SIZE) {
+ loff_t i_size;
+
BUG_ON(!S_ISREG(inode->i_mode));
- if (attr->ia_size == i_size_read(inode))
+ i_size = i_size_read(inode);
+ if (attr->ia_size == i_size)
attr->ia_valid &= ~ATTR_SIZE;
+ else if (attr->ia_size < i_size && IS_SWAPFILE(inode))
+ return -ETXTBSY;
}
/* Optimization: if the end result is no change, don't RPC */