diff options
Diffstat (limited to 'fs/attr.c')
| -rw-r--r-- | fs/attr.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/attr.c b/fs/attr.c index 468f3396006d..d8524fc01e10 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -171,6 +171,9 @@ int notify_change(struct dentry * dentry, struct iattr * attr) if (!attr->ia_valid) return 0; + if (ia_valid & ATTR_SIZE) + down_write(&dentry->d_inode->i_alloc_sem); + if (inode->i_op && inode->i_op->setattr) { error = security_inode_setattr(dentry, attr); if (!error) @@ -187,6 +190,10 @@ int notify_change(struct dentry * dentry, struct iattr * attr) error = inode_setattr(inode, attr); } } + + if (ia_valid & ATTR_SIZE) + up_write(&dentry->d_inode->i_alloc_sem); + if (!error) { unsigned long dn_mask = setattr_mask(ia_valid); if (dn_mask) |