diff options
Diffstat (limited to 'fs/sysv/file.c')
-rw-r--r-- | fs/sysv/file.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/sysv/file.c b/fs/sysv/file.c index 750cc22349bd..0a65939508e9 100644 --- a/fs/sysv/file.c +++ b/fs/sysv/file.c @@ -30,7 +30,29 @@ const struct file_operations sysv_file_operations = { .splice_read = generic_file_splice_read, }; +static int sysv_setattr(struct dentry *dentry, struct iattr *attr) +{ + struct inode *inode = dentry->d_inode; + int error; + + error = inode_change_ok(inode, attr); + if (error) + return error; + + if ((attr->ia_valid & ATTR_SIZE) && + attr->ia_size != i_size_read(inode)) { + error = vmtruncate(inode, attr->ia_size); + if (error) + return error; + } + + setattr_copy(inode, attr); + mark_inode_dirty(inode); + return 0; +} + const struct inode_operations sysv_file_inode_operations = { .truncate = sysv_truncate, + .setattr = sysv_setattr, .getattr = sysv_getattr, }; |