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-rw-r--r--fs/ext3/inode.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 6ae4ecf3ce40..74b432fa166b 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -2253,6 +2253,19 @@ static void ext3_free_branches(handle_t *handle, struct inode *inode,
2253 } 2253 }
2254} 2254}
2255 2255
2256int ext3_can_truncate(struct inode *inode)
2257{
2258 if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
2259 return 0;
2260 if (S_ISREG(inode->i_mode))
2261 return 1;
2262 if (S_ISDIR(inode->i_mode))
2263 return 1;
2264 if (S_ISLNK(inode->i_mode))
2265 return !ext3_inode_is_fast_symlink(inode);
2266 return 0;
2267}
2268
2256/* 2269/*
2257 * ext3_truncate() 2270 * ext3_truncate()
2258 * 2271 *
@@ -2297,12 +2310,7 @@ void ext3_truncate(struct inode *inode)
2297 unsigned blocksize = inode->i_sb->s_blocksize; 2310 unsigned blocksize = inode->i_sb->s_blocksize;
2298 struct page *page; 2311 struct page *page;
2299 2312
2300 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || 2313 if (!ext3_can_truncate(inode))
2301 S_ISLNK(inode->i_mode)))
2302 return;
2303 if (ext3_inode_is_fast_symlink(inode))
2304 return;
2305 if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
2306 return; 2314 return;
2307 2315
2308 /* 2316 /*