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-rw-r--r--fs/udf/inode.c61
1 files changed, 29 insertions, 32 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 124852bcf6fe..fc48f37aa2dd 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -68,37 +68,23 @@ static void udf_update_extents(struct inode *,
static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
-void udf_delete_inode(struct inode *inode)
-{
- truncate_inode_pages(&inode->i_data, 0);
-
- if (is_bad_inode(inode))
- goto no_delete;
-
- inode->i_size = 0;
- udf_truncate(inode);
- lock_kernel();
-
- udf_update_inode(inode, IS_SYNC(inode));
- udf_free_inode(inode);
-
- unlock_kernel();
- return;
-
-no_delete:
- clear_inode(inode);
-}
-
-/*
- * If we are going to release inode from memory, we truncate last inode extent
- * to proper length. We could use drop_inode() but it's called under inode_lock
- * and thus we cannot mark inode dirty there. We use clear_inode() but we have
- * to make sure to write inode as it's not written automatically.
- */
-void udf_clear_inode(struct inode *inode)
+void udf_evict_inode(struct inode *inode)
{
struct udf_inode_info *iinfo = UDF_I(inode);
+ int want_delete = 0;
+
+ truncate_inode_pages(&inode->i_data, 0);
+ if (!inode->i_nlink && !is_bad_inode(inode)) {
+ want_delete = 1;
+ inode->i_size = 0;
+ udf_truncate(inode);
+ lock_kernel();
+ udf_update_inode(inode, IS_SYNC(inode));
+ unlock_kernel();
+ }
+ invalidate_inode_buffers(inode);
+ end_writeback(inode);
if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
inode->i_size != iinfo->i_lenExtents) {
printk(KERN_WARNING "UDF-fs (%s): Inode %lu (mode %o) has "
@@ -108,9 +94,13 @@ void udf_clear_inode(struct inode *inode)
(unsigned long long)inode->i_size,
(unsigned long long)iinfo->i_lenExtents);
}
-
kfree(iinfo->i_ext.i_data);
iinfo->i_ext.i_data = NULL;
+ if (want_delete) {
+ lock_kernel();
+ udf_free_inode(inode);
+ unlock_kernel();
+ }
}
static int udf_writepage(struct page *page, struct writeback_control *wbc)
@@ -127,9 +117,16 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- *pagep = NULL;
- return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
- udf_get_block);
+ int ret;
+
+ ret = block_write_begin(mapping, pos, len, flags, pagep, udf_get_block);
+ if (unlikely(ret)) {
+ loff_t isize = mapping->host->i_size;
+ if (pos + len > isize)
+ vmtruncate(mapping->host, isize);
+ }
+
+ return ret;
}
static sector_t udf_bmap(struct address_space *mapping, sector_t block)