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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-10 12:10:24 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-10 12:10:24 +0900
commit69b7290e51e558e1e9c1c9ee4d5d31a3809f0f03 (patch)
treef4ad376b3aaf2b68e9066df3885ee8dd297251cb /mm/truncate.c
parent35a27eab6f94e15fa30f7662af00fbec50526f4a (diff)
parent206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff)
Merge 3.18-rc4 into usb-next.
This resolves a conflict in drivers/usb/host/Kconfig Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/truncate.c')
-rw-r--r--mm/truncate.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/truncate.c b/mm/truncate.c
index 261eaf6e5a19..f1e4d6052369 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -715,8 +715,9 @@ EXPORT_SYMBOL(truncate_pagecache);
* necessary) to @newsize. It will be typically be called from the filesystem's
* setattr function when ATTR_SIZE is passed in.
*
- * Must be called with inode_mutex held and before all filesystem specific
- * block truncation has been performed.
+ * Must be called with a lock serializing truncates and writes (generally
+ * i_mutex but e.g. xfs uses a different lock) and before all filesystem
+ * specific block truncation has been performed.
*/
void truncate_setsize(struct inode *inode, loff_t newsize)
{
@@ -755,7 +756,6 @@ void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to)
struct page *page;
pgoff_t index;
- WARN_ON(!mutex_is_locked(&inode->i_mutex));
WARN_ON(to > inode->i_size);
if (from >= to || bsize == PAGE_CACHE_SIZE)