* [PATCH] ext4: Use truncate_pagecache() in collapse range [not found] <002101cf5ac76d97bf048c73d0samsung.com> @ 2014-04-18 11:22 ` Lukas Czerner 2014-04-18 14:21 ` Theodore Ts'o 0 siblings, 1 reply; 2+ messages in thread From: Lukas Czerner @ 2014-04-18 11:22 UTC (permalink / raw) To: linux-ext4; +Cc: namjae.jeon, Lukas Czerner We should be using truncate_pagecache() instead of truncate_pagecache_range() in the collapse range because we're truncating page cache from offset to the end of file. truncate_pagecache() also get rid of the private COWed pages from the range because we're going to shift the end of the file. Signed-off-by: Lukas Czerner <lczerner@redhat.com> --- fs/ext4/extents.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 5fa31cb..3a6e40c 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5406,7 +5406,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) goto out_mutex; } - truncate_pagecache_range(inode, offset, -1); + truncate_pagecache(inode, offset); /* Wait for existing dio to complete */ ext4_inode_block_unlocked_dio(inode); -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ext4: Use truncate_pagecache() in collapse range 2014-04-18 11:22 ` [PATCH] ext4: Use truncate_pagecache() in collapse range Lukas Czerner @ 2014-04-18 14:21 ` Theodore Ts'o 0 siblings, 0 replies; 2+ messages in thread From: Theodore Ts'o @ 2014-04-18 14:21 UTC (permalink / raw) To: Lukas Czerner; +Cc: linux-ext4, namjae.jeon On Fri, Apr 18, 2014 at 01:22:04PM +0200, Lukas Czerner wrote: > We should be using truncate_pagecache() instead of > truncate_pagecache_range() in the collapse range because we're > truncating page cache from offset to the end of file. > truncate_pagecache() also get rid of the private COWed pages from the > range because we're going to shift the end of the file. > > Signed-off-by: Lukas Czerner <lczerner@redhat.com> Thanks, applied. - Ted ^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-04-18 11:22 ` [PATCH] ext4: Use truncate_pagecache() in collapse range Lukas Czerner
2014-04-18 14:21 ` Theodore Ts'o
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