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authorChao Yu <chao2.yu@samsung.com>2016-02-24 17:20:44 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-02-25 17:27:03 -0800
commit80dd9c0e9db220697301e76b7b61f580ad9e8ecd (patch)
treee56ed4bab3b42033943ae3fdd86353e5f0db9936 /fs/f2fs/segment.c
parent0ff21646f2a5c6ff77acc51eb3df4235af39be46 (diff)
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f2fs: fix incorrect upper bound when iterating inode mapping tree
1. Inode mapping tree can index page in range of [0, ULONG_MAX], however, in some places, f2fs only search or iterate page in ragne of [0, LONG_MAX], result in miss hitting in page cache. 2. filemap_fdatawait_range accepts range parameters in unit of bytes, so the max range it covers should be [0, LLONG_MAX], if we use [0, LONG_MAX] as range for waiting on writeback, big number of pages will not be covered. This patch corrects above two issues. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.c')
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