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fs: Introduce filemap_range_has_page()
authorGoldwyn Rodrigues <[email protected]>
Tue, 20 Jun 2017 12:05:41 +0000 (07:05 -0500)
committerJens Axboe <[email protected]>
Tue, 20 Jun 2017 13:12:03 +0000 (07:12 -0600)
commit7fc9e4722435cd8459182c4975f48934f2bb1274
tree44a50b5cfa0379939111ef900f73b4c2657c83a4tree | snapshot
parentfdd2f5b7de2afaa931e5f7bad7bcda35d1f1b479commit | diff
fs: Introduce filemap_range_has_page()

filemap_range_has_page() return true if the file's mapping has
a page within the range mentioned. This function will be used
to check if a write() call will cause a writeback of previous
writes.

Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Goldwyn Rodrigues <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
include/linux/fs.h diff | blob | blame | history
mm/filemap.c diff | blob | blame | history
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