OpenCloudOS-Kernel/fs/iomap
Matthew Wilcox (Oracle) 076171a677 mm/filemap: fix readahead return types
A readahead request will not allocate more memory than can be represented
by a size_t, even on systems that have HIGHMEM available.  Change the
length functions from returning an loff_t to a size_t.

Link: https://lkml.kernel.org/r/20210510201201.1558972-1-willy@infradead.org
Fixes: 32c0a6bcaa ("btrfs: add and use readahead_batch_length")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-14 19:41:32 -07:00
..
Makefile iomap: lift common tracing code from xfs to iomap 2019-10-21 08:51:59 -07:00
apply.c iomap: Make sure iomap_end is called after iomap_begin 2020-07-06 10:49:27 -07:00
buffered-io.c mm/filemap: fix readahead return types 2021-05-14 19:41:32 -07:00
direct-io.c iomap: use filemap_range_needs_writeback() for O_DIRECT reads 2021-04-30 11:20:36 -07:00
fiemap.c fs: handle FIEMAP_FLAG_SYNC in fiemap_prep 2020-06-03 23:16:55 -04:00
seek.c iomap: use mapping_seek_hole_data 2021-02-26 09:40:59 -08:00
swapfile.c iomap: improve the warnings from iomap_swapfile_activate 2021-03-26 10:55:40 -07:00
trace.c iomap: lift common tracing code from xfs to iomap 2019-10-21 08:51:59 -07:00
trace.h iomap: fall back to buffered writes for invalidation failures 2020-08-05 09:24:16 -07:00