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| author | Brian Foster <bfoster@redhat.com> | 2022-11-28 10:56:32 -0500 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-12-11 18:12:11 -0800 |
| commit | 3cd629e5775397103e0428f62ce64747741dbfe5 (patch) | |
| tree | d47475287b33fe570304097a3a6d5dfd4efddbb4 /tools/perf/scripts/python | |
| parent | filemap: skip write and wait if end offset precedes start (diff) | |
| download | linux-3cd629e5775397103e0428f62ce64747741dbfe5.tar.gz linux-3cd629e5775397103e0428f62ce64747741dbfe5.zip | |
mm/fadvise: use LLONG_MAX instead of -1 for eof
generic_fadvise() sets endbyte = -1 to specify end of file (i.e. if
length == 0 is passed from userspace). Most other callers to
filemap_fdatawrite_range() use LLONG_MAX for this purpose, particularly if
they also call fdatawait_range() (which requires end >= start). For
example, sync_file_range(), vfs_fsync() (where the range is passed down
through per-fs ->fsync() callbacks), filemap_flush(), etc.
generic_fadvise() does not currently wait on writeback, but fix the call
up to be consistent with other callers.
Link: https://lkml.kernel.org/r/20221128155632.3950447-3-bfoster@redhat.com
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions