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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-04 22:05:23 +0300 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-04-01 21:40:43 +0300 |
| commit | 2756c818e5cbcc4c9d13d7399273e86068e95156 (patch) | |
| tree | e075c92d42c38ac420357687b202a61cdf8a539f /fs/iomap/buffered-io.c | |
| parent | 1e4702806faca1551733f58be17ea11a9d214e91 (diff) | |
| download | linux-2756c818e5cbcc4c9d13d7399273e86068e95156.tar.xz | |
iomap: Simplify is_partially_uptodate a little
Remove the unnecessary variable 'len' and fix a comment to refer to
the folio instead of the page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/iomap/buffered-io.c')
| -rw-r--r-- | fs/iomap/buffered-io.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 49dccd9050f1..8ce8720093b9 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -435,18 +435,17 @@ bool iomap_is_partially_uptodate(struct folio *folio, size_t from, size_t count) { struct iomap_page *iop = to_iomap_page(folio); struct inode *inode = folio->mapping->host; - size_t len; unsigned first, last, i; if (!iop) return false; - /* Limit range to this folio */ - len = min(folio_size(folio) - from, count); + /* Caller's range may extend past the end of this folio */ + count = min(folio_size(folio) - from, count); - /* First and last blocks in range within page */ + /* First and last blocks in range within folio */ first = from >> inode->i_blkbits; - last = (from + len - 1) >> inode->i_blkbits; + last = (from + count - 1) >> inode->i_blkbits; for (i = first; i <= last; i++) if (!test_bit(i, iop->uptodate)) |