diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-06-13 00:01:32 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-20 02:19:30 +0300 |
| commit | 285e0fc95ab122285c123c41cdb198fff9bbb3b8 (patch) | |
| tree | a9c231252dfd303546c117e37eb58c286e8b457c /fs/gfs2 | |
| parent | 53418a18fcbbb086dbfacbdd9b853c1071d3ec16 (diff) | |
| download | linux-285e0fc95ab122285c123c41cdb198fff9bbb3b8.tar.xz | |
gfs2: support ludicrously large folios in gfs2_trans_add_databufs()
We may someday support folios larger than 4GB, so use a size_t for the
byte count within a folio to prevent unpleasant truncations.
Link: https://lkml.kernel.org/r/20230612210141.730128-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/aops.c | 6 | ||||
| -rw-r--r-- | fs/gfs2/aops.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 3a2be1901e1e..1c407eba1e30 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -38,13 +38,13 @@ void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio, - unsigned int from, unsigned int len) + size_t from, size_t len) { struct buffer_head *head = folio_buffers(folio); unsigned int bsize = head->b_size; struct buffer_head *bh; - unsigned int to = from + len; - unsigned int start, end; + size_t to = from + len; + size_t start, end; for (bh = head, start = 0; bh != head || !start; bh = bh->b_this_page, start = end) { diff --git a/fs/gfs2/aops.h b/fs/gfs2/aops.h index 09db1914425e..f08322ef41cf 100644 --- a/fs/gfs2/aops.h +++ b/fs/gfs2/aops.h @@ -10,6 +10,6 @@ extern void adjust_fs_space(struct inode *inode); extern void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio, - unsigned int from, unsigned int len); + size_t from, size_t len); #endif /* __AOPS_DOT_H__ */ |