Keep in line with the other Linux file system implementations since page_cache_sync_readahead supports NULL file pointer, and thus we can readahead data by f2fs itself without file opening (something like the btrfs behavior).
Signed-off-by: Gao Xiang <[email protected]> --- fs/f2fs/data.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 95f30f0..afa12f1 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1333,9 +1333,11 @@ static int f2fs_read_data_pages(struct file *file, struct address_space *mapping, struct list_head *pages, unsigned nr_pages) { - struct inode *inode = file->f_mapping->host; + struct inode *inode = mapping->host; struct page *page = list_last_entry(pages, struct page, lru); + if (likely(file != NULL)) + BUG_ON(file->f_mapping != mapping); trace_f2fs_readpages(inode, page, nr_pages); /* If the file has inline data, skip readpages */ -- 2.1.4 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
