From 53c9c5c0e32c69f9df1822e47671c13e3402c82f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 24 Aug 2008 07:29:52 -0400 Subject: [PATCH] prepare vfs_readdir() callers to returning filldir result It's not the final state, but it allows moving ->readdir() instances to passing filldir return value to caller of vfs_readdir(). Signed-off-by: Al Viro --- fs/nfsd/vfs.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'fs/nfsd') diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 93b22f661d9..e3e37f7c847 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1831,6 +1831,7 @@ struct buffered_dirent { struct readdir_data { char *dirent; size_t used; + int full; }; static int nfsd_buffered_filldir(void *__buf, const char *name, int namlen, @@ -1841,8 +1842,10 @@ static int nfsd_buffered_filldir(void *__buf, const char *name, int namlen, unsigned int reclen; reclen = ALIGN(sizeof(struct buffered_dirent) + namlen, sizeof(u64)); - if (buf->used + reclen > PAGE_SIZE) + if (buf->used + reclen > PAGE_SIZE) { + buf->full = 1; return -EINVAL; + } de->namlen = namlen; de->offset = offset; @@ -1874,9 +1877,13 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func, unsigned int reclen; buf.used = 0; + buf.full = 0; host_err = vfs_readdir(file, nfsd_buffered_filldir, &buf); - if (host_err) + if (buf.full) + host_err = 0; + + if (host_err < 0) break; size = buf.used; -- cgit v1.2.3