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path: root/fs/cifs/cifsfs.c
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-rw-r--r--fs/cifs/cifsfs.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 39f4889a036b..5f2c139143a7 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -217,8 +217,11 @@ cifs_read_super(struct super_block *sb)
rc = super_setup_bdi(sb);
if (rc)
goto out_no_root;
- /* tune readahead according to rsize */
- sb->s_bdi->ra_pages = cifs_sb->ctx->rsize / PAGE_SIZE;
+ /* tune readahead according to rsize if readahead size not set on mount */
+ if (cifs_sb->ctx->rasize)
+ sb->s_bdi->ra_pages = cifs_sb->ctx->rasize / PAGE_SIZE;
+ else
+ sb->s_bdi->ra_pages = cifs_sb->ctx->rsize / PAGE_SIZE;
sb->s_blocksize = CIFS_MAX_MSGSIZE;
sb->s_blocksize_bits = 14; /* default 2**14 = CIFS_MAX_MSGSIZE */
@@ -649,6 +652,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
seq_printf(s, ",rsize=%u", cifs_sb->ctx->rsize);
seq_printf(s, ",wsize=%u", cifs_sb->ctx->wsize);
seq_printf(s, ",bsize=%u", cifs_sb->ctx->bsize);
+ if (cifs_sb->ctx->rasize)
+ seq_printf(s, ",rasize=%u", cifs_sb->ctx->rasize);
if (tcon->ses->server->min_offload)
seq_printf(s, ",esize=%u", tcon->ses->server->min_offload);
seq_printf(s, ",echo_interval=%lu",