From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Wed, 23 Feb 2011 21:57:50 +0000 (-0800)
Subject: Increase fragment size to block size
X-Git-Tag: zfs-0.6.0-rc2~22
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=05ff35c602827a0f03659ec974c67b3fb5bf1c0b;p=zfs

Increase fragment size to block size

The underlying storage pool actually uses multiple block
size.  Under Solaris frsize (fragment size) is reported as
the smallest block size we support, and bsize (block size)
as the filesystem's maximum block size.  Unfortunately,
under Linux the fragment size and block size are often used
interchangeably.  Thus we are forced to report both of them
as the filesystem's maximum block size.

Closes #112
---

diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c
index bb2fdb029..028638d5c 100644
--- a/module/zfs/zfs_vfsops.c
+++ b/module/zfs/zfs_vfsops.c
@@ -997,11 +997,15 @@ zfs_statvfs(struct dentry *dentry, struct kstatfs *statp)
 	    &refdbytes, &availbytes, &usedobjs, &availobjs);
 
 	/*
-	 * The underlying storage pool actually uses multiple block sizes.
-	 * We report the fragsize as the smallest block size we support,
-	 * and we report our blocksize as the filesystem's maximum blocksize.
+	 * The underlying storage pool actually uses multiple block
+	 * size.  Under Solaris frsize (fragment size) is reported as
+	 * the smallest block size we support, and bsize (block size)
+	 * as the filesystem's maximum block size.  Unfortunately,
+	 * under Linux the fragment size and block size are often used
+	 * interchangeably.  Thus we are forced to report both of them
+	 * as the filesystem's maximum block size.
 	 */
-	statp->f_frsize = 1UL << SPA_MINBLOCKSHIFT;
+	statp->f_frsize = zsb->z_max_blksz;
 	statp->f_bsize = zsb->z_max_blksz;
 	bshift = fls(statp->f_bsize) - 1;