From: Chandan Rajendra <chandan@linux.vnet.ibm.com>
To: linux-btrfs@vger.kernel.org, clm@fb.com, jbacik@fb.com
Cc: Chandra Seetharaman <sekharan@us.ibm.com>,
aneesh.kumar@linux.vnet.ibm.com,
Chandan Rajendra <chandan@linux.vnet.ibm.com>
Subject: [RFC PATCH 7/8] Btrfs: subpagesize-blocksize: Allow mounting filesystems where sectorsize != PAGE_SIZE
Date: Wed, 21 May 2014 15:11:17 +0530 [thread overview]
Message-ID: <1400665278-4091-8-git-send-email-chandan@linux.vnet.ibm.com> (raw)
In-Reply-To: <1400665278-4091-1-git-send-email-chandan@linux.vnet.ibm.com>
From: Chandra Seetharaman <sekharan@us.ibm.com>
This patch allows mounting filesystems with blocksize smaller than the
PAGE_SIZE.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
---
fs/btrfs/disk-io.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 28a45f6..3bb7072 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2599,12 +2599,6 @@ int open_ctree(struct super_block *sb,
goto fail_sb_buffer;
}
- if (sectorsize != PAGE_SIZE) {
- printk(KERN_WARNING "BTRFS: Incompatible sector size(%lu) "
- "found on %s\n", (unsigned long)sectorsize, sb->s_id);
- goto fail_sb_buffer;
- }
-
mutex_lock(&fs_info->chunk_mutex);
ret = btrfs_read_sys_array(tree_root);
mutex_unlock(&fs_info->chunk_mutex);
--
1.8.3.1
next prev parent reply other threads:[~2014-05-21 9:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-21 9:41 [RFC PATCH 0/8] Btrfs: Subpagesize-blocksize: Get rid of whole page I/O Chandan Rajendra
2014-05-21 9:41 ` [RFC PATCH 1/8] Btrfs: subpagesize-blocksize: Get rid of whole page reads Chandan Rajendra
2014-05-21 9:41 ` [RFC PATCH 2/8] Btrfs: subpagesize-blocksize: Get rid of whole page writes Chandan Rajendra
2014-05-21 9:41 ` [RFC PATCH 3/8] Btrfs: subpagesize-blocksize: __btrfs_buffered_write: Reserve/release extents aligned to block size Chandan Rajendra
2014-05-21 9:41 ` [RFC PATCH 4/8] Btrfs: subpagesize-blocksize: Define extent_buffer_head Chandan Rajendra
2014-05-21 9:41 ` [RFC PATCH 5/8] Btrfs: subpagesize-blocksize: Read tree blocks whose size is <PAGE_CACHE_SIZE Chandan Rajendra
2014-05-21 9:41 ` [RFC PATCH 6/8] Btrfs: subpagesize-blocksize: Write only dirty extent buffers belonging to a page Chandan Rajendra
2014-05-21 9:41 ` Chandan Rajendra [this message]
2014-05-21 9:41 ` [RFC PATCH 8/8] Btrfs: subpagesize-blocksize: Compute and look up csums based on sectorsized blocks Chandan Rajendra
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