All of lore.kernel.org
 help / color / mirror / Atom feed
From: Chandan Rajendra <chandan@linux.vnet.ibm.com>
To: clm@fb.com, jbacik@fb.com, bo.li.liu@oracle.com, dsterba@suse.cz
Cc: Chandra Seetharaman <sekharan@us.ibm.com>,
	aneesh.kumar@linux.vnet.ibm.com, linux-btrfs@vger.kernel.org,
	chandan@mykolab.com, steve.capper@linaro.org,
	Chandan Rajendra <chandan@linux.vnet.ibm.com>
Subject: [RFC PATCH V9 07/17] Btrfs: subpagesize-blocksize: Allow mounting filesystems where sectorsize != PAGE_SIZE
Date: Fri, 14 Nov 2014 21:08:09 +0530	[thread overview]
Message-ID: <1415979499-15821-8-git-send-email-chandan@linux.vnet.ibm.com> (raw)
In-Reply-To: <1415979499-15821-1-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 6c6e8bb..2f3caaf 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2634,12 +2634,6 @@ 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);
-- 
2.1.0


  parent reply	other threads:[~2014-11-14 15:39 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-14 15:38 [RFC PATCH V9 00/17] Btrfs: Subpagesize-blocksize: Get rid of whole page I/O Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 01/17] Btrfs: subpagesize-blocksize: Get rid of whole page reads Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 02/17] Btrfs: subpagesize-blocksize: Get rid of whole page writes Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 03/17] Btrfs: subpagesize-blocksize: __btrfs_buffered_write: Reserve/release extents aligned to block size Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 04/17] Btrfs: subpagesize-blocksize: Define extent_buffer_head Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 05/17] Btrfs: subpagesize-blocksize: Read tree blocks whose size is <PAGE_CACHE_SIZE Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 06/17] Btrfs: subpagesize-blocksize: Write only dirty extent buffers belonging to a page Chandan Rajendra
2014-11-14 15:38 ` Chandan Rajendra [this message]
2014-11-14 15:38 ` [RFC PATCH V9 08/17] Btrfs: subpagesize-blocksize: Compute and look up csums based on sectorsized blocks Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 09/17] Btrfs: subpagesize-blocksize: __extent_writepage: Write only dirty blocks of a page Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 10/17] Btrfs: subpagesize-blocksize: fallocate: Work with sectorsized units Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 11/17] Btrfs: subpagesize-blocksize: btrfs_page_mkwrite: Reserve space in " Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 12/17] Btrfs: subpagesize-blocksize: Search for all ordered extents that could span across a page Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 13/17] Btrfs: subpagesize-blocksize: Deal with partial ordered extent allocations Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 14/17] Btrfs: subpagesize-blocksize: Explicitly Track I/O status of blocks of an ordered extent Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 15/17] Btrfs: subpagesize-blocksize: Revert commit fc4adbff823f76577ece26dcb88bf6f8392dbd43 Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 16/17] Btrfs: subpagesize-blocksize: Track blocks of ordered extent submitted for write I/O Chandan Rajendra
2014-11-14 15:38 ` [RFC PATCH V9 17/17] Btrfs: subpagesize-blocksize: Prevent writes to an extent buffer when PG_writeback flag is set Chandan Rajendra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1415979499-15821-8-git-send-email-chandan@linux.vnet.ibm.com \
    --to=chandan@linux.vnet.ibm.com \
    --cc=aneesh.kumar@linux.vnet.ibm.com \
    --cc=bo.li.liu@oracle.com \
    --cc=chandan@mykolab.com \
    --cc=clm@fb.com \
    --cc=dsterba@suse.cz \
    --cc=jbacik@fb.com \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=sekharan@us.ibm.com \
    --cc=steve.capper@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.