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 Rajendra <chandan@linux.vnet.ibm.com>
Subject: [RFC PATCH V7 07/16] Btrfs: subpagesize-blocksize: Allow mounting filesystems where sectorsize != PAGE_SIZE
Date: Mon, 22 Sep 2014 00:25:21 +0530 [thread overview]
Message-ID: <1411325730-21817-8-git-send-email-chandan@linux.vnet.ibm.com> (raw)
In-Reply-To: <1411325730-21817-1-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
next prev parent reply other threads:[~2014-09-21 18:55 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-21 18:55 [RFC PATCH V7 00/16] Btrfs: Subpagesize-blocksize: Get rid of whole page I/O Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 01/16] Btrfs: subpagesize-blocksize: Get rid of whole page reads Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 02/16] Btrfs: subpagesize-blocksize: Get rid of whole page writes Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 03/16] Btrfs: subpagesize-blocksize: __btrfs_buffered_write: Reserve/release extents aligned to block size Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 04/16] Btrfs: subpagesize-blocksize: Define extent_buffer_head Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 05/16] Btrfs: subpagesize-blocksize: Read tree blocks whose size is <PAGE_CACHE_SIZE Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 06/16] Btrfs: subpagesize-blocksize: Write only dirty extent buffers belonging to a page Chandan Rajendra
2014-09-21 18:55 ` Chandan Rajendra [this message]
2014-09-21 18:55 ` [RFC PATCH V7 08/16] Btrfs: subpagesize-blocksize: Compute and look up csums based on sectorsized blocks Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 09/16] Btrfs: subpagesize-blocksize: __extent_writepage: Write only dirty blocks of a page Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 10/16] Btrfs: subpagesize-blocksize: fallocate: Work with sectorsized units Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 11/16] Btrfs: subpagesize-blocksize: btrfs_page_mkwrite: Reserve space in " Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 12/16] Btrfs: subpagesize-blocksize: Search for all ordered extents that could span across a page Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 13/16] Btrfs: subpagesize-blocksize: Deal with partial ordered extent allocations Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 14/16] Btrfs: subpagesize-blocksize: Explicitly Track I/O status of blocks of an ordered extent Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 15/16] Btrfs: subpagesize-blocksize: Revert commit fc4adbff823f76577ece26dcb88bf6f8392dbd43 Chandan Rajendra
2014-09-21 18:55 ` [RFC PATCH V7 16/16] Btrfs: subpagesize-blocksize: Track blocks of ordered extent submitted for write I/O Chandan Rajendra
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