linux-ext4 - [PATCH 2/5] ext4: Rename fiemap_check_ranges() to make it ext4 specific

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Date:   Thu, 23 Apr 2020 16:17:54 +0530
From:   Ritesh Harjani <riteshh@...ux.ibm.com>
To:     linux-ext4@...r.kernel.org
Cc:     jack@...e.cz, tytso@....edu, adilger@...ger.ca,
        darrick.wong@...cle.com, hch@...radead.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        Ritesh Harjani <riteshh@...ux.ibm.com>,
        Murphy Zhou <jencce.kernel@...il.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        Amir Goldstein <amir73il@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-unionfs@...r.kernel.org
Subject: [PATCH 2/5] ext4: Rename fiemap_check_ranges() to make it ext4 specific

This renames the fiemap_check_ranges() copy of function
within ext4/ioctl.c to become ext4_fiemap_check_ranges().
This is required so that we can finally get rid of this
duplicate version.
Since overlayfs anyways need to use this in it's
ovl_fiemap() function, so later patches make it
available for use by others via EXPORT_SYMBOL.

Signed-off-by: Ritesh Harjani <riteshh@...ux.ibm.com>
---
 fs/ext4/ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index bfc1281fc4cb..76a2b5200ba3 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -734,7 +734,7 @@ static void ext4_fill_fsxattr(struct inode *inode, struct fsxattr *fa)
 }
 
 /* copied from fs/ioctl.c */
-static int fiemap_check_ranges(struct super_block *sb,
+static int ext4_fiemap_check_ranges(struct super_block *sb,
 			       u64 start, u64 len, u64 *new_len)
 {
 	u64 maxbytes = (u64) sb->s_maxbytes;
@@ -775,7 +775,7 @@ static int ext4_ioctl_get_es_cache(struct file *filp, unsigned long arg)
 	if (fiemap.fm_extent_count > FIEMAP_MAX_EXTENTS)
 		return -EINVAL;
 
-	error = fiemap_check_ranges(sb, fiemap.fm_start, fiemap.fm_length,
+	error = ext4_fiemap_check_ranges(sb, fiemap.fm_start, fiemap.fm_length,
 				    &len);
 	if (error)
 		return error;
-- 
2.21.0