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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2013-10-08 13:01:51 +0400
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-10-18 04:43:38 +0400
commit3d1e38073b3f33d31df1ae09aaccab3dfd9fb61e (patch)
tree904a3f4f06e07aeff9b1866686600a5e69bc31ac /fs/f2fs
parentccaaca25919a2cdeccd8fdce5f546e3ed7f6a9e9 (diff)
downloadlinux-3d1e38073b3f33d31df1ae09aaccab3dfd9fb61e.tar.xz
f2fs: fix to store and retrieve i_rdev correctly
When storing i_rdev, we should check its file type. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/inode.c49
1 files changed, 32 insertions, 17 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index c8c058024af8..7377ca3ce5c5 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -37,6 +37,31 @@ void f2fs_set_inode_flags(struct inode *inode)
inode->i_flags |= S_DIRSYNC;
}
+static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
+{
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
+ S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
+ if (ri->i_addr[0])
+ inode->i_rdev = old_decode_dev(le32_to_cpu(ri->i_addr[0]));
+ else
+ inode->i_rdev = new_decode_dev(le32_to_cpu(ri->i_addr[1]));
+ }
+}
+
+static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
+{
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
+ if (old_valid_dev(inode->i_rdev)) {
+ ri->i_addr[0] = cpu_to_le32(old_encode_dev(inode->i_rdev));
+ ri->i_addr[1] = 0;
+ } else {
+ ri->i_addr[0] = 0;
+ ri->i_addr[1] = cpu_to_le32(new_encode_dev(inode->i_rdev));
+ ri->i_addr[2] = 0;
+ }
+ }
+}
+
static int do_read_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
@@ -73,10 +98,6 @@ static int do_read_inode(struct inode *inode)
inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
inode->i_generation = le32_to_cpu(ri->i_generation);
- if (ri->i_addr[0])
- inode->i_rdev = old_decode_dev(le32_to_cpu(ri->i_addr[0]));
- else
- inode->i_rdev = new_decode_dev(le32_to_cpu(ri->i_addr[1]));
fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
@@ -84,8 +105,13 @@ static int do_read_inode(struct inode *inode)
fi->flags = 0;
fi->i_advise = ri->i_advise;
fi->i_pino = le32_to_cpu(ri->i_pino);
+
get_extent_info(&fi->ext, ri->i_ext);
get_inline_info(fi, ri);
+
+ /* get rdev by using inline_info */
+ __get_inode_rdev(inode, ri);
+
f2fs_put_page(node_page, 1);
return 0;
}
@@ -179,21 +205,10 @@ void update_inode(struct inode *inode, struct page *node_page)
ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
ri->i_generation = cpu_to_le32(inode->i_generation);
- if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
- if (old_valid_dev(inode->i_rdev)) {
- ri->i_addr[0] =
- cpu_to_le32(old_encode_dev(inode->i_rdev));
- ri->i_addr[1] = 0;
- } else {
- ri->i_addr[0] = 0;
- ri->i_addr[1] =
- cpu_to_le32(new_encode_dev(inode->i_rdev));
- ri->i_addr[2] = 0;
- }
- }
-
+ __set_inode_rdev(inode, ri);
set_cold_node(inode, node_page);
set_page_dirty(node_page);
+
clear_inode_flag(F2FS_I(inode), FI_DIRTY_INODE);
}