There is a FIEMAP_EXTENT_INLINE_DATA, pointed out by Marc.
Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
---
fs/f2fs/data.c | 6 ++++++
fs/f2fs/f2fs.h | 2 ++
fs/f2fs/inline.c | 36 ++++++++++++++++++++++++++++++++++++
3 files changed, 44 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index b052e7c..972eab7 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -771,6 +771,12 @@ int f2fs_fiemap(struct inode *inode, struct
fiemap_extent_info *fieinfo,
if (ret)
return ret;
+ if (f2fs_has_inline_data(inode)) {
+ ret = f2fs_inline_data_fiemap(inode, fieinfo, start, len);
+ if (ret != -EAGAIN)
+ return ret;
+ }
+
mutex_lock(&inode->i_mutex);
if (len >= isize) {
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index c3443da..9db5500 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2054,6 +2054,8 @@ void f2fs_delete_inline_entry(struct f2fs_dir_entry *,
struct page *,
bool f2fs_empty_inline_dir(struct inode *);
int f2fs_read_inline_dir(struct file *, struct dir_context *,
struct f2fs_str *);
+int f2fs_inline_data_fiemap(struct inode *,
+ struct fiemap_extent_info *, __u64, __u64);
/*
* shrinker.c
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 3b18e23..bda7126 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -12,6 +12,7 @@
#include <linux/f2fs_fs.h>
#include "f2fs.h"
+#include "node.h"
bool f2fs_may_inline_data(struct inode *inode)
{
@@ -570,3 +571,38 @@ int f2fs_read_inline_dir(struct file *file, struct
dir_context *ctx,
f2fs_put_page(ipage, 1);
return 0;
}
+
+int f2fs_inline_data_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo, __u64 start, __u64 len)
+{
+ __u64 byteaddr, ilen;
+ __u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED |
+ FIEMAP_EXTENT_LAST;
+ struct node_info ni;
+ struct page *ipage;
+ int err = 0;
+
+ ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
+ if (IS_ERR(ipage))
+ return PTR_ERR(ipage);
+
+ if (!f2fs_has_inline_data(inode)) {
+ err = -EAGAIN;
+ goto out;
+ }
+
+ ilen = min_t(size_t, MAX_INLINE_DATA, i_size_read(inode));
+ if (start >= ilen)
+ goto out;
+ if (start + len < ilen)
+ ilen = start + len;
+ ilen -= start;
+
+ get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni);
+ byteaddr = (__u64)ni.blk_addr << inode->i_sb->s_blocksize_bits;
+ byteaddr += (char *)inline_data_addr(ipage) - (char *)F2FS_INODE(ipage);
+ err = fiemap_fill_next_extent(fieinfo, start, byteaddr, ilen, flags);
+out:
+ f2fs_put_page(ipage, 1);
+ return err;
+}
--
2.1.1
------------------------------------------------------------------------------
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