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54 Commits

Author SHA1 Message Date
Tao Ma
3fdcfb668f ext4: add journalled write support for inline data 
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 2012-12-10 14:05:57 -05:00
Tao Ma
f19d5870cb ext4: add normal write support for inline data 
For a normal write case (not journalled write, not delayed
allocation), we write to the inline if the file is small and convert
it to an extent based file when the write is larger than the max
inline size.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 2012-12-10 14:05:51 -05:00
Tao Ma
46c7f25454 ext4: add read support for inline data 
Let readpage and readpages handle the case when we want to read an
inlined file.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 2012-12-10 14:04:52 -05:00
Tao Ma
67cf5b09a4 ext4: add the basic function for inline data support 
Implement inline data with xattr.

Now we use "system.data" to store xattr, and the xattr will
be extended if the i_size is increased while we don't release
the space during truncate.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 2012-12-10 14:04:46 -05:00