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ext4: Avoid corruption of directories with hash tree indexes

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While directories can be read using the old linear scan method, adding a
new file would require updating the index tree (alternatively, the whole
tree could be removed).

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
This commit is contained in:
Stefan Brüns
2016-09-06 04:36:45 +02:00
committed by Tom Rini
parent a321abd54f
commit 10a7a1b8ba
2 changed files with 6 additions and 0 deletions
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include/ext4fs.h
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@@ -28,6 +28,7 @@
#define __EXT4__
#include <ext_common.h>
#define EXT4_INDEX_FL 0x00001000 /* Inode uses hash tree index */
#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
#define EXT4_EXT_MAGIC 0xf30a
#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010