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authorJan Kara <jack@suse.cz>2007-10-21 16:41:40 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-22 08:13:18 -0700
commit89910cccb8fec0c1140d33a743e72a712efd4f05 (patch)
tree8165b7cf7039d02b2276fbb3e2aba0e1df7a2ca8 /include/linux/ext2_fs.h
parent321bcf92163038e2b96fd3bf9bc29f755c81d9ef (diff)
downloadvexpress-lsk-89910cccb8fec0c1140d33a743e72a712efd4f05.tar.gz
ext2: avoid rec_len overflow with 64KB block size
With 64KB blocksize, a directory entry can have size 64KB which does not fit into 16 bits we have for entry length. So we store 0xffff instead and convert the value when read from / written to disk. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Jan Kara <jack@suse.cz> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/ext2_fs.h')
-rw-r--r--include/linux/ext2_fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index c77c3bbfe4b..0f6c86c634f 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -561,6 +561,7 @@ enum {
#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1)
#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \
~EXT2_DIR_ROUND)
+#define EXT2_MAX_REC_LEN ((1<<16)-1)
static inline ext2_fsblk_t
ext2_group_first_block_no(struct super_block *sb, unsigned long group_no)