This is the userspace side of Jiaying's EOFBLOCKS patch, I think. With Aneesh's patches for .33, Jiaying's patch, and this one, xfstests 013/fsstress (even with direct IO enabled) has held up through many runs. Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> --- diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c index 09ff1d0..0a2c6cb 100644 --- a/e2fsck/pass1.c +++ b/e2fsck/pass1.c @@ -1947,7 +1947,8 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx, /* allow allocated blocks to end of PAGE_SIZE */ (size < (__u64)pb.last_block * fs->blocksize) && (pb.last_block / blkpg * blkpg != pb.last_block || - size < (__u64)(pb.last_block & ~(blkpg-1)) *fs->blocksize)) + size < (__u64)(pb.last_block & ~(blkpg-1)) *fs->blocksize) && + !(inode->i_flags & EXT4_EOFBLOCKS_FL)) bad_size = 3; else if (!(extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) && size > ext2_max_sizes[fs->super->s_log_block_size]) diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h index 114b001..6e31c0d 100644 --- a/lib/ext2fs/ext2_fs.h +++ b/lib/ext2fs/ext2_fs.h @@ -276,10 +276,11 @@ struct ext2_dx_countlimit { #define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ #define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */ #define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */ +#define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */ #define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ -#define EXT2_FL_USER_VISIBLE 0x000BDFFF /* User visible flags */ -#define EXT2_FL_USER_MODIFIABLE 0x000080FF /* User modifiable flags */ +#define EXT2_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */ +#define EXT2_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */ /* * ioctl commands -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html