search for: cont_prepare_write

...crease / /ip_mmu_private in ocfs2_get_block() because it's a read./ /4) a write from 'dd' matches the page that the read created. because the buffer / /heads are already mapped, it doesn't call ocfs2_get_block. the ip_mmu_private / /keeps unchanged since last write./ /5) in cont_prepare_write() it dead loops since bytes(ip_mmu_private) is not / /increased in last prepare write./ BUG is described in s://bug.oraclecorp.com/pls/bug/webbug_print.show?c_rptno=7183894. solution: /1) moves the clearing of page cache truncate_inode_pages() from ocfs2_truncate_file() to/ /ocfs2_set_inod...

...7f 00000045 00000000 00000200 0000050c c28b7e8c 00000000 c013251e c2099900 00000000 c2e7d7c0 00000001 c2099900 00000000 0000050c 00000000 c28b7f54 00000513 00000000 c28d5000 c2e7d7c0 00000200 00000000 Call Trace: [tvecs+35755/73400] [tvecs+36079/73400] [__block_prepare_write+238/544] [cont_prepare_write+473/736] [fat_get_block+0/288] [fat_prepare_write+38/48] [fat_get_block+0/288] [generic_file_write+929/1344] [default_fat_file_write+34/96] [fat_file_write+45/64] [sys_write+214/256] [system_call+52/64] [startup_32+43/310] Code: 0f 0b 83 c4 0c b8 fb ff ff ff 5b 5e 5f 5d 83 c4 04 c3 8b 86 [e...