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X-MS-Exchange-AntiSpam-MessageData: ULQnEvIiOCFMDkfqcYkLKLaMWGuzsgDSeAm90yaUxLaY+tWc8pEj/BFwLChAQJ+zZbwJjh6r3idtK9JuGCU6T5uVBJ3IrcD6UZemdn8UiiSnG4Ob0m+wsQm9jye4EnRq6pAt9hsp6gJbIXoVhZdVMxbr24BjLSyFTyZLOkajbriZ8ZYP2bOr+/32WLhf5XVcDZ3K7wJihqLlGSUI0BkngRF8/eQQ0hPeAolusodKr9RwBpzM4Kql/DYbTVAdfTVMLPuDPvzrspFb7el2rGgiQVJoSI3NZOm/LGT4tsumcU/mvjcSiwdyMXvjakXxpnezVvf96KD9gtD9l8mZF+1I/mgD66y19Z1oC0dvYrman2dKE90CbQ8DuEu69WlYEBqK7VLRC/fWequg3Maccmz2QTOrp/NBaRNOisM/HZwVOqrJcvn7wbmzezlh6hJxU/7fLJamVn1UD09udT/PGJbqA/pEhfg5dK7W6y3bcjQGTjs= X-OriginatorOrg: windriver.com X-MS-Exchange-CrossTenant-Network-Message-Id: 081596eb-caea-4e0b-5689-08d7f73f06b4 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2020 13:10:36.5245 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ddb2873-a1ad-4a18-ae4e-4644631433be X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: fINA91SLSLbkWnT0TQoowVSxlrN9bCITha693l6wqSlAiF/ZtqiL2qpmebGqfcpHSNxFmeXJ9We0MwRSfc8RmA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR11MB4372 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, After operating the /dev/loop which losetup with an image placed in tmpfs. I got the following ERROR messages: ----------------[cut here]--------------------- [ 183.110770] blk_update_request: I/O error, dev loop6, sector 524160 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.123949] blk_update_request: I/O error, dev loop6, sector 522 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.137123] blk_update_request: I/O error, dev loop6, sector 16906 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.150314] blk_update_request: I/O error, dev loop6, sector 32774 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.163551] blk_update_request: I/O error, dev loop6, sector 49674 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.176824] blk_update_request: I/O error, dev loop6, sector 65542 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.190029] blk_update_request: I/O error, dev loop6, sector 82442 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.203281] blk_update_request: I/O error, dev loop6, sector 98310 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.216531] blk_update_request: I/O error, dev loop6, sector 115210 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 [ 183.229914] blk_update_request: I/O error, dev loop6, sector 131078 op 0x9:(WRITE_ZEROES) flags 0x1000800 phys_seg 0 prio class 0 I have found the commit which introduce this issue by git bisect : commit :efcfec57[loop: fix no-unmap write-zeroes request behavior] Tips: My reproduce command: mkfs.ext2 /dev/loop6 Thanks, Yanfei