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2a5d574eca
When layered on XFS the following warning will be emitted under CentOS7 when entering vfs_fsync() with PF_FSTRANS already set. This is not an issue for other stock Linux file systems and the warning was removed for newer kernels. However, to avoid triggering this error PF_FSTRANS is cleared and then reset in vn_fsync(). WARNING: at fs/xfs/xfs_aops.c:968 xfs_vm_writepage+0x5ab/0x5c0 Call Trace: [<ffffffff8105dee1>] warn_slowpath_common+0x61/0x80 [<ffffffffa01706fb>] xfs_vm_writepage+0x5ab/0x5c0 [xfs] [<ffffffff8114b833>] __writepage+0x13/0x50 [<ffffffff8114c341>] write_cache_pages+0x251/0x4d0 [<ffffffff8114c60d>] generic_writepages+0x4d/0x80 [<ffffffffa016fc93>] xfs_vm_writepages+0x43/0x50 [xfs] [<ffffffff8114d68e>] do_writepages+0x1e/0x40 [<ffffffff81142bd5>] __filemap_fdatawrite_range+0x65/0x80 [<ffffffff81142cea>] filemap_write_and_wait_range+0x2a/0x70 [<ffffffffa017a5b6>] xfs_file_fsync+0x66/0x1f0 [xfs] [<ffffffff811df54b>] vfs_fsync+0x2b/0x40 [<ffffffffa03a88bd>] vn_fsync+0x2d/0x90 [spl] [<ffffffffa0520c33>] spa_config_sync+0x503/0x680 [zfs] [<ffffffffa0520ee4>] spa_config_update+0x134/0x170 [zfs] [<ffffffffa0520eba>] spa_config_update+0x10a/0x170 [zfs] [<ffffffffa051c54f>] spa_import+0x5bf/0x7b0 [zfs] [<ffffffffa055c754>] zfs_ioc_pool_import+0x104/0x150 [zfs] [<ffffffffa056294f>] zfsdev_ioctl+0x4cf/0x5c0 [zfs] [<ffffffffa0562480>] ? pool_status_check+0xf0/0xf0 [zfs] [<ffffffff811c2c85>] do_vfs_ioctl+0x2e5/0x4c0 [<ffffffff811c2f01>] SyS_ioctl+0xa1/0xc0 [<ffffffff815f3219>] system_call_fastpath+0x16/0x1b Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> |
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| .. | ||
| Makefile.in | ||
| spl-atomic.c | ||
| spl-condvar.c | ||
| spl-cred.c | ||
| spl-err.c | ||
| spl-generic.c | ||
| spl-kmem-cache.c | ||
| spl-kmem.c | ||
| spl-kobj.c | ||
| spl-kstat.c | ||
| spl-mutex.c | ||
| spl-proc.c | ||
| spl-rwlock.c | ||
| spl-taskq.c | ||
| spl-thread.c | ||
| spl-tsd.c | ||
| spl-vmem.c | ||
| spl-vnode.c | ||
| spl-xdr.c | ||
| spl-zlib.c | ||