On Wed, 2009-09-09 at 10:02 -0500, Eric Sandeen wrote: > Jiri Kosina wrote: > > [ adding relevant CCs ] > > > > On Wed, 9 Sep 2009, Pavol Cvengros wrote: > > > >> Hi, > >> > >> can somebody who is aware of ext4 and quota have a look on this one? > >> > > This was also just reported at: > > https://bugzilla.redhat.com/show_bug.cgi?id=521914 > Checked the bugzilla, it seems the fs enabled quota, but no user quota limit is specified. Is this the case with the ext4 quota+ nfs issue too? If no user quota is specified, then IS_NOQUOTA() should avoid doing quota reservation/claim at all. Not sure what is missing... I will check if I could reproduce this on local filesystem... Thanks, Mingming > -Eric > > >> Thanks, > >> > >> P. > >> > >> On 8. 9. 2009 7:04, Pavol Cvengros wrote: > >>> Hello, > >>> > >>> recently we have build and started to use raid storage with formatted > >>> capacity of 4.5T (ext4 formatted, default params). > >>> FS has quota turned on and is exported via NFS to nodes. > >>> If we turn qouta on on this FS and are trying to use it over NFS we get the > >>> following: > >>> > >>> ------------[ cut here ]------------ > >>> WARNING: at fs/quota/dquot.c:964 dquot_claim_space+0x181/0x190() > >>> Hardware name: S3210SH > >>> Modules linked in: nfs fscache nfsd lockd auth_rpcgss exportfs sunrpc > >>> coretemp hwmon ipmi_si ipmi_msghandler ehci_hcd sr_mod cdrom uhci_hcd floppy > >>> usbcore i2c_i801 i2c_core processor 3w_9xxx button thermal > >>> Pid: 268, comm: pdflush Tainted: G W 2.6.30-gentoo-r3_host #1 > >>> Call Trace: > >>> [<ffffffff803151e1>] ? dquot_claim_space+0x181/0x190 > >>> [<ffffffff80245c59>] ? warn_slowpath_common+0x89/0x100 > >>> [<ffffffff803151e1>] ? dquot_claim_space+0x181/0x190 > >>> [<ffffffff80367e83>] ? ext4_mb_mark_diskspace_used+0x423/0x440 > >>> [<ffffffff8036c05f>] ? ext4_mb_new_blocks+0x2cf/0x460 > >>> [<ffffffff80360a17>] ? ext4_ext_find_extent+0x307/0x330 > >>> [<ffffffff80362508>] ? ext4_ext_get_blocks+0x578/0xfc0 > >>> [<ffffffff8028e828>] ? __pagevec_free+0x48/0x70 > >>> [<ffffffff803a1c65>] ? blk_rq_bio_prep+0x35/0x130 > >>> [<ffffffff8034d310>] ? ext4_get_blocks_wrap+0x210/0x380 > >>> [<ffffffff8034d8d8>] ? mpage_da_map_blocks+0xe8/0x750 > >>> [<ffffffff80292cee>] ? pagevec_lookup_tag+0x2e/0x50 > >>> [<ffffffff8029084c>] ? write_cache_pages+0x11c/0x400 > >>> [<ffffffff8034e500>] ? __mpage_da_writepage+0x0/0x190 > >>> [<ffffffff8034e269>] ? ext4_da_writepages+0x329/0x4b0 > >>> [<ffffffff80290bd2>] ? do_writepages+0x32/0x70 > >>> [<ffffffff802e4140>] ? __writeback_single_inode+0xb0/0x490 > >>> [<ffffffff8023c753>] ? dequeue_entity+0x23/0x1c0 > >>> [<ffffffff802e4b16>] ? generic_sync_sb_inodes+0x316/0x4f0 > >>> [<ffffffff802e4f4e>] ? writeback_inodes+0x5e/0x110 > >>> [<ffffffff80290e56>] ? wb_kupdate+0xc6/0x160 > >>> [<ffffffff80292110>] ? pdflush+0x120/0x230 > >>> [<ffffffff80290d90>] ? wb_kupdate+0x0/0x160 > >>> [<ffffffff80291ff0>] ? pdflush+0x0/0x230 > >>> [<ffffffff80261154>] ? kthread+0x64/0xc0 > >>> [<ffffffff8020d13a>] ? child_rip+0xa/0x20 > >>> [<ffffffff802610f0>] ? kthread+0x0/0xc0 > >>> [<ffffffff8020d130>] ? child_rip+0x0/0x20 > >>> ---[ end trace cb54e6523e9ab60d ]--- > >>> > >>> fstab entry: > >>> /dev/sdb1 /mnt/storage ext4 > >>> noatime,nodiratime,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0 > >>> > >>> qith quotaoff on tihs FS, warnings stop. > >>> > >>> Question is if it's safe to use quotas with this problem (warning) or not. > >>> Can't afford data damage. > >>> > >>> Thanks, > >>> > >>> Pavol Cvengros > > > -- > 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 -- 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
