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ubifs: Fix synced_i_size calculation for xattr inodes
commit5996559320
upstream. In ubifs_jnl_update() we sync parent and child inodes to the flash, in case of xattrs, the parent inode (AKA host inode) has a non-zero data_len. Therefore we need to adjust synced_i_size too. This issue was reported by ubifs self tests unter a xattr related work load. UBIFS error (ubi0:0 pid 1896): dbg_check_synced_i_size: ui_size is 4, synced_i_size is 0, but inode is clean UBIFS error (ubi0:0 pid 1896): dbg_check_synced_i_size: i_ino 65, i_mode 0x81a4, i_size 4 Cc: <stable@vger.kernel.org> Fixes:1e51764a3c
("UBIFS: add new flash file system") Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -661,6 +661,11 @@ int ubifs_jnl_update(struct ubifs_info *c, const struct inode *dir,
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spin_lock(&ui->ui_lock);
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ui->synced_i_size = ui->ui_size;
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spin_unlock(&ui->ui_lock);
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if (xent) {
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spin_lock(&host_ui->ui_lock);
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host_ui->synced_i_size = host_ui->ui_size;
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spin_unlock(&host_ui->ui_lock);
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}
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mark_inode_clean(c, ui);
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mark_inode_clean(c, host_ui);
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return 0;
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